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张弦梁结构中索锚固节点的强度和合理性直接影响到整个结构的可靠性,在实际工程中通常采用铸钢节点。对某张弦梁结构的铸钢节点进行非线性有限元分析,得到了节点在3倍设计荷载作用下的应力、应变发展过程,以及节点的强度、极限承载力等。为工程设计提供了充分的依据,也为同类工程提供了可参考的技术资料。
The strength and rationality of the cable anchoring node in the string string structure directly affect the reliability of the entire structure. Cast steel joints are usually used in practical projects. The non-linear finite element analysis of the cast steel joints of a certain string girder structure results in the stress and strain development process of the joint under the 3 times design load, as well as the strength and ultimate bearing capacity of the joints. It provides sufficient basis for engineering design and also provides referenced technical information for similar projects.