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Experimental and theoretical study on longitudinal shear behavior of steel-concrete composite beams
Journal of Constructional Steel Research ( IF 4.1 ) Pub Date : 2020-08-01 , DOI: 10.1016/j.jcsr.2020.106144
Jing Zhang , Xiamin Hu , Weijie Fu , Hao Du , Qimeng Sun , Qi Zhang

Abstract Various studies have been performed on the flexural behavior of steel-concrete composite (SCC) beams. The results showed that composite beams have excellent mechanical performance. However, the research on longitudinal shear behavior of composite beams is still few. This paper focuses on an experimental study of the longitudinal shear behavior of SCC beams, including eight SCC beam specimens and six push-out specimens. The investigated parameters were the transverse reinforcement ratio, shear connection degree, longitudinal single-row and double-row studs and stud diameter. The failure modes, concrete slab strains, steel beam strains, load-deflection and load-slip curves were investigated. In addition, the effect of the test parameters on composite beams was also compared and analyzed. Based on the experimental results and open literature, a formula for calculating the longitudinal shear resistance of SCC beams with longitudinal double-row studs was proposed.

中文翻译:

钢-混凝土组合梁纵向抗剪性能试验与理论研究

摘要 对钢-混凝土组合 (SCC) 梁的弯曲行为进行了各种研究。结果表明,复合梁具有优良的力学性能。然而,关于组合梁纵向剪切行为的研究还很少。本文重点研究了 SCC 梁的纵向剪切行为,包括八个 SCC 梁试样和六个推出试样。研究的参数为横向配筋率、剪力连接度、纵向单排和双排螺柱和螺柱直径。研究了破坏模式、混凝土板应变、钢梁应变、荷载-挠度和荷载-滑移曲线。此外,还对比分析了试验参数对组合梁的影响。根据实验结果和公开文献,
更新日期:2020-08-01
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