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通过对顶底角钢梁柱连接原型模型进行循环荷载作用下的试验研究,以及对试验模型进行非线性有限元分析计算,全面分析了顶底角钢梁柱连接节点在循环荷载作用下的破坏机理和极限变形状态,研究了高强螺栓预紧力,角钢与梁、柱之间的接触压力等节点组件之间的力学特征,对工程设计有重要的参考价值。
Through the experimental study of the prototype of the top-angle steel beam-column connection under cyclic loading and the nonlinear finite element analysis and calculation of the test model, the failure of the top-bottom angle steel beam-column connection node under cyclic loading is analyzed comprehensively Mechanism and ultimate deformation state, the mechanical characteristics between the prestressing force of the high strength bolt, the contact pressure between the angle bar and the beam and the column, etc. are studied, which is of important reference value to engineering design.