摘要
以上海外环沉管隧道管段沉放对接为例 ,介绍“双三角形”布置锚缆管段平面定位和双浮箱四点竖向吊沉系统及设备 ,简述管段沉放对接工艺流程及测量定位技术 。
Authors of this paper, taking the sinking and jointing of tube sections of the Shanghai Outer-Ring immersed tube tunnel as an example, introduce the plane orientation by the ”double-triangle” mooring system and the double-pontoon four-point vertical hoisting and sinking equipment, brief the process of sinking and jointing and the technique of location surveying, and finally analyze the difficulties encountered in the sinking and jointing of tube sections.
出处
《现代隧道技术》
EI
2004年第5期1-5,11,共6页
Modern Tunnelling Technology
基金
上海市建设技术发展基金项目 (编号 2 0 0 0 0 112 )
关键词
沉管隧道
管段沉放与对接
施工技术
Immersed tube tunnel
Sinking and jointing of tube sections
Construction technique
