高铁隧道异形拱结构模架支撑体系施工技术

Construction Technology of Formwork Support System for Special-shaped Arch Structure of High-speed Railway Tunnel

针对杭州萧山国际机场三期项目地下空间开发工程中异形拱结构的施工方法进行了设计研究和优化,提出了一种新型的拱形结构模架支撑连接节点形式,并在现场对该设计节点和支撑体系进行了拼装试验。该试验验证了新型连接节点的可行性,总结出了一套可为类似工程提供借鉴的施工方案。

According to the underground space development project of Hangzhou Xiaoshan International Airport Phase Ⅲ project, the construction method of the special-shaped arch structure is designed, researched and optimized. A new type of arch structure formwork support connection joint is proposed, and the assembly test of the design joint and support system is carried out on site. The test verifies the feasibility of the new connection joint, and summarizes a set of construction scheme that can provide reference for similar projects.