普通与正反索张弦梁结构性能对比研究

ANALYSIS ON THE SINGLE WITH PRO AND CON ROPE THE STRING BEAM STRUCTURE

张弦梁结构是一种典型的几何非线性结构,普通单向张弦梁结构由于增加下弦索,在正向荷载作用下受力合理,但在反向荷载(如风吸力)作用下常出现索力松驰而造成结构失效。建立模型应用ANSYS软件进行单索和正反索张弦梁结构的性能分析与比较,获得单索和正反索张弦梁结构在荷载作用下的不同承力性能。

The string beam structure is one typical geometry non - linear structure, ordinary unidirectional the string beam structure because under the increase the stringed musical instruments,the stress are reasonable under the vertical load function, but （ for example wind suction） under the function often appears tension in the reverse load loose to create the structure expiration. This article constitution pro and con rope the string beam structure, using the ANSYS software to deal with the structure performance analyzes and compares.