Updated on 2024/03/16

写真a

 
Alwashali Hamood
 
Organization
Faculty of Environmental, Life, Natural Science and Technology Associate Professor
Position
Associate Professor
Contact information
メールアドレス
External link

Degree

  • Doctor ( Tohoku University )

Research Interests

  • Masonry infilled RC buildings

  • Buildings structural design

  • Seismic evaluation and seismic retrofit

  • Reinforced concrete

Research Areas

  • Social Infrastructure (Civil Engineering, Architecture, Disaster Prevention) / Building structures and materials

Education

  • Tohoku University   工学研究科 都市建築学   博士(工学)

    2015.10 - 2018.9

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  • Tohoku University   工学研究科 都市建築学   修士(工学)

    2011.4 - 2013.3

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  • Mutah University   Civil Engineering Department   Bachelor degree

    2002.9 - 2007.7

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Research History

  • Okayama University   The Graduate School of Environmental and Life Science   Associate Professor

    2022.4

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  • Tohoku University   工学研究科都市建築専攻   Assistant Professor

    2018.10 - 2022.3

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  • Sanaa company for engineering and construction   Engineer

    2013.4 - 2015.8

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  • Sanaa company for engineering and construction

    2007.8 - 2009.9

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Professional Memberships

Committee Memberships

  • 日本建築学会   日本建築学会中国支部 構造委員会、委員  

    2023.4   

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  • Okayama University Green Innovation Center (GIC)   Member, Wood Construction and Forestry Division  

    2022.4   

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  • Architectural Institute of Japan   Member of Steering Committee English version of the Japanese Guidelines of Reinforced Concrete Buildings, on Architectural Institute of Japan  

    2020.4   

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    Committee type:Academic society

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  •   東北大学, 原子炉廃止措置基盤研究センター, 研究員  

    2019.4 - 2022.3   

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Papers

  • Lateral strength evaluation of ferrocement strengthened masonry infilled RC frame based on experimentally observed failure mechanisms Reviewed

    Debasish Sen, Hamood Alwashali, Md Shafiul Islam, Matsutaro Seki, Masaki Maeda

    Structures   58 ( 105428 )   2023.12

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1016/j.istruc.2023.105428

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  • Initial stiffness degradation and its effect on seismic capacity of shear wall with high reinforcement volume: An experimental study Reviewed

    Naoyuki Aizawa, Yui Nemoto, Yoshihiro Ogata, Kiyoshi Hirotani, Masato Sakurai, Hamood Alwashali, Masaki Maeda, Osamu Sugawara

    Nuclear Engineering and Design Journal   413   112496 - 112496   2023.11

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    Publishing type:Research paper (scientific journal)   Publisher:Elsevier BV  

    DOI: 10.1016/j.nucengdes.2023.112496

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  • “ESTIMATING SEISMIC DEMAND USING SENSOR DATA: EVALUATION OF ELASTIC SPECTRA IN THE LINEAR RANGE OF RESPONSE” Reviewed

    Jonathan MONICAL, Benjamin BRITO, Hamood ALWASHALI, Masaki MAEDA

    Annual Proceedings of the Japan Concrete Institute (JCI)   45 ( 2 )   199 - 204   2023.7

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    Language:English  

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  • STUDY ON FAILURE MECHANISMS OF HYBRID STRUCTURE OF REINFORCED CONCRETE FRAME WITH CLT INFILL

    Hamood Alwashali, Ahmad Ghazi Aljuhmani

    World Conference on Timber Engineering (WCTE 2023)   2023.6

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    Authorship:Lead author, Corresponding author   Publishing type:Research paper (international conference proceedings)   Publisher:World Conference on Timber Engineering (WCTE 2023)  

    DOI: 10.52202/069179-0431

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  • OPTIMIZATION OF NUMBER AND LOCATION OF ACCELEROMETERS FOR MONITORING STRUCTURES Reviewed

    Zhuoran YI, Hamood ALWASHALI, Benjamin BRITO, Masaki MAEDA

    Proceeding of Japan Institute of Concrete, JCI   4 ( 2 )   211 - 216   2022.7

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    Publishing type:Research paper (conference, symposium, etc.)  

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  • STUDY ON THE IN-PLANE FAILURE MECHANISMS AND STRENGHT EVALUATION OF RC FRAMES WITH CLT INFILL Reviewed

    Ahmad Ghazi ALJUHMANI, Hamood ALWASHALI, Masaki MAEDA, Matsutaro Seki

    Proceeding of Japan Institute of Concrete, JCI   44 ( 2 )   241 - 246   2022.7

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    Publishing type:Research paper (conference, symposium, etc.)  

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  • SEISMIC RESPONSE REINFORCED CONCRETE WALLS WITH OPENING: EXPERIMENT AND STRUT-AND-TIE METHOD Reviewed

    Z.Tafheem, H. Alwashali, M. Seki, M.Maeda,

    Proceeding of Japan Institute of Concrete, JCI   44 ( 2 )   529 - 534   2022.7

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    Publishing type:Research paper (conference, symposium, etc.)  

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  • Experimental study of the influence of opening size and additional reinforcement around opening on seismic performance of reinforced concrete walls Reviewed

    Zasiah Tafheem, Hamood Alwashali, Masaki Maeda, Matsutaro Seki

    Asian Journal of Civil Engineering   23 ( 4 )   551 - 572   2022.6

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    Publishing type:Research paper (scientific journal)   Publisher:Springer Science and Business Media LLC  

    DOI: 10.1007/s42107-022-00441-z

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    Other Link: https://link.springer.com/article/10.1007/s42107-022-00441-z/fulltext.html

  • Experimental investigation on the effect of openings on the in-plane shear strength and stiffness of cross-laminated timber panels Reviewed

    Ahmad Ghazi Aljuhmani, Hamood Alwashali, Ayaka Ogasawara, Eito Atsuzawa, Masaki Maeda, Matsutaro Seki

    Engineering Structures   254   113786 - 113786   2022.3

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    Authorship:Corresponding author   Publishing type:Research paper (scientific journal)   Publisher:Elsevier BV  

    DOI: 10.1016/j.engstruct.2021.113786

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  • Residual seismic performance of damaged reinforced concrete walls Reviewed

    Hamood Alwashali, Masaki Maeda, Yoshihiro Ogata, Naoyuki Aizawa, Kazuya Tsurugai

    Engineering Structures   243   112673 - 112673   2021.9

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    Authorship:Lead author, Corresponding author   Publishing type:Research paper (scientific journal)   Publisher:Elsevier BV  

    DOI: 10.1016/j.engstruct.2021.112673

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  • Investigation of the influence of opening parameters on the seismic capacity of reinforced concrete walls Reviewed

    Tafheem, Z, Alwashali, H, Seki, M, Maeda, M

    Proceeding of Japan Institute of Concrete, JCI   43 ( 2 )   193 - 198   2021.7

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    Language:English  

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  • Seismic damage probability of existing RC buildings based on past earthquake damage database Reviewed

    Islam, S, Alwashali, H, MAEDA M, SEKI, M

    Proceeding of Japan Institute of Concrete, JCI   43 ( 2 )   661 - 666   2021.7

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    Language:English   Publishing type:Research paper (conference, symposium, etc.)  

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  • IN-PLANE SEISMIC PERFORMANCE OF MASONRY INFILLED RC FRAME WITH AND WITHOUT FERRO-CEMENT OVERLAY

    F. Zahura, D. Sen, R. Sabrin, A. Das, M. Uddin, Z. Tafheem, F. Khanam, H. Alwashali, M. Maeda

    17th World Conference on Earthquake Engineering, 17WCEE   2020.9

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    Authorship:Last author   Language:English   Publishing type:Research paper (international conference proceedings)  

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  • REVIEW ON THE EFFECT OF OPENINGS ON THE SEISMIC RESPONSE OF WALL PANELS

    Z. Tafheem, H. Al-Washali, A. Shegay, D. Sen, M.S. Islam, M. Maeda, M. Seki

    17th World Conference on Earthquake Engineering, 17WCEE   2020.9

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    Authorship:Last author   Language:English   Publishing type:Research paper (international conference proceedings)  

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  • Experimental Study on Residual Seismic Capacity of RC Squat Walls

    Hamood Alwashali, J. Sun, A.G. Aljuhmani, A.V. Shegay, M. Maeda, Y. Ogata, N. Aizawa

    17th World Conference on Earthquake Engineering, 17WCEE   2020.9

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    Authorship:Lead author   Language:English   Publishing type:Research paper (international conference proceedings)  

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  • Advantages and limitations of retrofitting masonry infilled RC Frames by Ferro-cement based on experimental observations

    Hamood Alwashali, Debasish Sen, Masaki Maeda, Matsutaro Seki

    Conference: 17th World Conference on Earthquake Engineering   2020.9

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    Authorship:Lead author  

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  • A POTENTIAL VULNERABILITY IN HIGH-STRENGTH REINFORCED CONCRETE SHEAR WALL RETROFITS

    L. Laughery, T. Ichinose, M. Maeda, H. Alwashali, H. Takahashi, M. Hanzawa, T. Okada, A. Ide, K. Sonn

    The 17th World Conference on Earthquake Engineering   2020.9

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    Authorship:Last author   Language:English   Publishing type:Research paper (international conference proceedings)  

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  • SEISMIC CAPACITY OF RC FRAME BUILDINGS WITH MASONRY INFILL DAMAGED BY PAST EARTHQUAKES Invited Reviewed

    Hamood Alwashali, Md. Shafiul Islam, Debasish Sen, Jonathan Monical, Masaki Maeda

    Bulletin of the New Zealand Society for Earthquake Engineering   53 ( 1 )   13 - 21   2020.3

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    Authorship:Lead author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:New Zealand Society for Earthquake Engineering  

    Many of the buildings which experienced damage in recent earthquakes such as the 2015 Nepal Earthquake were reinforced concrete (RC) frame buildings with unreinforced masonry infill walls. This study proposes a simplified procedure to estimate the in-plane seismic capacity of masonry infilled RC frame buildings based on concepts of the Japanese seismic evaluation standard (JBDPA, [1]). The correlation of seismic capacity and observed damage obtained using a database of 370 existing RC frame buildings with masonry infill that experienced earthquakes in Taiwan, Ecuador and Nepal is investigated. The Is index, which represents the seismic capacity of buildings in the Japanese standard, showed good correlation with the observed damage and proved to be effective as a simple method to estimate seismic capacity. The method was then applied to 103 existing buildings in Bangladesh that have not experienced a major earthquake recently. The results emphasize the necessity for urgent seismic evaluation and retrofitting of buildings in Bangladesh.

    File: 1160-Article-2253-1-10-20200326.pdf

    DOI: 10.5459/bnzsee.53.1.13-21

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  • A proposal of Visual Rating method to set the priority of detailed evaluation for masonry infilled RC building Reviewed

    Md. Shafiul Islam, Hamood Alwashali, Debasish Sen, Masaki Maeda

    Bulletin of Earthquake Engineering   18 ( 4 )   1613 - 1634   2020.3

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Springer Science and Business Media LLC  

    DOI: 10.1007/s10518-019-00763-5

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    Other Link: http://link.springer.com/article/10.1007/s10518-019-00763-5/fulltext.html

  • INVESTIGATION OF THE LATERAL CAPACITY OF FERRO-CEMENT RETROFITTED INFILLED MASONRY IN RC FRAME AND SIMPLIFIED PREDICTION APPROACH Reviewed

    Debasish SEN, Hamood ALWASHALI, Md. Shafiul ISLAM, Masaki MAEDA

    AIJ Journal of Technology and Design   26 ( 62 )   159 - 163   2020.2

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Architectural Institute of Japan  

    Ferro-cement is a composite material, which could be easily utilized as a strengthening material for infilled masonry panel from the perspective of workmanship and economy. In this study, the effect of several parameters on shear capacity of Ferro-cement has been compiled from previous experimental test data. A simplified proposal to estimate expected lateral capacity of Ferro-cement lamination is presented.

    DOI: 10.3130/aijt.26.159

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  • AN EXPERIMENTAL INVESTIGATION ON THE CYCLIC BEHAVIOUR OF FERRO-CEMENT LAMINATED MASONRY INFILLED RC FRAME Reviewed

    Debasish SEN, Yuta TORIHATA, Hamood ALWASHALI, Masaki MAEDA

    Proceeding of Japan Institute of Concrete JCI   41 ( 2 )   859 - 864   2019.7

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    Language:English   Publishing type:Research paper (bulletin of university, research institution)  

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  • VISUAL RATING METHOD FOR SEISMIC EVALUATION OF EXISTING RC BUILDINGS WITH MASONRY INFILL : A CASE STUDY OF BANGLADESH Reviewed

    Md. Shafiul ISLAM, Debasish SEN, Hamood ALWASHALI, Masaki MAEDA

    Proceeding of Japan Institute of Concrete JCI   41 ( 2 )   1009 - 1014   2019.7

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  • STUDY ON SEISMIC CAPACITY OF EXISTING RC BUILDINGS WITH MASONRY INFILL BASED ON PAST EARTHQUAKES DAMAGE Reviewed

    Hamood ALWASHALI, Md. Shafiul ISLAM, Debasish SEN, Masaki MAEDA

    41 ( 2 )   1015 - 1020   2019.7

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  • Residual seismic capacity of buildings having both moment resisting RC frame and flexural RC walls Reviewed

    Proceedings of Japan Institute of Concrete   41 ( 2 )   799 - 804   2019.7

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    Language:Japanese   Publishing type:Research paper (bulletin of university, research institution)  

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  • “Experimental investigation of influences of several parameters on seismic capacity of masonry infilled reinforced concrete frame” Reviewed

    Hamood Alwashali, Debasish Sen, Kiwoong Jin, Maeda Masaki

    Engineering Structures   189   11 - 24   2019.6

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    Authorship:Lead author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    This study investigated the in-plane seismic capacity of three ½ scale single story reinforced concrete frames with masonry infill that were subjected to static cyclic lateral loading. Three main parameters were investigated: the strength of the surrounding reinforced concrete (RC) columns, strength of RC beams, and mortar strength of the masonry infill. These parameters were selected because there are large variations between the design codes and past research on their importance. Experimental results showed that the infill shear strength greatly increased with the surrounding frame strength. The investigated parameters did not significantly affect the initial stiffness. The specimen consisting of a masonry panel built with low-strength mortar showed relatively greater ductility and relatively less damage to the masonry infill panel and surrounding frame. Based on the results, the frame strength ratio needs to be included as a parameter in the design codes for new buildings because it can alter the shear strength of the masonry infill and ductility of the whole structure.

    DOI: 10.1016/j.engstruct.2019.03.020

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  • Proposal of visual rating method for seismic capacity evaluation and screening of RC buildings with masonry infill Reviewed

    M.S. Islam, H. Alwashali, D. Sen, M. Maeda, M.A.M. Sikder, M.R. Islam

    2019 Pacific Conference on Earthquake Engineering   ( 65 )   2019.4

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  • Investigation of the Ferro-cement laminated infilled masonry wall under cyclic lateral load Reviewed

    D. Sen, Y. Torihata, H. Alwashali, S. Islam, Z. Tafheem, M. Maeda

    2019 Pacific Conference on Earthquake Engineering   ( 237 )   2019.4

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  • Study of Seismic Capacity of Existing RC Buildings with Masonry Infill Damaged by Past Earthquake Reviewed

    Hamood Alwashali, M.S.Islam, D. Sen, M. Maeda, J. Monical, M.A.M. Sikder, M.R. Islam

    2019 Pacific Conference on Earthquake Engineering   ( 243 )   2019.4

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    Authorship:Lead author   Language:English   Publishing type:Research paper (international conference proceedings)  

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  • An overview of post earthquake damage and residual capacity evaluation for reinforced concrete buildings in Japan

    Masaki Maeda, Hamood Al-Washali, Kazuto Matsukawa

    COMPDYN Proceedings   1   930 - 943   2019

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    Publishing type:Research paper (international conference proceedings)  

    Damage level classification is essential just after a damaging earthquake for decision of appropriate and necessary action in order to prevent from repeated damage due to after-shocks and future major earthquake, and to support well-organized recovery. Therefore, accurate and practical post-earthquake damage evaluation method has been studied and developed in Japan. This paper overviews state-of-the-art of post-earthquake damage and residual seismic capacity for reinforced concrete buildings in Japan. Japanese Damage Evaluation Guideline was originally issued in 1990 and revised in 2000 and 2015. Evaluation of residual seismic capacity of whole building was introduced in the 2000 revision, in which deterioration of each structural component is evaluated based on damage level considering residual crack, crush of concrete and so on. Total collapse mechanism and damage in non-structural concrete wall were taken into the scope in the 2015 revision. Recently, residual seismic capacity evalua-tion based on response spectrum method is studied by authors. Basic concept of these method and application example are presented.

    DOI: 10.7712/120119.6969.19228

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  • RAPID SEISMIC EVALUATION METHOD OF EXISTING RC BUILDINGS WITH MASONRY INFILL BASED ON EARTHQUAKE DAMEGE Reviewed

    Md. Shafiul ISLAM, Hamood ALWASHALI, Yuta TORIHATA, Masaki MAEDA

    Proceedings of Japan Concrete Institute   40 ( 2 )   1027 - 1032   2018.7

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  • CONTRIBUTION OF SURROUNDING RC FRAME AND MASONRY WALL IN LATERAL RESISTANCE OF MASONRY INFILLED RC FRAME Reviewed

    Debasish SEN, Hamood ALWASHALI, Kiwoong JIN, Masaki MAEDA

    Proceedings of Japan Concrete Institute   40 ( 2 )   823 - 828   2018.7

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  • Evaluation of diagonal compression strut of masonry infill in RC frames based on experimental investigation Reviewed

    Hamood ALWASHALI, Yuta TORIHATA, Kiwoong JIN, Masaki MAEDA

    Proceedings of Japan Concrete Institute   40 ( 2 )   817 - 822   2018.7

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  • A SEISMIC CAPACITY EVALUAITON AND PRIORITY SETTING FOR RC BUILDING WITH MASONRY INFILL Reviewed

    Masaki MAEDA, Md. Shafiul ISLAM, Hamood ALWASHALI, Md, Rafiqul ISLAM, Matsutaro SEKI, Kiwoong JIN

    16th European Conference on Earthquake Engineering   2018.6

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  • EXPERIMENTAL STUDY ON RC FRAMES WITH MASONRY INFILL CONSIDERING PARAMETERS INFLUENCING BACKBONE CURVE Reviewed

    Alwashali Hamood

    16th European Conference on Earthquake Engineering   ( Paper ID.1227 )   2018.6

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  • Experimental observations on the in-plane behaviour of masonry wall infilled RC frames; focusing on deformation limits and backbone curve Reviewed

    Hamood Alwashali, Yuta Torihata, Kiwoong Jin, Masaki Maeda

    Bulletin of Earthquake Engineering   16 ( 3 )   1373 - 1397   2018.3

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    Authorship:Lead author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:Springer Netherlands  

    The ratio of frame strength and stiffness to masonry infill are major parameters that influence the seismic capacity of masonry infill. The influence of such parameters to seismic capacity in terms of strength, stiffness and deformation has significant variations between different design codes and past literature on the topic. This study focused on the in-plane behaviour of unreinforced masonry infill walls installed in reinforced concrete (RC) frames with different strengths. In the first part of this study, two ½ scale specimens with different RC frames and identical masonry infill walls were tested using a static cyclic loading protocol. The main objective was investigating the influence of changing frame strength to seismic capacity in terms of: strength, stiffness and deformation. Results of the presented experiment showed that as the ratio of frame shear strength to masonry shear strength increased, there was great improvement of the masonry infill walls in terms of strength and avoidance of sudden brittle behaviour of the masonry infill. However, varying frame strength did not significantly influence the initial stiffness and story drift at maximum strength. In the second part of this study, an investigation was conducted on the deformation limits of masonry infilled RC frames and the influence of various parameters, based on data collected from many recent experimental tests. Based on these experimental results, the deformation limits of masonry infill were found to be directly proportional to both the compressive prism strength of the masonry infill and the ratio of shear strength of frame to that of the masonry infill. The influence of aspect ratio showed large variation and it is difficult to conclude its level of influence on deformation. A simplified procedure based on experimental data was proposed that can estimate the backbone curve and gave good estimation of the post-peak lateral strength degradation slope based on the ratio of frame strength with simple hand calculation. Such a method is useful in the preliminary design process to help practicing engineers understand the general behaviour expected by infilled RC frames.

    DOI: 10.1007/s10518-017-0248-x

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  • A Proposal on the Simplified Structural Evaluation Method for Existing Reinforced Concrete Buildings with Infilled Brick Masonry Walls Reviewed

    Matsutaro Seki, Masaki Maeda, Hamood Al-Washali

    Seismic Hazard and Risk Assessment, Springer Natural Hazards   ( 493-503 )   2018.3

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  • Study of Seismic Capacity of Masonry Infilled Reinforced Concrete Frames Considering the Influence of Frame Strength Reviewed

    Hamood Al-Washali, Kiwoong Jin, Masaki Maeda

    Seismic Hazard and Risk Assessment, Springer Natural Hazards   ( 479-491 )   469 - 476   2018.3

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  • 周囲柱による拘束効果の違いが無補強レンガ壁付きRC造架構の地震時挙動及び構造特性に与える影響に関する実験的研究 Reviewed

    Yuta Torihata, Hamood Alwashali, Shafiul Islam, Kiwoong Jin, Benjamin Brito, Masaki Maeda

    Proceedings of Japan Concrete Institute   39 ( 2 )   787 - 792   2017.7

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    Language:Japanese   Publishing type:Research paper (bulletin of university, research institution)  

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  • SEISMIC EVALUATION OF REINFORCED CONCRETE BUILDINGS WITH MASONRY INFILL WALL Reviewed

    H.AlWashali, Y.Suzuki, M.Maeda

    16th World Conference on Earthquake Engineering   ( Paper No.788 )   2017.1

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  • On the Seismic Response of the Faculty of Architecture and Engineering Building at Tohoku University Reviewed

    Ying Wang, Enrique Villalobos, Santiago Pujol, Hamood Al-Washali, Kazuki Suzuki, Masaki Maeda, Susumu Takahashi, Toshikatsu Ichinose

    EARTHQUAKE SPECTRA   32 ( 1 )   523 - 545   2016.2

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:EARTHQUAKE ENGINEERING RESEARCH INST  

    The Faculty of Architecture and Engineering Building at Tohoku University survived two strong ground motions. This is not surprising because the structure was stiff and strong. What is surprising is that the first ground motion did not cause severe structural damage but the second one caused so much structural damage that the building had to be evacuated and demolished. The damage occurred despite two key facts: (1) the intensities of the mentioned ground motions are understood to have been similar and (2) the building was strengthened after the first motion (and before the second) following stringent standards.

    DOI: 10.1193/053013EQS139M

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  • Seismic capacity of retrofitted SRC building damageddue to 2011 Great East Japan Earthquake

    M. Maeda, K. Suzuki, H. Al-Washali, S. Pujol, T. Ichinose

    Vienna Congress on Recent Advances in Earthquake Engineering and Structural Dynamics 2013 (VEESD 2013)   2013.8

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  • 東北地方太平洋沖地震で大破したSRC造建物の被害と分析 Reviewed

    鈴木一希, Hamood Alwashali, 前田匡樹, 市之瀬敏勝

    Proceedings of Japan Concrete Institute   35 ( 2 )   1105 - 1110   2013.7

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    Language:Japanese   Publishing type:Research paper (bulletin of university, research institution)  

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  • Research For Collapse of R/C Frame Composed of Shear And Flexure Column Reviewed

    Kazuto Matsukawa, Masaki Maeda, Hamood Al-Washali, Kanako Takahashi

    15th World Conference on Earthquake Engineering   2012.9

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  • STUDY OF LOW-RISE RC BUILDINGS WITH RELATIVELY HIGH SEISMIC CAPACITY DAMAGED BY GREAT EAST JAPAN EARTHQUAKE 2011 Reviewed

    Hamood ALWASHALI, Kazuki SUZUKI, Kanako TAKAHASHI, Masaki MAEDA

    Proceedings of Japan Concrete Institute   34 ( 2 )   1153 - 1158   2012.7

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  • 2011 年東北地方太平洋沖地震における宮城県内のRC 造校舎の耐震性能と被害傾向の検討と被害事例 Reviewed

    高橋香菜子, Hamood AL-WASHALI, 前田匡樹

    Proceedings of Japan Concrete Institute   34 ( 2 )   1099 - 1104   2012.7

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    Language:Japanese   Publishing type:Research paper (bulletin of university, research institution)  

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  • Damage of RC building structures due to 2011 east Japan earthquake Reviewed

    Masaki Maeda, Hamood Al-Washali, Kazuki Suzuki, Kanako Takahashi

    Structures Congress 2012 - Proceedings of the 2012 Structures Congress   1023 - 1034   2012

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    Language:English   Publishing type:Research paper (international conference proceedings)  

    This paper presented the investigation of reinforced concrete building structures by 2011 East Japan Earthquake. Generally, reinforced concrete structures in Miyagi region performed very well during the earthquake and effect of seismic retrofit was found in mitigation of damage, although severe damage to some seismically retrofitted buildings was noticed. A good correlation was observed between calculated seismic capacity Is-index and observed damage. Moreover, buildings designed according to the current seismic design code had minor damage in its structural members. However, major damage to non structural elements was commonly observed. Some typical damage observed by author's field survey in Miyagi pref. which is conducted mainly as an activity of the AIJ committee is described. Damage to structural members was not found in most of RC buildings which suffered tsunami, although damage to non structural elements was generally severe. However, severe structural damage induced by devastating tsunami was observed in some buildings. © ASCE 2012.

    DOI: 10.1061/9780784412367.091

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Books

  • Seismic Evaluation of Existing Reinforced Concrete Buildings in Bangladesh for Extended Application of PWD Seismic Evaluation Manual

    ( Role: Joint author ,  SATREPS-TSUIB Project, The University of Tokyo and Housing and Building Research Institute)

    2022.6 

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  • Seismic Retrofit of Existing Reinforced Concrete Buildings in Bangladesh for Extended Application of PWD Seismic Retrofit Manual

    ( Role: Contributor)

    SATREPS-TSUIB Project, The University of Tokyo and Housing and Building Research Institute  2022.6 

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  • Study on hybrid structure of reinforced concrete with CLT wall as seismic wall

    KUMAGAWA Satoshi, ALWASHALI Hamood, FUKUMOTO Koji, YAMANE Masayoshi, QUAN Chunri, Jin Kiwoong

    Proceedings of the 16th Japan Earthquake Engineering Symposium (16JEES)   2023.11

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  • Assessing Seismic Capacity of RC Buildings in 2023 Turkey Earthquake and Comparison with Past Earthquakes

    Hamood AlWASHALI, Hana USHIO

    Proceedings of the 16th Japan Earthquake Engineering Symposium (16JEES)   2023.11

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  • Study on Parameters Affecting Seismic Performance of Reinforced Concrete Walls with Openings

    UCHIDA Ryo, ALwashali Hamood

    Proceedings of the 16th Japan Earthquake Engineering Symposium (16JEES)   2023.11

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  • Study on hybrid structural system of CLT and RC Part1: Outline of experiment plan and results

    Hamood Alwashali, Satoshi Kumagawa, Kouji Fukumoto, Masayoshi Yamane, Chunri Quan, Kiwoong Jin

    Proceedings of Architecture Institute of Japan (AIJ) annual meeting   構造3 ( 22199 )   2023.9

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  • Study on hybrid structural system of CLT and RC, Part 2: Discussion of results and failure mechanisms of CLT walls

    Satoshi Kumagawa, Hamood Alwashali, Kouji Fukumoto, Masayoshi Yamane, Chunri Quan, Kiwoong Jin

    Proceedings of Architecture Institute of Japan (AIJ) annual meeting   構造III : 大規模木造:ハイブリッド壁 ( 22200 )   2023.9

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  • Optimization of sensors implemented in nuclear power plants considering the effect of stiffness degradation

    Zhuoran Yi, Hamood Alwashali, Benjamin Brito, Masaki Maeda, Matsutaro Seki

    Proceedings of Architecture Institute of Japan (AIJ) annual meeting   345 - 346   2022.9

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  • Experimental study on the influence of openings on strength and stiffness of RC walls Part 4: Discussion of experimental results

    Zasiah Tafheem, Hamood Alwashali, Masaki Maeda, Matsutaro Seki, Kazuya Tsurugai, Naoyuki Aizawa, Yoshihiro Ogata, Yui Nemoto

    Proceedings of Architecture Institute of Japan (AIJ) annual meeting   341 - 342   2022.9

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  • Prioritization of Seismic Retrofit for RC Existing Buildings in Bangladesh Part.1 Consideration of repair and retrofitting cost

    Sajadur Rahman, Hamood Alwashali, Zasiah Tafheem, Matsutaro Seki, Masaki Maeda

    Proceedings of Architecture Institute of Japan (AIJ) annual meeting   549 - 550   2022.9

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  • Experimental study on the influence of openings on strength and stiffness of RC walls Part 3: Overview of 2nd test series

    Hamood Alwashali, Zasiah Tafheem, Masaki Maeda, Matsutaro Seki, Kazuya Tsurugai, Naoyuki Aizawa, Yoshihiro Ogata, Yui Nemoto

    Proceedings of Architecture Institute of Japan (AIJ) annual meeting   339 - 340   2022.9

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  • Experimental study on the influence of openings on strength and stiffness of RC walls Part 2: Experiment results

    Zasiah Tafheem, Hamood Alwashali, Masaki Maeda, Matsutaro Seki, Kazuya Tsurugai, Naoyuki Aizawa, Yoshihiro Ogata

    Proceedings of Architecture Institute of Japan (AIJ) annual meeting   151 - 152   2021.9

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  • Experimental study on the influence of openings on strength and stiffness of RC walls Part 1: Outline of experiment plan

    Hamood Alwashali, Zasiah Tafheem, Masaki Maeda, Matsutaro Seki, Kazuya Tsurugai, Naoyuki Aizawa, Yoshihiro Ogata

    Proceedings of Architecture Institute of Japan (AIJ) annual meeting   149 - 150   2021.9

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  • Study on failure mechanisms and lateral strength evaluation of RC frame with CLT infill

    Ahmad Ghazi Aljuhmani, Hamood Alwashali, Masaki Maeda, Matsutaro Seki

    Proceedings of Architecture Institute of Japan (AIJ) annual meeting   639 - 640   2021.9

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  • Evaluation of building characteristics and seismic capacity of existing RC Buildings in Bangladesh

    A.K.M, Sajadur Rahman, Md. Shafiul Islam, Zasiah Tafheem, Hamood Alwashali, Seki Matsutaro, Masaki Maeda

    Proceedings of Architecture Institute of Japan (AIJ) annual meeting   353 - 354   2021.9

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  • INFLUENCE OF OPENINGS ON THE SHEAR STRENGTH AND STIFFNESS OF CROSS LAMINATED TIMBER (CLT) PANELS

    A.G. Aljuhmani, A. Ogasawara, E. Atsuzawa, H. Alwashali, A.V. Shegay, Z. Tafheem, M. Maeda

    Proceedings of Architecture institute of Japan annual meeting   2020.9

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  • 連層耐震壁を有するRC造4層建物縮小試験体の振動台実験による被災度評価と応答予測 その3 架構の安全限界と破壊形式の評価

    三浦耕太, 藤田起章, 田畑佑, SHEGAY Alex, 前田匡樹, ALWASHALI Hamood, 関松太郎

    Proceedings of Architecture Institute of Japan (AIJ) annual meeting   2020   445 - 446   2020.9

  • 連層耐震壁を有するRC造4層建物縮小試験体の振動台実験による被災度評価と応答推定 その5 部材の変形性能を考慮した残存耐震性能評価法の提案と実験結果への適用

    藤田起章, 田畑佑, 三浦耕太, SHEGAY Alex, 前田匡樹, ALWASHALI Hamood, 関松太郎

    Proceedings of Architecture Institute of Japan (AIJ) annual meeting   2020   449 - 450   2020.9

  • 連層耐震壁を有するRC造4層建物縮小試験体の振動台実験による被災度評価と応答予測 その4 加速度センサ記録に基づく修正解析モデルによる建物応答予測に関する検討

    田畑佑, 藤田起章, 三浦耕太, SHEGAY Alex, 前田匡樹, ALWASHALI Hamood, 関松太郎

    Proceedings of Architecture Institute of Japan (AIJ) annual meeting   2020   447 - 448   2020.9

  • Failure modes and capacity evaluation of Ferro-cement laminated masonry infilled RC frame Part 2: Proposal and validation of capacity evaluation

    Debasish Sen, Md. Shafiul Islam, Zasiah Tafheem, Hamood Alwashali, Matsutaro Seki, Masaki Maeda

    Proceedings of Architecture Institute of Japan (AIJ) annual meeting   833 - 832   2020.9

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  • Failure modes and capacity evaluation of Ferro-cement laminated masonry infilled RC frame Part 1: Identification of possible failure modes

    Md. Shafiul Islam, Debasish Sen, Zasiah Tafheem, Hamood Alwashali, Matsutaro Seki, Masaki Maeda

    Proceedings of Architecture Institute of Japan (AIJ) annual meeting   831 - 832   2020.9

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  • A review study on the effect of openings on the seismic performance of RC wall panels

    Zasiah Tafheem, Hamood Alwashali Alex Shegay, Debasish Sen, Md. Shafiul Islam, Seki Matsutaro, Masaki Maeda

    Proceedings of Architecture Institute of Japan (AIJ) annual meeting   2020   305 - 306   2020.9

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  • 連層耐震壁を有するRC造4層建物縮小試験体の振動台実験による被災度評価と応答予測 その2 実験結果概要

    Alex Shegay, 藤田起章, 田畑佑, 三浦耕太, 前田匡樹, Hamood Alwashali, 関松太郎

    Proceedings of Architecture Institute of Japan (AIJ) annual meeting   2020   443 - 444   2020.9

  • Study on the influence of openings on the strength and stiffness of CLT walls panels Part 4: Strain distribution of the experiment using DIC method and comparison with FEM analysis

    Hamood Alwashali, Ogasawara Ayaka, Atsuzawa Eito,Ahmad Ghazi Aljuhmani, Alex Shegay, Masaki Maeda

    Proceedings of Architecture Institute of Japan (AIJ) annual meeting   2020   47 - 48   2020.9

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  • 連層耐震壁を有するRC造4層建物縮小試験体の振動台実験による被災度評価と応答予測 その1 研究の位置づけと実験計画の概要

    前田匡樹, 藤田起章, 田畑佑, 三浦耕太, Aex Shegay, Hamood Alwashali, 関松太郎

    Proceedings of Architecture Institute of Japan (AIJ) annual meeting   2020   441 - 442   2020.9

  • Study on the influence of openings on the strength and stiffness of CLT wall panels. Part 1: Outline of experimental plan

    小笠原絢香, 厚澤瑛人, Aljuhmani, A, 前田匡樹, Alwashali, H, Shegay, A

    Proceedings of Architecture Institute of Japan (AIJ) annual meeting   2020   41 - 42   2020.9

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  • Study on the influence of openings on the strength and stiffness of CLT walls panels. Part 2: Experimental results

    厚澤瑛人, 小笠原絢香, Ahmad Ghazi Aljuhmani, 前田匡樹, Hamood Alwashali, Alex Shegay

    Proceedings of Architecture Institute of Japan (AIJ) annual meeting   2020   43 - 44   2020.9

  • Study on the influence of openings on the strength and stiffness of CLT wall panels Part 3: Comparison of the experimental results with FEM analysis

    Ahmad Ghazi Aljuhmani,Atsuzawa Eito,Alex Shegay,Ogasawara Ayaka,Hamood Alwashali,Masaki Maeda

    Proceedings of Architecture Institute of Japan (AIJ) annual meeting   2020   45 - 46   2020.9

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  • Evaluation of Seismic Capacity and Expected Damage of RC Buildings in Bangladesh Part 1: Study on characteristics of existing RC buildings in Bangladesh

    Md. Shafiul Islam, Zasiah Tafheem, Debasish Sen, Hamood Alwashali, Matsutaro Seki, Masaki Maeda

    Proceedings of Architecture institute of Japan annual meeting   287 - 288   2019.9

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  • Experimental Study on Detailing in RC Frames Retrofitted with HighStrength Concrete Infills. Part 1:Specimens and Loading method

    OKADA Tetsuya, TAKAHASHI Hiroto, ICHINOSE Toshikatsu, MAEDA Masaki, Hamood ALWASHALI

    Proceedings of Architecture institute of Japan annual meeting   29 - 30   2019.9

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  • Experimental Study on Detailing in RC Frames Retrofitted with HighStrength Concrete Infills. Part 2 Experimental Results

    TAKAHASHI Hiroto, OKADA Tetsuya, ICHINOSE Toshikatsu, MAEDA Masaki, ALWASHALI Hamood

    Proceedings of Architecture institute of Japan annual meeting   31 - 32   2019.9

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  • Evaluation of Seismic Capacity and Expected Damage of RC Buildings in Bangladesh Part 2: Correlation between Seismic capacity and Damage level

    Zasiah Tafheem, Md. Shafiul Islam, Debasish Sen, Hamood Alwashali, Matsutaro Seki, Masaki Maeda

    Proceedings of Architecture institute of Japan annual meeting   289 - 290   2019.9

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  • Evaluation Method for Residual Seismic Performance of RC Buildings with Multi-story Shear Walls Part2 Proposal of Evaluation Method Considering Deformation Capacity and Application to Specimen of 4-story RC Frame Model

    FUJITA Kisho, TABATA Yu, MIURA Kota, Hamood Alwashali, MAEDA Masaki

    Proceedings of Architecture institute of Japan annual meeting   651 - 652   2019.9

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  • Study on residual seismic capacity of damaged RC shear walls part13 Analysis of compression strut width

    SUN Jingyue, HANZAWA Mamoru, MAEDA Masaki, Hamood ALWASHALI, AIZAWA Naoyuki, SATO Masatoshi

    Proceedings of Architecture institute of Japan annual meeting   551 - 552   2019.9

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  • Study on residual seismic capacity of damaged RC shear walls part11 Experimental program of RC shear walls with flange ends tested under Static cyclic loading

    AIZAWA Naoyuki, SUN Jingyue, HANZAWA Mamoru, MAEDA Masaki, Hamood ALWASHALI, SATO Masatoshi

    日本建築学会大会学術講演梗概集   547 - 548   2019.9

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  • Study on residual seismic capacity of damaged RC shear walls part12 Experimental Results of RC shear walls with flange ends tested under Static cyclic loading

    HANZAWA Mamoru, SUN Jingyue, MAEDA Masaki, Hamood ALWASHALI, AIZAWA Naoyuki, SATO Masatoshi

    日本建築学会大会学術講演梗概集   549 - 550   2019.9

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  • Experimental investigation of Ferro-cement laminated masonry infilled in RC frame Part 1: Experimental program

    Hamood Alwashali, Debasish Sen, Zasiah Tafheem, Md. Shafiul Islam, Matsutaro Seki, Masaki Maeda

    Proceedings of Architecture institute of Japan annual meeting   915 - 916   2019.9

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  • Experimental investigation of Ferro-cement laminated masonry infilled in RC frame part 2: Evaluation of Failure Mode and Seismic Capacity under Lateral Load

    Debasish Sen, Zasiah Tafheem, Md. Shafiul Islam, Hamood Alwashali, Matsutaro Seki, Masaki Maeda

    Proceedings of Architecture institute of Japan annual meeting   917 - 918   2019.9

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  • Evaluation Method for Residual Seismic Capacity of RC Buildings with Multi-story Shear Walls Part3 Study of Response Estimation Method of Unobserved Stories for RC Buildings based on Acceleration Sensors

    TABATA Yu, FUJITA Kisho, MIURA Kota, HAMOOD Alwashali, MAEDA Masaki

    Proceedings of Architecture institute of Japan annual meeting   653 - 654   2019.9

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  • Evaluation Method for Residual Seismic Capacity of RC Buildings with Multi-story Shear Walls Part1 Outline of 4-story RC Frame Model for Shaking Table Test and Result of Pushover Analysis

    MIURA Kota, FUJITA Kisho, TABATA Yu, Hamood Alwashali, MAEDA Masaki

    Proceedings of Architecture institute of Japan annual meeting   649 - 650   2019.9

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  • Seismic assessment of existing RC buildings with masonry infill in Banlladesh part 1:Proposal of ductility index for RC frame with masonry infill for 2nd level screening

    Hamood Alwashali, Debasish Sen, Md. Shafiul Islam, Yuta Torihata, Masaki Maeda

    Proceedings of Architecture institute of Japan annual meeting   ( 917-918 )   2018.9

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  • Seismic assessment of existing RC buildings with masonry infill in Bangladesh part 4:Pushover Analysis of Existing RC Building with masonry infill

    Torihata Yuta, Hamood Alwashali, Md. Shafiul Islam, Debasish Sen, Masaki Maeda

    Proceedings of Architecture institute of Japan annual meeting   ( 923-924 )   2018.9

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  • Seismic assessment of existing RC buildings with masonry infill in Bangladesh part 3:Proposal of Visual Ranking Method and its application to existing RC buildings

    Md. Shafiul Islam, Hamood Alwashali, Debasish Sen, Yuta Torihata, Masaki Maeda

    Proceedings of Architecture institute of Japan annual meeting   ( 921-922 )   2018.9

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  • Seismic assessment of existing RC buildings with masonry infill in Bangladesh part 2:Evaluation of the Effect Masonry Infill on Seismic Capacity of Building

    Debasish Sen, Md. Shafiul Islam, Hamood Alwashali, Yuta Torihata, Masaki Maeda

    Proceedings of Architecture institute of Japan annual meeting   ( 919-920 )   2018.9

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  • EXPERIMENTAL STUDY OF MASONRY INFILLED RC FRAMES CONSIDERING THE INFLEUNCE OF VARYING FRAME AND MASONRY STRENGTH

    Hamood ALWASHALI, Yuta TORIHATA, Kiwoong JIN, Masaki MAEDA

    Proceedings of Japan Association of Earthquake Engineering   ( E-5 )   2017.11

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  • Experimental study of RC frames with masonry infill considering influence of boundary frame strength Part1: Outline of experiment Plan and results

    Yuta Torihata, Hamood Alwashali, Shafiul Islam, Kiwoong Jin, Benjamin Brito, Masaki Maeda

    Proceedings of Architecture institute of Japan annual meeting   ( 931-932 )   2017.8

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  • Experimental study of RC frames with masonry infill considering influence of boundary frame strength Part 2. Investigation of strength, stiffness and deformation capacity of experimental results

    Hamood Alwashali, Yuta Torihata, Benjamin Brito, Kiwoong Jin, Shafiul Islam, Masaki Maeda

    Proceedings of Architecture institute of Japan annual meeting   ( 933-934 )   2017.8

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  • Rapid Seismic Capacity Evaluation Method of RC Buildings with Masonry Infill

    Md. Shafiul Islam, Hamood Alwashali, Yuta Torihata, Kiwoong Jin

    Proceedings of Architecture institute of Japan annual meeting   ( 195-196 )   2017.8

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  • Damage due to Earthquakes and Improvement of Seismic Performance Reinforced Concrete Buildings in Japan

    Masaki Maeda, Hamood Al-Washali

    6th National Conference on Earthquake Engineering & 2nd National Conference on Earthquake Engineering and Seismology in Romania   ( 361-372 )   27 - 34   2017.6

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  • Deformation capacity of RC frames with unreinforced masonry infill

    Hamood Alwashali, Yusuke Suzuki, Masaki Maeda

    Proceedings of Architecture institute of Japan annual meeting   857-858   2016.8

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  • SEISMIC VULNERABILITY ASSESSMENT METHOD OF LOW-RISE RC BUILDINGS WITH MASONRY INFILL WALLS

    Hamood Alwashali, Masaki Maeda

    Proceeding of the 10th International Conference on Urban Earthquake Engineering   807 - 815   2013.3

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  • PERFORMANCE OF THE BUILDING OF THE FACULTY OF ENGINEERING AT TOHOKU UNIVERSITY DURING THE GREAT EAST JAPAN EARTHQUAKE OF 2011

    Suzuki Kazuki, Hamood Alwashali, Maeda Masaki, Ying Wang, Santiago Pujol, Ichinose Toshikatsu

    Proceedings of the 10th International Conference on Urban Earthquake Engineering   1967 - 1976   2013.3

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  • 東日本大震災による東北大学工学部RC 建物の被害と分析その 2 電子・応物系実験研究棟における有孔境界梁被害報告及び分析

    堀田 和敬, 長屋敦士, 加藤裕子, Hamood Alwashali, 鈴木一希, 高橋之, 市之瀬敏勝, 前田匡樹

    日本建築学会東海支部学術研究発表会   ( 51 )   269 - 272   2013.2

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  • 東日本大震災による東北大学工学部RC 建物の被害と分析その1 マテリアル・開発系実験研究棟の被害

    加藤 裕子, 堀田和敬, Hamood Alwashali, 鈴木 一希, 長屋敦士, 高橋之, 前田匡樹, 市之瀬敏勝

    日本建築学会東海支部学術研究発表会   ( 51 )   265 - 268   2013.2

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  • STUDY OF SEISMIC EVALUATION METHODS OF RC BUILDINGS WITH MASONRY INFILL WALLS;A CASE STUDY OF BUILDINGS IN JORDAN

    Hamood ALWASHALI, Masaki MAEDA

    Proceedings of the First International Symposium on Earthquake Engineering,JAEE   497 - 506   2012.11

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  • Investigation of Buildings in Tohoku University Damaged by the 2011Great East Japan Earthquake Part1 Outline of damage to Engineering Campus and investigation of RC Low-rise Buildings

    Hamood Alwashali, Kanako Takahashi, Kazuto Matsukawa, Hideki Kimura, SusumuTakahashi, Masaki Maeda, Toshikatsu Ichinose

    日本建築学会大会学術講演梗概集   C-2構造   1 - 4   2012.9

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  • 高橋香菜子,HamoodAlwashali,前田匡樹,“2011 年東北地方太平洋沖地震における宮城県内のRC造学校校舎の被害傾向の分析”,

    高橋香菜子, HamoodAlwashali, 前田匡樹

    Proceedings of Architecture institute of Japan annual meeting   2012.9

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  • Investigation of Buildings in Tohoku University Damaged by the 2011Great East Japan Earthquake – part 1: Study of low-rise RC buildings damaged in 2011 Great east Japan Earthquake

    Hamood Alwashali, Kanako Takahashi, Kazuto Matsukawa, Hideki Kimura, Susumu Takahashi, Maeda Masaki, Toshikatsu Ichinose

    Proceedings of Architecture institute of Japan annual meeting   2012.9

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  • Seismic Evaluation Study of Low-Rise RC Building with Partial Concrete Walls in Tohoku University Damaged by Great East Japan Earthquake 2011

    Dandan Zhao, HamoodAlwashali, Kazuto Matsukawa, Masaki Maeda

    Proceedings of Architecture institute of Japan annual meeting   2012.9

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  • 東日本大震災による東北大学工学部建物の被害その2 電子・応物系実験研究棟の被害概要と検討

    長屋敦士, 高橋之, 高橋香菜子, HamoodAlwashali, 前田匡樹, 市之瀬敏勝

    Proceedings of Architecture institute of Japan annual meeting   2012.9

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  • STUDY OF LOW-RISE RC BUILDINGS WITH RELATIVELY HIGH SEISMIC CAPACITY DAMAGED BY GREAT EAST JAPAN EARTHQUAKE 2011

    Hamood ALWASHALI, Masaki MAEDA

    Proceedings of the International Symposium on Engineering Lessons Learned From the 2011 Great East Japan Earthquake   1292 - 1303   2012.3

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  • DAMAGE TO REINFORCED CONCRETE SCHOOL BULDING IN MIYAGI AFTER THE 2011 GREAT EAST JAPAN EARTHQUAKE

    Masaki MAEDA, Hamood AL-WASAHLI, Kanako TAKAHASHI, Kazuki SUZUKI

    Proceedings of the International Symposium on Engineering Lessons Learned From the 2011 Great East Japan Earthquake   1120 - 1131   2012.3

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  • Seismic Evaluation Study of existing RC buildings in Jordan

    Hamood Alwashali, Kazuto Matsukawa, Kota Miura, Joji Sakuta, Maeda Masaki

    Proceedings of Architecture institute of Japan annual meeting   2011.8

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Awards

  • EARLY CAREER AND STUDENT AWARD

    2021.10   17th World Conference of Earthquake Engineering (17WCEE)  

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  • Excellent presentation award in the annual meeting of Japan Association for Earthquake Engineering

    2017.11   Japan Association for Earthquake Engineering  

    Alwashali Hamood

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Research Projects

  • Development of Seismic Retrofit of Masonry Infill Walls in Reinforced Concrete Buildings Using Ferro-Cement

    Grant number:19K15070  2019.04 - 2022.03

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Early-Career Scientists

    Alwashali Hamood

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    Grant amount:\3640000 ( Direct expense: \2800000 、 Indirect expense:\840000 )

    Reinforced concrete (RC) buildings with Unreinforced masonry walls (URM) have suffered severe damage repeatedly in recent earthquakes such as the 2009 L'Aquila Earthquake in Italy, the 2015 Nepal Earthquake and many people died in those earthquakes. This research developed low-cost retrofitting method called Ferrocement for improving seismic capacity of masonry walls. The research first conducted experiments of 1/2 scaled specimens using the retrofit method of ferrocement. The experiments results showed that the developed retrofit method of ferrocement could improve the strength of masonry walls. The experiment also showed that there are several failure modes of the developed method with different seismic performances. Thus, several evaluation methods were proposed for each failure mode of the developed retrofit schemed and design procedures were proposed. The outcome could be used by engineers to apply existing buildings with masonry walls to improve seismic capacity.

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Class subject in charge

  • Design of Concrete Structure I and Exercise (2023academic year) 1st and 2nd semester  - 木5~7

  • Concrete Structure Design Ⅱ (2023academic year) Third semester  - 月5~6

  • Design of Concrete Structure II (2023academic year) 3rd and 4th semester  - 月5~6

  • Design of Concrete Structure I (2023academic year) 1st semester  - 木5~8

  • Laboratory Work and Practice on Basic Engineering (2023academic year) 1st and 2nd semester  - 火5~8

  • Engineering Mathematics I (2023academic year) 1st and 2nd semester  - 木3~4

  • Seismic capacity of buildings (2023academic year) Late  - その他

  • Seismic capacity of buildings (2023academic year) Late  - その他

  • Structure Design (2023academic year) Late  - 火7~8

  • Structure Design (2023academic year) Late  - 火7~8

  • Advanced Study (2023academic year) Other  - その他

  • Special Research (2023academic year) Year-round  - その他

  • Introduction to Architecture, Civil Engineering and Environmental Management Program (2023academic year) Third semester  - 水1~2

  • Introduction to Architecture, Civil Engineering and Environmental Management Program (2023academic year) Third semester  - 水1~2

  • Introduction to Architecture, Civil Engineering and Environmental Management Program (2023academic year) Third semester  - 水1~2

  • Introduction to Architecture, Civil Engineering and Environmental Management Program (2023academic year) Third semester  - 水1~2

  • Seminar in Aseismic Design of Structures (2023academic year) Prophase  - その他

  • Seminar in Aseismic Design of Structures (2023academic year) Late  - その他

  • Seminar in Aseismic Design of Structures B (2023academic year) Prophase  - その他

  • Seminar in Aseismic Design of Structures B (2023academic year) Year-round  - その他

  • Seminar in Aseismic Design of Structures B (2023academic year) Late  - その他

  • Seminar in Aseismic Design of Structures (2023academic year) Prophase  - その他

  • Liberal Arts and Practice in Natural and Environmental Sciences (2023academic year) Late  - 木7~8

  • Design of Concrete Structure I and Exercise (2022academic year) 1st and 2nd semester  - 木5~8

  • Design of Concrete Structure II (2022academic year) 3rd and 4th semester  - 月5~6

  • Engineering Mathematics I (2022academic year) 1st and 2nd semester  - 木3~4

  • Seismic capacity of buildings (2022academic year) Late  - その他

  • Structure Design (2022academic year) Late  - 火7~8

  • Special Research (2022academic year) Year-round  - その他

  • Seminar in Aseismic Design of Structures (2022academic year) Prophase  - その他

  • Seminar in Aseismic Design of Structures (2022academic year) Late  - その他

  • Seminar in Aseismic Design of Structures B (2022academic year) Prophase  - その他

  • Seminar in Aseismic Design of Structures B (2022academic year) Late  - その他

  • Liberal Arts and Practice in Natural and Environmental Sciences (2022academic year) Late  - 木7~8

  • Liberal Arts and Practice in Natural and Environmental Sciences (2022academic year) Late  - 木7~8

  • Liberal Arts and Practice in Natural and Environmental Sciences (2022academic year) Late  - 木7,木8

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Academic Activities

  • The 2nd Global Seminar on Sustainable and Earthquake Resilient Structures

    Role(s):Planning, management, etc., Panel moderator, session chair, etc.

    Hamood Alwashali, Green Innovation Center, Okayama University  2023.9.16

     More details

  • GLOBAL WEBINAR ON SUSTAINABLE & EARTHQUAKE RESILIENT STRUCTURES

    Role(s):Planning, management, etc., Panel moderator, session chair, etc., Supervision (editorial), Planning/Implementing academic research

    Hamood Alwashali, Green Innovation Center, Okayama University  2022.9.29

     More details

    Type:Competition, symposium, etc. 

    File: online seminar poster ver 11.pdf

    researchmap

  • Japan Architecture Institute (AIJ) annual meeting

    Role(s):Panel moderator, session chair, etc.

    2022.9.5 - 2022.9.8

     More details

    Type:Academic society, research group, etc. 

    researchmap