Static analysis of single truss string and dynamic response of broken cable

Lulu Qian; Hongming Li; Baijian Tang; Junhui Hou; Dan Xie

doi:10.1117/12.2652576

10 November 2022 Static analysis of single truss string and dynamic response of broken cable

Lulu Qian, Hongming Li, Baijian Tang, Junhui Hou, Dan Xie

Proceedings Volume 12331, International Conference on Mechanisms and Robotics (ICMAR 2022); 123312J (2022) https://doi.org/10.1117/12.2652576
Event: International Conference on Mechanisms and Robotics (ICMAR 2022), 2022, Zhuhai, China

Abstract

Tension string truss structure is a hybrid prestressed structure system combining hardness and flexibility. It has many advantages, such as self balancing function, large stiffness, beautiful shape, wide applicability. Prestressed cable is the most important source of bearing capacity, and the failure of cable will have a disastrous impact on the structure. In order to study the influence of prestressed cable fracture on the structure of tension string truss structure, based on typical cases, the structural response of cable fracture failure is studied by finite element analysis method. The results show that after cable failure, the remaining structure will reach equilibrium on the new transmission path after internal force redistribution. Initial prestress and broken cable holding time have little effect on it. The restraint form of the support is a fixed support at one end. When one end can slide, the structure is safer.

Citation Download Citation

Lulu Qian, Hongming Li, Baijian Tang, Junhui Hou, and Dan Xie "Static analysis of single truss string and dynamic response of broken cable", Proc. SPIE 12331, International Conference on Mechanisms and Robotics (ICMAR 2022), 123312J (10 November 2022); https://doi.org/10.1117/12.2652576

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