体内预应力钢屋架张拉成型及内力分布研究  

TENSION FORMING AND INTERNAL FORCE DISTRIBUTION OF INTERNAL-PRESTRESSED STEEL ROOF TRUSS

作　　者：祖青[1] 李彬双[2] 

机构地区：[1]中元国际工程设计研究院,北京100089 [2]北京市市政工程设计研究总院,北京100088

出　　处：《工业建筑》2008年第z1期535-538,624,共5页Industrial Construction

摘　　要：对体内预应力钢屋架的张拉成型过程进行了详细描述并给出相应的力学解释。采用等效降温法借助通用软件ANSYS对体内预应力钢屋架进行张拉成型模拟,研究了结构在成型过程中的变形以及预应力分布情况。The erection process of internal-prestressed steel roof truss is described in detail and its corresponding mechanical interpretation is presented.The erection of internal-prestressed steel roof truss is simulated by using the method of equivalent cooling and software ANSYS.The deformation and internal-force distribution are studied in the tension forming process of structure.

关 键 词：体内预应力钢屋架 等效降温法 张拉成型 

分 类 号：TU394[建筑科学—结构工程]