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首先对我国《钢结构设计规范》(GB50017—2003)、美国规范ANSI/AISC 360-05和加拿大规范CAN/CSA-S16-01,关于受拉构件强度计算时的剪切滞后部分分别进行了介绍。然后根据具体实验数据把规范和试验结果进行了分析比较,并用ANSYS验证。结果表明:美国规范和加拿大规范可以很好地预测受拉构件考虑剪切滞后的抗拉能力,稍有保守,可供我国规范参考。
First of all, the part of the shear lag in the calculation of the strength of the tension members are introduced separately in China’s “Code for Design of Steel Structures” (GB50017-2003), American Standard ANSI / AISC 360-05 and Canadian Code CAN / CSA-S16-01 . Then according to the specific experimental data to the specification and test results were analyzed and compared, and verified by ANSYS. The results show that the American Code and Canadian Code can well predict the tensile ability of the tension members taking into account the shear lag, which is slightly conservative and can be used as reference for our country.