Punching Shear Behavior of Two-Way Slabs Reinforced with High-Strength Steel

被引：1
|
作者：
Yang, Jun-Mo [1 ]
Yoon, Young-Soo [1 ]
Cook, William D. [2 ]
Mitchell, Denis [2 ]
机构：
[1] Korea Univ, Sch Civil Environm & Architectural Engn, Seoul, South Korea
[2] McGill Univ, Dept Civil Engn & Appl Mech, Montreal, PQ H3A 2T5, Canada
来源：
ACI STRUCTURAL JOURNAL | 2010年 / 107卷 / 04期
关键词：
cracking; fiber-reinforced concrete; high-strength reinforcement; punching shear; slabs; stiffness; CONCRETE BEAMS; PERFORMANCE; TESTS;
D O I：
暂无
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The punching shear behavior of slabs reinforced with high-strength steel reinforcement was studied and compared with that of slabs reinforced with conventional steel reinforcement. The high-strength steel selected for this research conforms to ASTM A1035-07. The influences of the flexural reinforcement ratio, concentrating the reinforcement in the immediate column region, and using steel fiber-reinforced concrete (SFRC) in the slab on the punching shear resistance, post-cracking stiffness, strain distribution, and crack control were investigated. In addition, the test results were compared with the predictions using various design codes. The use of high-strength steel reinforcement and SFRC increased the punching shear strength of slabs, and concentrating the top mat of flexural reinforcement showed beneficial effects on post-cracking stiffness, strain distribution, and crack control.
引用
收藏
页码：468 / 475
页数：8
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