广州地铁杨体区间饱和含水砂层施工  

Construction under Saturated Sand Layer in Yangqi-Tiyuwilu Section of Guangzhou Metro

作　　者：张民庆[1] 卓越[1] 韩忠存[1] 黄平先 宋建平 欧崇善 

机构地区：[1]铁道部隧道工程局科研所 [2]铁道部隧道工程局二处

出　　处：《世界隧道》1998年第6期53-56,共4页

摘　　要：本文主要介绍了广州地铁杨体区间饱和含水砂层段采取洞内长短管相结合的注浆技术,地表垂直注浆和洞内短管补充注浆相结合的注浆技术,达到了固砂堵水目的。同时针对不同部位地层采取人工开挖和弱爆破施工,顺利地通过了该地段。This paper mainly describes the grouting technology of combining long pipe with short pipe . vertical grouting and compensation grouting with short pipe in order to fix sand and block up water during the construction under saturated sand layer in Yangqi-Tiyuwilu section of Guangzhou Metro. Meanwhile hand excavation and weak explosion have been taken according to different ground condition . So it has fi-nally passed this section smoothly .

关 键 词：地铁暗挖区间 饱和含水砂层 施工 隧道 

分 类 号：U455.4[建筑科学—桥梁与隧道工程]