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中文摘要：
张弦梁结构为典型的平面杂交空间结构,适合用于实际的屋盖结构如航站楼、会展中心、体育场馆等.然而遗憾的对于该种结构理论和试验研究、规范和规程的修订却并不十分完善.本文从张弦梁结构的计算参考构形出发,对张弦梁的计算分析理论,形状确定问题即找形和找力分析如竖杆内力的确定、索曲线形状设计等若干问题做了讨论,特别对于张弦梁结构的找形问题即索曲线形状确定问题,本文方法简单方便可手算完成.
英文摘要：
Beam-String Structures are a typical planar hybrid spatial structures.It has been popularly used in practical roof system of airport terminals,exhibition centers and sports arenas in recent years in China.However it is really a pity that the theoretical and experimental research,the corresponding provisions in current Chinese codes of practice are not keeping steps with the practical engineering.In general shape determination problem including force finding analysis and form finding analysis,the curve shape of the lower cable of Beam-String Structures has not been well investigated.The present paper starts with the discussion of the reference configuration for computational analysis of Beam-String Structures.Emphasis is put on a systematical computational analysis of this kind of structures in practical engineering.A novel strategy for shape determination that can be conducted conveniently in computation or even by hand is put forward.Further work on beam-string structures is suggested.
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Simple approach for force finding analysis of circular Geiger domes with consideration of self-weigh
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Tensegrity structures with buckling members explain nonlinear stiffening and reversible softening of
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