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首页> 外文期刊>Journal of Constructional Steel Research >Effective shear connection for shallow cellular composite floor beams
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Effective shear connection for shallow cellular composite floor beams

机译：浅蜂窝复合地板梁的有效剪力连接

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摘要

Shallow cellular composite floor beam is a new type of composite floor beam that usually consists of a structural steel beam with regularly spaced web openings and concrete slab casted above the steel decking. In this study, the shear transferring mechanisms of shallow cellular composite beams design with innovative shear connection systems are investigated. A detailed finite element analysis program was performed to investigate the force transferring mechanism, load bearing capacity and failure behavior of the shear connections under direct longitudinal shear forces by simulating the push-out tests. Four different configurations of shear connections (web opening configurations) were designed and an intensive parametric study was conducted to determine the material and geometric parameters that likely influence the behavior of the shear connection. Finally, the findings from this investigation are incorporated with the bending and push-out test results to develop design methods for this form of shear connection. The failure mechanisms of the shear connection were confirmed, and it was also revealed that this type of shear connection is effectively capable to provide the desired shear resistance and ductile behavior if designed properly. (C) 2016 Elsevier Ltd. All rights reserved.
机译：浅蜂窝复合地板梁是一种新型的复合地板梁，通常由结构钢梁和规则间隔的腹板开口以及浇铸在钢地板上方的混凝土板组成。在这项研究中，研究了具有创新的剪力连接系统的浅蜂窝组合梁设计的剪力传递机理。通过模拟推挤试验，进行了详细的有限元分析程序，以研究在直接纵向剪切力作用下的剪切连接的力传递机理，承载能力和破坏行为。设计了四种不同的剪力连接结构（腹板开口结构），并进行了深入的参数研究，以确定可能影响剪力连接行为的材料和几何参数。最后，这项研究的结果与弯曲和推出测试结果结合在一起，以开发这种形式的剪力连接的设计方法。证实了剪切连接的破坏机理，并且还揭示出，如果设计得当，这种类型的剪切连接可以有效地提供所需的剪切阻力和延性。 （C）2016 Elsevier Ltd.保留所有权利。

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