转体施工技术在平顶堡大桥项目中的应用研究

摘要

依托京哈高速公路沈阳至四平段改扩建项目平定堡大桥工程,针对球绞制作、转体系统安装和转体施工中遇到的技术工艺难点进行分析和实践,得出各项控制参数,提出具体控制方案,对转体桥施工进行系统总结,可为东北地区转体桥施工提供参考.%Relying on Pingdingpu bridge engineering of reconstruction and extension project for Shenyang-Siping section of Jingha Expressway, aiming at the analysis and practice on technological technology difficulties in ball-twist manufacturing, rotary system installation and rotary construction, all kinds of control parameters are obtained, specific control schemes are put forward, and systematic summary is made for the rotary bridge construction, so as to provide reference for the rotary bridge construction in northeast region.