气枕式ETFE膜结构的找形分析  

Form-finding analysis of ETFE cushions in membrane structures

作　　者：刘开国 

机构地区：[1]中南建筑设计院,湖北武汉430071

出　　处：《空间结构》2009年第4期53-55,59,共4页Spatial Structures

摘　　要：对气枕式ETFE膜结构的找形分析进行了研究.由薄膜理论导得膜结构的微分方程,并采用弹性力学的扭转分析法进行求解.文中给出了矩形、等边六边形、椭圆形、圆形、等边三角形、完整扇形及任意扇形等ETFE气枕的找形计算公式,这些公式对气枕式ETFE膜结构的设计具有一定参考价值.此外,对ETFE气枕的边缘构件进行了分析,并给出了设计建议.This paper presents ferentiating equation of memb a form-finding analysis of rane structures is deduced ETFE cushions in membrane structures. The dif by the membrane theory, and solved by the twist analysis of elastic mechanics. The form-finding formulas of rectangular, equilateral, hexagonal, ellipsoidal, circular, equilatoral triangle, complete fan and arbitrary fan ETFE cushions are given. The presented works are valuable to the design of ETFE cushions in membrane structures. In additon, the brim elements of the ETFE cushions are revealed, from which advices for the design are given.

关 键 词：ETFE膜材 气枕 膜结构 找形分析 

分 类 号：TU353[建筑科学—结构工程]