强夯在表层填土下卧深厚淤泥地基处理中的应用

Application of heavy tamping for reinforcement of ground with deep silt under filling

珠海地区填海造地方法主要为围堰吹填淤泥后表层回填开山土石,但造陆以后表层填土成分不均匀,下卧淤泥层深厚,地基承载力低,不能直接利用,必须对其进行地基处理。论述4种地基处理方法在珠海沿海表层填土下卧深厚淤泥场地的应用,并采用载荷试验等多种方法进行检验。结果表明,其中3种处理方法均能使表层回填土达到设计的350 kPa荷载要求,为表层填土下卧深厚淤泥层场地地基处理的方法应用和处理效果检测提供了借鉴。

Ground carrying capacity is weak to use after hydraulic reclamation at Zhuhai. So the ground should be reinforced. The article discusses four different methods for ground reinforcement. The result shows that by 3 of the methods, the ground carrying capacity could be increased to 350 kPa.