水气分离抽真空技术在软土地基处理中的应用

Application of Water-gas Separation and Vacuum Technology in Soft Soil Foundation Treatment

针对目前传统软土地基处理真空预压技术存在的问题,以实际工程为依托,选取4个区域,分别采用传统真空预压技术和水气分离抽真空技术进行软土地基处理,并对地基沉降进行分析,对比2种技术的施工成本,总结水气分离抽真空技术要点。研究结果表明,水气分离抽真空技术具有施工效率高、成本低、加固效果好的优点,更适用于大面积围海造地软土地基的处理。

Aiming at the problems existing in the traditional vacuum preloading technology for soft soil foundation treatment,based on actual engineering,four areas are selected,and the traditional vacuum preloading technology and water-gas separation and vacuum technology are used for soft soil foundation treatment. The foundation settlement is analyzed,the construction costs of the two technologies are compared,and the main points of water-gas separation and vacuum technology are summarized. The research results show that the water-gas separation and vacuum technology has the advantages of high construction efficiency,low cost,and good reinforcement effect. It is more suitable for the treatment of soft soil foundation in large-scale sea-surrounding land.