摘要
本文主要介绍了崇启长江大桥主桥钢连续梁大节段整体安装的施工测量控制对水上大跨度构件安装施工中起重船舶定位及移动、吊装过程中的安全监控、精调位控制作了较详细的阐述;并对现场安装误差的消除及控制误差不累积作了叙述,为以后水上进行大型构件安装施工定位提供了可借鉴的技术方法。
This paper has introduced the installation and surveying control of continuous steel beam in Chongqi Yangtze river bridge,we elaborated some main proceedings in the installation of large span component over water,which contains the hoist vessel positioning and mobile,safety monitoring during hoisting process and precise position control.Also,it discussed the elimination of site installation error and how to avoid error accumulation.Finally,it presented some appropriable technology in the installation of large span component over water.
出处
《现代测绘》
2011年第4期8-10,共3页
Modern Surveying and Mapping
关键词
水上
大跨度梁
吊装
测量
over water
long span beam
lift
survey
