Bond-Slip Relationship of Beam Flexural Bars in Interior Beam-Column Joints

被引：2
|
作者：
Hwang, Hyeon-Jong [1 ]
Eom, Tae-Sung [2 ]
Park, Hong-Gun [3 ]
机构：
[1] Hunan Univ, Coll Civil Engn, Changsha 410082, Hunan, Peoples R China
[2] Dankook Univ, Dept Architectural Engn, Gyeonggi Do, South Korea
[3] Seoul Natl Univ, Dept Architecture & Architectural Engn, Seoul 151, South Korea
来源：
ACI STRUCTURAL JOURNAL | 2015年 / 112卷 / 06期
基金：
新加坡国家研究基金会;
关键词：
beam-column interior joint; bond slip; cyclic loading; simplified bond strength model; DETERIORATION; STRENGTH; BEHAVIOR;
D O I：
暂无
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Under cyclic loading, the structural performance of reinforced concrete (RC) beam-column connections is significantly affected by the bond slip of beam flexural bars. In the present study, a bond-slip model was developed to evaluate the bond slip of beam flexural bars within beam-column joints using simplified bond strength and bar strain. To address the cyclic loading effect, the bond strength was determined from the existing test results of beam-column connections that showed complete bond failure. For verification, the predictions of the proposed model were compared with the existing test results of concrete block specimens and beam-column joint specimens. The results showed that the proposed model predicted the bond strength degradation and bond-slip relationships with reasonable precision. For performance-based design, a bond requirement was proposed as the function of the ductility demand of beam-column joints.
引用
收藏
页码：827 / 837
页数：11
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