青长公路分离式立交主桥安装施工线形监控

施工控制是施工技术的重要组成部分,并始终贯穿于桥梁施工中。青长公路分离式立交主桥施工阶段线形控制采用预测控制法,使成桥后的轴线和桥面线形达到设计要求,并且使结构的内力分布与设计理想的内力状态基本吻合,确保了结构的安全和稳定。

Main Structure Erection and Construction Monitoring of Qinchang Highway Separated Interchange

Construction control,throughout the bridge construction,is the important component of the construction technique. Combining with the main structure erection and construction monitoring of grade separation without ramps in Qingchang road,this text uses forecast and control method,the alignment of axial line and bridge deck meet design requirements and force distribution accords with the ideal design force which ensure structure security and stability.