狭窄地域钢结构工程施工方案优选

Selection of Construction Schemes for Steel Structure Projects Located in Narrow Space

通过某广场大跨度屋面改造的施工实践,重点介绍了钢结构大梁安装施工方案甄选要点、工艺流程及定点吊装、变轨滑移施工技术,对施工场地极其狭窄等限制条件下的钢结构改造工程具有借鉴意义。

Through the construction practice of long-span roof reconstruction in a certain square, this article introduced the key points for installation and construction scbeme of stecl structural beam, construction procedure, fixed-point lifting installation, and gauge-changeable sliding construction technology, which could provide guidance for construction of steel structure projects located in narrow space.