Shear Strength of Exterior Wide Beam-Column Joints with Different Beam Reinforcement Ratios

被引：9

作者：

Huang, Roy Y. C. ^{[1
]}

Kuang, J. S. ^{[1
]}

Behnam, Hamdolah ^{[1
]}

机构：

[1] Hong Kong Univ Sci & Technol, Dept Civil & Environm Engn, Kowloon, Hong Kong, Peoples R China

来源：

JOURNAL OF EARTHQUAKE ENGINEERING | 2021年 / 25卷 / 05期

关键词：

Wide beam-column joint; Shear strength; Reversed cyclic load; Beam reinforcement ratio; Reinforced concrete; EARTHQUAKE-RESISTANT; SEISMIC RESPONSE; CONCRETE WIDE; CONNECTIONS; BEHAVIOR;

D O I：

10.1080/13632469.2018.1545711

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

Full-scale exterior reinforced concrete wide beam-column joints with beam reinforcement ratios of 0.84%, 1.07% and 1.28% were tested under reversed cyclic loading. Beam flexural failure was observed in the specimen with reinforcement ratio of 0.84%, while joint shear failure after beam yielding was detected in other two specimens. Detailed analysis was conducted to evaluate the seismic performance of specimens including hysteretic behavior, cracking patterns, joint shear distortion, strain of the reinforcement and energy dissipation capacity. Accuracies of the joint shear demand and capacity predicted by four seismic codes of practice are assessed by joint shear forces from the experimental results.

引用

页码：918 / 940

页数：23

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