复杂条件下隧道联络通道冻结施工设计与实践

Design and practice of freezing method applied to connected aisle in tunnel under complex conditions

摘要: 介绍了我国首个江底隧道联络通道冻结工程的设计、施工监测等情况。对冻结系统盐水温度、冻结帷幕土体温度、冻胀压力、隧道变形等方面的监测结果进行分析研究,获得了冻结盐水温度、冻土温度、冻胀压力、隧道变形的变化规律,保证了工程的信息化施工。冻结法在该类工程中应用效果良好。

Abstract: Design of freezing method and construction monitoring in the construction of the connected aisle project in the tunnel was introduced.During the construction,the temperatures of salty water and frozen soil,the frost-heave force and the deformation of tunnel liner were surveyed.The variations of the surveyed results were examined.Information-construction had been assuranced.Good effects of freezing method were obtained in the project.