土工基础

›› 2014, Vol. 28 ›› Issue (2): 5-08.

• 工程实录 • 上一篇    下一篇

武汉市某基坑支护分析

孙 海1，任建星2   

  1. （1.中冶集团武汉勘察研究院有限公司，武汉 430060；2.湖北省建筑科学研究设计院 ，武汉 430070）
  • 收稿日期:2014-01-08 出版日期:2014-04-21 发布日期:2014-04-25
  • 作者简介:孙海（1981-），男，工程师，大学本科学位，研究方向为岩土工程。

Analysis of a Deep Excavation Site at Jiangan

SUN Hai1,REN Jiangxing2   

  1. (1.Wuhan Surveying-Geotechnical Research Institute Co., Ltd. of MCC，Wuhan, 430060;
    2.Hubei Provincial Academy of Building Research and Design, Wuhan 430070)
  • Received:2014-01-08 Online:2014-04-21 Published:2014-04-25

摘要： 介绍了武汉市江岸区某基坑的基本地质条件，通过对比分析武汉市常用的基坑支护方法，最终确定了采用水泥土重力式挡墙结合被动区加固的方法进行基坑支护，基坑设计计算满足了规范的要求。通过围护施工的组织设计，取得了经济适用、安全可靠等实际效果，得出了几点体会，对类似工程有借鉴作用。

关键词: 深厚软土, 水泥土搅拌桩挡土墙, 被动区加固, 施工, 监测

Abstract: This paper introduces the site geotechnical properties of a deep excavation project in Jiangan, Wuhan. Several common excavation supporting methods were compared and the gravity retaining walls consisting of cement mixed soil columns with the reinforcement of passive zone are selected. The results indicate that the design meet the code requirements. The project shows that the selected method has advantages of cost effective and safe construction. The construction recommendations are proposed in the paper.

Key words: Thick Soft Soils, Cement Mixed Column Retaining Wall, Passive , Strengthening, The construction technology；Monitoring