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中文摘要：
张弦梁结构是由弦、撑杆和抗弯受压构件组合而成的新型结构体系,是通过在弦中施加预应力来改善抗弯受压构件受力性能的自平衡体系.张弦梁结构的垂跨比、矢跨比、撑杆数目、横索数目、弦的预应力和结构的整体倾角等参数对其受力都有一定的影响.而随着张弦梁结构的大量应用,对其地震作用研究也越来越重要.为此,本文应用大型有限元软件ANSYS对张弦梁结构的地震响应进行了空间非线性时程反应分析,详细讨论垂跨比、高跨比、撑杆数目、横索数目、弦的预应力和结构的整体倾角等参数以及行波效应对张弦梁结构地震响应的影响,以供工程设计参考.
英文摘要：
Beam string structures are a new type of space structure, which composed of strings, struts and moment-resistant elements such as beams and, arches. The structure system has been kept self-balance. The static and dynamic performance of beam string structure （BSS） has been affected by parameters including the rise-span ratio, sag-span ratio, number of struts, number of lateral string, pre-stress of string and oblique angle. With the development and application of BSS, the investigations on the seismic response of BSS have been played a more important role. The 3-D nonlinear time history analyzed for the earthquake response of BSS is analyzed using the finite element software ANSYS. The effects of variable parameters and traveling wave effect on seismic response of BSS are discussed in detail here, which can be a reference for project design.
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