巨型双层网壳小拼单元悬挑法施工内力分析

Internal Force Analysis of Suspending Construction of Small Assembling Units of Huge Double Layer Net-shell

介绍采用小拼单元悬挑法安装直径 12 3m巨型双层球面网壳的施工技术 ,全过程跟踪分析各杆件在施工过程中的内力变化情况及其规律 ,对该施工技术应用于巨型球面网壳结构安装的可行性给予了肯定 ,并指出在确定网壳施工方案时应注意的一些问题。

In this article, the author introduces suspending construction technique of small assembling units of a huge double layer spherical net shell, whose diameter is 123m. The author traced the changes of internal force of every bar in the whole construction procedure, affirms the feasibility of this technique in structure installation of huge spherical net shells, and gives out some aspects which should be paid attention when determining construction plans.