广东梅河高速公路软基复合处理技术

Composite Treatment Technical Method for Soft Foundation Section of Guangdong Meihe Expressway

在我国滨海平原、内陆湖塘盆地、江河湖海沿岸和山间洼地,均分布着远代或近代沉积的软土地基。随着高速公路的发展,在不良地质路段上修建高速公路是回避不了的现实。软土路基面临着路堤稳定、工后沉降等一系列问题。结合工程实例,对软基处理的必要性进行分析,重点介绍CFG桩+砂桩复合处理软基施工技术。

Soft foundation formed in ancient or recent times are located in mostly terrains such as littoral plains, basins in inland lakes, banks along rivers or intermonts, so it can＇t be avoided to construct expressway on unfavorable geology, and such elements effecting embankment stability, settlement after construction or others should be solved. In this paper, the necessity of treating soft foundation is analyzed and various methods are analyzed and compared, and the composite technical method using CFG ＆ Sand pile for treating soft foundation is reviewed and introduced emphatically on the base of the practical construction.