地连墙未隔断承压含水层判断与加固技术
On the Judgment of the Diaphragm Retaining Wall Being Unable to Separate the Confined Water Stratum and Consolidating Techniques Against It
  
中文关键词:深基坑  地连墙  承压水  降水试验  袖阀管
英文关键词:deep foundation pit  diaphragm retaining wall  confined water  dewatering test  mini-valve pipe
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作者单位
王磊 中铁建南方建设投资有限公司广东深圳518110 
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中文摘要:
      地铁车站深基坑施工过程中,受承压水的影响,可能出现突涌、周边管线和建筑物下沉。通过地质补勘、降水试验、施工监测判断地连墙未隔断承压含水层,并通过袖阀管注浆加固,确保了基坑开挖和周边环境的安全。为类似工程施工积累了一定的经验。
英文摘要:
      In the course of the construction of the deep foundation pits for subway stations, there may be sudden inrushing and the sinking of peripheral pipelines and buildings caused by the impact of confined water.In this paper,the supplementary hydrogeological survey, dewatering tests and the monitoring of the construction are used for judging the diaphragm retaining wall being unable to separate the confined water stratum,and grouting with mini-valve pipes for consolidation,as a result of which the security of both the excavation of the foundation pit and the surroundings of the project is ensured.The project helps to accumulate experience for the construction of other similar projects.
王磊.地连墙未隔断承压含水层判断与加固技术[J].国防交通工程与技术,2017,15(4):42~46,80
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