Investigation on shear fracture behaviour of strain-hardening cementitious composites

被引：2
|
作者：
Zhang, Yongxing [1 ,2 ]
Bai, Shu [3 ]
Yang, Yan [4 ]
Zhang, Xueming [5 ]
机构：
[1] Nanjing Forestry Univ, Sch Civil Engn, Nanjing, Jiangsu, Peoples R China
[2] Changsha Univ Sci & Technol, State Engn Lab Highway Maintenance Technol, Changsha, Hunan, Peoples R China
[3] Hunan Prov Commun Planning Survey & Design Inst, Changsha, Hunan, Peoples R China
[4] Hunan Architecture Senior Tech Sch, Changsha, Hunan, Peoples R China
[5] Cent S Univ, Sch Civil Engn, Changsha, Hunan, Peoples R China
来源：
ADVANCES IN CEMENT RESEARCH | 2016年 / 28卷 / 06期
基金：
中国博士后科学基金; 中国国家自然科学基金;
关键词：
fracture & fracture mechanics; testing & evaluation; FAILURE BEHAVIOR;
D O I：
10.1680/jadcr.15.00025
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
This paper presents a scheme of double-plane shear testing to investigate the shear transmission mechanism of strain-hardening cementitious composite (SHCC) after crack opening; the focus is on the shear stress transfer behaviour on the crack surface of the SHCC, contributed by both the contact effect of the matrix and the fibre bridging effect on the crack surface. The experimental results demonstrate that the transferred shear stress on the crack surface of the SHCC is contributed by both the contact effect of the matrix and the fibre bridging effect on the crack surface until peak shear stress, whereas after the separation of the crack surfaces, it is influenced solely by the fibre bridging effect. It is confirmed that the fibre bridging effect on the crack surface of SHCC has considerable influence in the shear fracture behaviour of SHCC.
引用
收藏
页码：409 / 413
页数：5
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