三轴深层搅拌桩加固深基坑被动区土体的应用研究摘要.doc

三轴深层搅拌桩加固深基坑被动区土体的应用研究

[提要]本文就被动区土体加固技术在软土深基坑开挖中的应用作了介绍，并对南京河西地区某地铁深基坑采用三轴深层搅拌桩加固被动区土体的工程实践进行研究，得出了对工程设计和施工有很好的指导作用的结论。
[关键词]基坑开挖 被动区土体加固 三轴深层搅拌桩

Application Study ON Tri-Axial Deep Stirring Pile in Reinforcing of Soil of Foundation Trench at Passive Area

Abstract：This paper recommended the application of reinforcing of passive area soil in soft soil excavation in foundation trench, and researched the example of the tri-axial deep stirring pile reinforcing the soil in passive area, arriving at a conclusion for the project construction and design.
Key words： foundation trench excavation,reinforcing soil in the passive areas, tri-axial deep stirring pile