摘要
依据大跨度网壳结构的几何非线性特性,采用几何非线性有限元技术,按预应力控制网壳变形的原则,并结合武汉体育中心体育馆张弦天穹网壳实际工程,对预应力值的设计做了研究,提出了一种新的预应力方法.该方法具有简便实用,具有明确的物理意义,并在实际工程应用中取得了理想的结果.
A theory of designing prestress based on the principle that prestress cable can control the deformation of reticulated dome structure is presented for the purpose of solving that problem by means of geometrically nonlinear finite element method. The theory proposed has the following merits; easy to use; concision; and its physical meaning is straightforward. A good result is achieved in tensioning cable of reticulated dome structure of Wuhan Sports Center Gymnasium Project.
出处
《武汉大学学报（工学版）》
CAS
CSCD
北大核心
2006年第2期119-122,共4页
Engineering Journal of Wuhan University
关键词
网壳结构
预应力
水平推力
几何非线性
reticulated shell structure
prestress
horizontal reaction
geometry nonlinearity
