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设计了5组试件,研究高强度螺栓分别拧入螺栓球不同深度时的球节点承载能力,分析高强螺栓紧固程度对螺栓球节点破坏模式的影响,量化高强螺栓紧固程度与承载能力的函数关系,为处理钢网架工程中经常出现的高强螺栓紧固不到位的问题提供理论依据,也可为相关规范的修订提供参考。
Five groups of specimens were designed to study the bearing capacity of ball joints when the high strength bolts were screwed into the different depths of the bolt. The influence of the degree of the high strength bolts on the failure mode of the ball joints was analyzed. The influence of the fastening degree and carrying capacity Function relationship, to provide a theoretical basis for handling the problems that steel bolts often fail to be fastened in high-strength bolts, and also provide reference for the revision of relevant norms.