以余姚田螺山遗址大跨网壳结构为工程背景，对该工程拱支双层球面网壳结构的设计过程和关键问题进行了探讨，并采用非线性有限元理论对结构进行了稳定性分析。
The design and analysis of the large span steel latticed shell structure located at Yuyao Tianluoshan relic are introduced , and some key problems are dwelled on in this paper .
田螺山遗址