双圆盾构近距离下穿原水管渠施工技术  

Double Circle Shield Tunneling under Raw Water Culvert

作　　者：徐敏 

机构地区：[1]上海市原水股份有限公司,上海工程师200080

出　　处：《城市轨道交通研究》2006年第6期71-72,共2页Urban Mass Transit

摘　　要：介绍了国内首次双圆盾构下穿原水管渠工程的特点和采取的调整盾构施工参数、对土体注浆等有关措施。施工结果表明,处理措施是有效的,原水管渠的扰动位移始终保持在允许值20mm以内。As for the first case of double circle shield tunneling under raw water culvert in our nation, there are many difficulties to be overcome. Based on the characteristics of the project, construction technique like adjusting construction parameters of double circle shield and consolidating the ground are adopted. The results of the construction show that the countermeasures are efficient.

关 键 词：城市轨道交通 双圆盾构 管线保护 施工技术 

分 类 号：U455.43[建筑科学—桥梁与隧道工程]