【摘要】 根据房山五渡桥工程施工难点,通过介绍钢框架组合模板的基本原理,提出采用钢框架组合模板技术进行大体积变截面V形墩施工的方案。通过标准件和异形模板组合解决了各支墩施工中高度高、水平倾斜角度大且各不一致的问题。详细介绍了钢框架组合模版V形墩施工流程及方法,以及混凝土的浇筑过程。此项技术取得良好质量和经济效益。更多还原

【Abstract】 The construction difficulties of Fangshan Wudu Bridge are put forward.Based on the formwork basic theory,composite formwork with steel frame is adopted in the large volume V-shaped pier with variable cross-section.The problems of large construction height,large horizontal inclined angle and different angle in each pier are solved by the combination of standardized steel frame and special parts.Construction process and method of composite formwork with steel frame for V-shaped pier and concrete pouring are introduced.The good quality and economical benefits are gained.更多还原