自锚式悬索桥大节段钢箱梁吊装线形控制  

The linear control of large segment steel box girder hoisting of self anchored suspension bridge

作　　者：李育萨 周婧 魏家乐 

机构地区：[1]陕西省区域地质矿产研究院,陕西咸阳712000 [2]西安市公路工程管理处,陕西西安710000 [3]陕西通宇公路研究所有限公司,陕西西安710000

出　　处：《山西建筑》2017年第16期164-164,207,共2页Shanxi Architecture

摘　　要：结合大沽河航道桥实桥现场施工情况,提出了大节段吊装架设施工方法的钢箱梁线形控制方法,从工厂拼装线形控制方法、临时墩变形控制法、钢箱梁梁端转角控制法、裸梁线形偏差控制法等方面进行了详细论述,并在全桥钢箱梁架设过程中体系转换各阶段实施了精确控制,该方法可为同类桥梁施工提供借鉴和参考。Combining with the trail bridge site construction situation of Dagu river channel bridge,this paper put forward the steel box girder linear control method,factory assembling linear control method,temporary pier deformation control method,steel box girder beam angle control method,bare girder linear deviation control method and other aspects of large segment hoisting erectioncon struction method,and made detailed discussion,and implementation of accurate control in each stage of full-bridge steel box girder erection process system transformation,this method provided reference for similar bridge construction.

关 键 词：自锚式悬索桥 大节段吊装 钢箱梁拼装架设 线形控制 

分 类 号：U448.1[建筑科学—桥梁与隧道工程]