软土地层联络通道冷冻施工技术研究与应用  

Research and application of freezing construction technology for connection passage in soft soil layer

作　　者：张书旺 

机构地区：[1]中国铁建十六局集团有限公司,北京101100

出　　处：《中国建材科技》2021年第1期120-122,共3页China Building Materials Science & Technology

摘　　要：苏州市某地铁区间隧道联络通道位于赋存微承压水层的(4)2粉砂层、(5)1粘土层中,水资源丰富,施工风险较大。结合工程实际情况,本着安全第一的原则,对冷冻管位置、角度设计及制冷系统等参数进行设定,并采取一系列针对性措施,实现了施工顺利开展。The connecting passage of a subway section tunnel in Suzhou is located in(4)2 silt layer and(5)1 clay layer with micro-confined water layer,which is rich in water resources and has great construction risks.According to the actual situation of the project and the principle of safety first,the parameters such as the position and angle design of the refrigeration pipe and the refrigeration system are set,and a series of targeted measures are taken.The construction process is carried out smoothly and the effect is good.

关 键 词：联络通道 软弱土层 微承压水 冷冻技术 

分 类 号：U455.4[建筑科学—桥梁与隧道工程]