摘要
结合重庆朝天门长江大桥主桥上部结构的结构形式、自然条件及工程特点,从吊装设备、安装起点、悬臂安装防倾覆措施、中跨桁拱与桥面梁系的安装顺序四个方面进行了施工方案比选,最终得出了技术可行、经济合理、安全可靠的施工方案。
Combining with Chongqing Chaotianmen Yangtze River Bridge＇s superstructure＇ s structure form, natural conditions and project characteristics, the author makes construction scheme＇s comparison and selection from four aspects of hoisting equipments, installation starting points, overturn-preventing measures of installation with overhang and the installation procedures of the middle span truss arch and deck beam system, finally obtains technical feasibility, economic and reasonable, safe and reliable construction scheme.
出处
《山西建筑》
2009年第7期316-318,共3页
Shanxi Architecture
关键词
拱桥
施工方案
比选
arch bridge, construction scheme, comparison and selection
