非径向受力单层球面网格结构的弹性静力稳定分析

The Elastic Static Analysis of Single-layer Reticulated Spherical Shell

非径向受力单层球面网格结构是一种新型结构形式,其造型美观,构造简单,能很好地满足建筑学功能要求。但此结构构件的内力呈"涡旋向下"的方式传递,与传统径向受力球面网格的力学性能具有很大不同。论文根据实际工程情况,利用有限元分析软件ANSYS,计算出不同矢跨比、不同加载形式的单层球面网格结构的极限承载力,通过分析这些因素对网壳结构极限承载力的影响,得出非径向受力单层球面网格结构的受力特性,并提出相应的工程设计建议。

Single-layer Reticulated Spherical Shell is a new type of steel structures, who has a good appearance, and a simple structure, which can easily meet the requirements of architecture. However, the internal force transmits differently from common spherical shells. According to the engineering practice, we got the limit beating capacity of Single-layer Reticulated Spherical Shell in different rise-span ratios and different load arrangements with the help ofANSYS. Through the comparis-on of these factors, we got conclusions, and put forward several suggests.