南京长江三桥钢索塔立式匹配预拼装测量技术  

Technology of the Steel-Pylon's Vertical Matching and Pre-fixing Survey of Nanjing Third Yangtze River Bridge

作　　者：陈光保[1] 杨彪 

机构地区：[1]河海大学土木工程学院,南京市210098 [2]贵州省水利水电勘测设计研究院,贵阳市550002

出　　处：《勘察科学技术》2008年第1期47-51,共5页Site Investigation Science and Technology

基　　金：江苏省交通科学研究计划项目(05Y01);江苏省交通科学研究计划项目(06B01)

摘　　要：南京长江三桥为我国首座采用钢索塔的特大型斜拉桥。针对钢索塔立式匹配预拼装,研究了微型控制网构建、测量点选择、匹配温度控制、立式匹配检测、钢索塔节段轴线偏差控制的方法,获取了已匹配钢索塔节段的状态,达到了指导后继节段加工和桥位施工现场钢索塔拼装的目的,取得了较好的效果。Nanjing Third Yangtze River Bridge is the super-huge cable-stayed bridge in China which first applied in the construction of steel-pylon. Aimed at the technology of steel-pylon＇s vertical matching and pre-fixing, the survey and data processing methods are discussed including the establishment of miniature control network, the choice of surveying point, temperature surveying, detect of vertical matching, the axis deviation of steel-pylon＇s section and so on. The state of assembled steel-pylons is got, which can direct the manufacturing of following sections and the assembly in the construction site. The technology of the steel-pylon＇s vertical matching and pre-fixing survey gets good effect.

关 键 词：特大桥 钢索塔 立式匹配 预拼装测量 

分 类 号：U445.4[建筑科学—桥梁与隧道工程] U443.38[交通运输工程—道路与铁道工程]