Faculty Profiles - AYANO Toshiki

Papers - AYANO Toshiki

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Effects of particle-size characteristics of limestone powder on flowability of self-compacting high performance concrete Reviewed

Masanori Baba, Ryou Oh, Ryouichi Kawanaka, Toshiki Ayano, Kenji Sakata

Zairyo/Journal of the Society of Materials Science, Japan 51 ( 10 ) 1099 - 1104 2002

CHARACTERISTICS FIBER COMPOSITE CONCRETE AT HIGH TEMPERATURES Reviewed

Mahmoud Abo El-WafaAhmed, Masuo Yabuki, Kenji Sakata, Toshiki Ayano

The First fib Congress 2002 Concrete Structures in the 21 century 2002

EVALUATION AND COMPARISON OF SEALED AND NON-SEALED SHRINKAGE OF HIGH STRENGTH CCONCRETE Reviewed

Osamu Kuramoto, Toshiki Ayano, Abo El-Wafa, Kenji Sakata

The First fib Congress 2002 Concrete Structures in the 21 century 2002

EXPERIMENTAL STUDY ON STABLE PRODUCTION OF SELF-COMPACTING HIGH PERFORMANCE CONCRETE Reviewed

Hiroto Arima, Masayoshi Sadakane, Toshiki Ayano, Kenji Sakata

The First fib Congress 2002 Concrete Structures in the 21 century 2002

1028 形状寸法の異なるビニロン繊維の混合効果に関する研究(短繊維コンクリート) Reviewed

綾野克紀, 斉藤忠, Abo El-Wafa Mahmoud, 阪田憲次

コンクリート工学年次論文集 24 ( 1 ) 213 - 218 2002

Language：Japanese Publishing type：Research paper (scientific journal) Publisher：日本コンクリート工学協会

本論文は,ビニロン繊維の混入効果が,コンクリート断面に存在するビニロン繊維の総表面積と高い関係にあることを示したものである。このことに基づけば,異なる寸法のビニロン繊維を混合した場合の方が,同じ寸法のもののみを混入した場合よりも,あるコンクリート断面に存在する繊維の総表面積は広くなり,ビニロン繊維の混入効果も高くなる。この混合効果を,コンクリートの割裂強度,乾燥収縮ひび割れに対する抵抗性および繰返し荷重下におけるRC部材のひび割れ進展抑制効果で確認した。

File： 024-01-1028.pdf

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Other Link： http://dl.ndl.go.jp/info:ndljp/pid/10637275

CRACKING CONTROL OF CONCRETE STRUCTURES UTILIZING FIBER COMPOSITE MATERIALS

Mahmoud Abo El-Wafa, Toshiki Ayano, Osamu Kuramoto, Kenji Sakata

Third Middle East Symposium on Structural Composites for Infrastructure Applications 2002

EFFECT OF CRACKING ON SERVICEABILITY OF FIBROUS CONCRETE

Toshiki Ayano, Mahmoud Abo, El-Wafa Ahmed, Kenji Sakata

Proceeding of the 10th International Conference on Fracture, ICF10069 2001.12

ポリプロピレン繊維によるコンクリートの補強効果に関する研究 Reviewed

綾野克紀, Mahmoud Abo, El-Wafa Ahmed, 矢吹増男, 阪田憲次

複合劣化コンクリート構造物の評価と維持管理計画に関するシンポジウム論文集 73 - 78 2001.3

Influence of Coarse Aggregate on the Shrinkage of Normal and High-Strength Concretes

Adam Ihab, Sakata Kenji, Ayano Toshiki

Journal of the Faculty of Environmental Science and Technology,Okayama University 6 ( 1 ) 41 - 45 2001.2

炭酸銅を用いたコンクリートの遅延特性に関する研究 Reviewed

吉川寛和, 綾野克紀, 阪田憲次

コンクリート工学年次論文報告集 23 ( 2 ) 91 - 96 2001

Influence of coarse aggregate on the creep of normal and high-strength concretes Reviewed

Adam, I, T Ayano, K Sakata, O Kuramoto

2001 SECOND INTERNATIONAL CONFERENCE ON ENGINEERING MATERIALS, VOL II 173 - 182 2001

Resistance to cracking due to drying shrinkage by polypropylene fiber Reviewed

T Ayano, MA El-Wafa, M Yabuki, K Sakata

2001 SECOND INTERNATIONAL CONFERENCE ON ENGINEERING MATERIALS, VOL I 705 - 712 2001

Concrete with Copper Slag Fine Aggregate (Specoal Issue on Aggregates and Admixtures for Concrete) Reviewed

AYANO Toshiki, KURAMOTO Osamu, SAKATA Kenji

Journal of the Society of Materials Science, Japan 49 ( 10 ) 1097 - 1102 2000.10

Language：Japanese Publishing type：Research paper (scientific journal) Publisher：The Society of Materials Science, Japan

Copper slag is a by-product yielded from a copper refinery. The annual amount of copper slag in Japan is two million tons. The copper slag has been used for cement material, sand blasting, reclamation and so on. However, most of the copper slag is stacked high as waste since the production exceeds demand. This study on the application of copper slag as fine aggregater for concrete has been started with the expecation of large amounts of consumption. Many researchers have already found it possible to use a copper slag as a concrete aggregate. However, it also has been clear that the concrete with copper slag has some problems. One of them is excess bleeding attributed to the glassy surface of copper slag. Another problem is the delay of setting time of concrete with copper slag nevertheless it produced at the same refinery. The delay of setting time is more than one week in some cases although the durability in concrete is not affected by it. In this paper, the strength, setting time and durability of concrete with copper slag is clarified. It is shown that the delay of setting time does not have a negative influence on durability. Furthermore, the solution will be given in this paper.

File： 49_1097.pdf

DOI： 10.2472/jsms.49.1097

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Other Link： https://jlc.jst.go.jp/DN/JALC/00070328325?from=CiNii

Factors affecting creep and shrinkage of high-strength concrete : Part Ⅱ Reviewed

Adam I, Toshiki Ayano, Kenji Sakata

the 8th Arab Structural Engineering Conference 2000.8