首页> 中文期刊> 《兰州理工大学学报》 >带有支撑的钢筋混凝土梁柱节点受力性能

带有支撑的钢筋混凝土梁柱节点受力性能

         

摘要

Using finite element analysis software ABAQUS, the beam-column joint with support was computed simulatively, the stress distribution and deformation of the beam-column joint were analyzed and compared in the case with different embedded parts, and the kinetic performance of joint combination with different parameters was analyzed Meanwhile, the calculation results of beam-column joint with or without support were compared and the influence of the support on the stress distribution in the beam-column joint was analyzed and compared The result showed that the influence of various constructional manner of the embedded parts on the stress distribution, cracks, and deformation of the beam-column joint was comparatively obvious, and the fourth option was more reasonable; as the thickness of the embedded parts and diameter of anchor rib increased, the axial forces in the support would increase. Beam-column joint with support would effectively decrease the stress in the joint, making a plastic hinge on the beam.%利用ABAQUS有限元分析软件,对带有支撑的梁柱节点进行模拟计算,分析比较不同预埋件时梁柱节点应力分布与变形情况;对不同参数变化的节点组合体受力性能进行分析;同时,对节点是否带有支撑的计算结果进行对比,分析比较支撑对梁柱节点应力分布的影响.结果表明:预埋件构造方式的不同对梁柱节点应力分布、裂缝、变形影响比较显著,第四种方案较为合理;随着预埋件厚度和锚筋直径增加,支撑轴力均增大;通过在节点处设置支撑,有效地阵低了节点的应力,使梁上产生了明显的塑性铰.

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