大榭第二大桥主桥边跨钢箱梁多点自平衡液压滑移技术  

The multi-point self-balancing Synchronization Hydraulic Sliding Technology for the side spans'steel boxes of the main bridge of the Daxie Second Bridge

作　　者：唐博学[1] 徐敬淼 张彦[1] 狄瑾[3] 

机构地区：[1]广东省长大公路工程有限公司,广州市510620 [2]大榭大桥有限公司,宁波市315812 [3]长安大学,西安市710064

出　　处：《公路》2013年第9期325-330,共6页Highway

摘　　要：大榭第二大桥主桥部分岸上边跨及浅水区边跨,大型船舶无法进入桥位区进行吊装施工,因此边跨及次边跨钢箱梁节段均采用搭设支架后将梁段逐段吊装至支架上然后纵移就位的施工方法。大榭第二大桥主桥钢箱梁支架构造复杂,且钢箱梁需要先纵移后横移,移动距离最长达150m。介绍边跨钢箱梁在复杂支架上长距离滑移关键技术,重点阐述了不规则钢箱梁在复杂支架上长距离滑移施工过程的计算论证及多点自平衡同步液压滑移系统的研发及应用。Some side spans of the Main Bridge of the Daxie Second Bridge are built on the shore and in shallow water, large-scale cargo is unable go to these areas for erection construction, so the steel boxes of the side spans must be slipped to the design position on the frame. The structure of the steel boxes frame is very complicated, and the steel boxes must be slipped along the longitudinal firstly and then slipped along the lateral direction, the maximum moving distance is 150 m. The paper introduces the key technologies of slipping of the steel boxes on the frame, focuses on the long distance slipping computing demonstration of the irregular steel boxes on the frame, as well as the development and application of the multi-point self-balancing Synchronization Hydraulic Sliding System.

关 键 词：钢箱梁 复杂支架 多点自平衡 同步液压滑移技术 

分 类 号：U445.472[建筑科学—桥梁与隧道工程]