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土的固结度是排水距离、固结时间和固结系数的函数。通过对现场试验结果的分析,说明了对于渗透系数小的土层,排水距离对预压效果起着主导作用,而对于渗透系数大同时排水距离也大的土层,预压时间又成为影响预压效果的主要因素。
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The degree of consolidation of soils is the function of water discharging distance,duration and coefficient of consolidation.The analysis of the field experiment results showed that, for soil layers with lower permeability coeffcient, the water discharging distance affects greatly the effect of surcharge fill preloading, but for soil layers with higher permeability as well as longer water discharging distance, the duration of surcharge fill preloading will become the significant factor affecting the result of surcharge fill preloading.
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