Flexural behavior of web embedded steel-concrete composite beam

被引：16
|
作者：
Yang, Yuanlong [1 ,2 ,3 ]
Liang, Wentao [1 ,3 ]
Yang, Qingjie [1 ,3 ]
Cheng, Yu [1 ,3 ]
机构：
[1] Chongqing Univ, Key Lab New Technol Construct Cities Mt Area, Minist Educ, Chongqing 400045, Peoples R China
[2] Harbin Inst Technol, Minist Educ, Key Lab Struct Dynam Behav & Control, Harbin 150090, Peoples R China
[3] Chongqing Univ, Sch Civil Engn, Chongqing 400045, Peoples R China
来源：
ENGINEERING STRUCTURES | 2021年 / 240卷
基金：
中国国家自然科学基金;
关键词：
Composite beam; Shear connector; Web embedded; Bending experiment; Bending capacity; STUD SHEAR CONNECTORS; CHANNEL; DOWELS;
D O I：
10.1016/j.engstruct.2021.112345
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
This paper discussed a new web-embedded steel-concrete composite beam (WTSCB). The WTSCB consists of an inverted T-section steel section and a concrete slab. Five kinds of new shear connectors were designed at the web top and embedded in the concrete slab. In comparison with the conventional composite beam, shear connector welds are not necessary in the WTSCB. Push-out tests were conducted to investigate the shear property of the connectors, in which the load transferring mechanism of shear connector was researched and the calculation method of shear resistance was proposed. Then bending tests, considering effective width of concrete slab and shear connection types, were conducted on ten WTSCB specimens. Bending failure mode and excellent deformability were presented in WTSCB specimens. Moreover, the design methods including shear connection degree, bending capacity and elastic bending stiffness were proposed based on Eurocode 4.
引用
收藏
页数：15
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