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真空动力固结地基处理工法是综合了排水固结法和动力固结法(强夯法)的优点形成的加固软土地基的新工艺,实质是真空降水+低能量强夯法。真空动力固结工法在南方已经有了很多应用,在北方的应用实践才刚开始,有待更深刻地研究。本文详细地介绍了真空动力固结地基处理工法的机理、施工工艺、适用范围和优缺点,旨在推广真空动力固结工法在北方的应用。另外,每一种工法都有它的合理适用范围,要科学地根据岩土工程特性和场地周围环境等具体实际情况,优选工法,优化施工参数,达到“科学发展”的目的。
Vacuum dynamic consolidation ground treatment method is a combination of drainage consolidation and dynamic consolidation (dynamic consolidation method) the advantages of the formation of new technology to strengthen soft soil foundation, the essence of vacuum precipitation + low dynamic compaction method. The vacuum-dynamic consolidation method has already had a lot of applications in the south. The application and practice in the north have just begun and needs to be studied more deeply. This paper introduces in detail the mechanism, construction technology, application scope, advantages and disadvantages of vacuum dynamic consolidation ground treatment method, and aims to promote the application of vacuum dynamic consolidation method in the north. In addition, every construction method has its reasonable scope of application. It is necessary to scientifically optimize the construction parameters according to the actual conditions of the geotechnical engineering and the surrounding environment of the site so as to achieve the purpose of “scientific development”.