One resettlement point in Chongqing is in high fill lot, according to the design, the thickness filling after elevation of flat field is about 30m, and the area is about 20 million square meters, including car parks, housing and others in the planning.This article introduces the success story that uses the simple, economical layer filling dynamic compaction to make the foundation bearing capacity and settlement meet the requirements, which can be used as reference for similar projects.This paper mainly discusses the determination of main parameters, such as, tamping energy, layer thickness and so on, and the major technical measures of construction, discusses the method of inspection of strengthening effect and evaluates foundation bearing capacity and settlement.%重庆市桌移民安置点处于高填方地段,按设计标高平场后填方厚度约30m,面积约为20万平米.其内规划有停车场,住宅等.本文介绍了以简单、经济的回填填土分层强夯处理而使地基承栽力及沉降满足要求的成功案例,可作为同类工程的参考.文中主要阐述了夯击能、分层厚度等主要参数的确定,施工主要技术措施.对加固效果的检查方法进行探讨,对地基承载力、沉降进行了评价.
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