铝合金板式节点承载力设计方法及构造要求

The Design Method and Detailed Requirements of Bearing Capacity of Aluminum Alloy Gusset Joint

摘要:

对铝合金板式节点的承载力进行理论分析，提出了节点板块状拉剪破坏的承载力计算公式以及节点板局部屈曲承载力的计算公式.在试验的基础上，利用ABAQUS软件对铝合金板式节点进行数值模拟研究，数值分析结果和试验结果吻合较好.根据试验结果拟合得到了节点承载力公式中的系数.将承载力计算公式和试验结果进行了对比，验证了公式的实用性.最后提出铝合金板式节点的实用构造要求，并通过试验结果验证了其正确性.

Abstract:

According to the theoretical study on the load bearing capacity of aluminum alloy gusset joint, formulae to estimate the block shear rapture load and the local buckling load of plate are proposed. Based on the experimental program, numerical model is established to simulate this joint by means of program ABAQUS. Experimental results agree well with numerical results. Test results and statistic regression technology are used to estimate the value of the coefficients in the proposed formulae. Comparisons between theoretical results and experimental results are conducted to indicate the applicability of proposed formulae. At last, detailing requirements of the joint plate are proposed, and the rationality of detailing requirements is demonstrated through experimental results.