深埋泵站冻结施工的冻土帷幕设计及冻结效果分析  

Analysis of Freezing Curtain Design and Freezing Effects on Deep-buried Pump Station

作　　者：王跃[1,2] 徐兵壮[1,2] 王翔[1,2] 张基伟[1,2] 

机构地区：[1]天地科技股份有限公司建井研究院,北京100013 [2]北京中煤矿山工程有限公司,北京100013

出　　处：《城市轨道交通研究》2016年第3期109-113,共5页Urban Mass Transit

摘　　要：对上海轨道交通某站区间联络通道深埋泵站冻结施工参数进行调整,通过有限元法验算,以确保对泵站进行冻结施工过程达到合理的安全系数。对冻土帷幕厚度、不同位置冻结帷幕平均温度、卸压孔压力变化以及探孔情况等内容进行监测研究,检验冻结帷幕设计的合理性,最终对冻结帷幕的冻结效果进行评价。The freezing design parameters of deep-buried pump station in a contact channel between sections of Shanghai rail transit are adjusted, through finite element calculation the horizontal freezing construction is ensured to be conducted for the pump station under reasonable and safe parameters. In this paper, the thickness of the frozen soil curtain, everage freezing temperature at different places, pressure changes of the pressure relief hole, situa- tions of exploration holes and other contents are studied, in order to check up the rationality of the freezing curtain de- sign, and finally make a scientific evaluation on the freez- ing effect of freezing curtains.

关 键 词：地铁 深埋泵站 冻结帷幕设计 冻结效果 

分 类 号：U231.3[交通运输工程—道路与铁道工程]