Abstract

Vacuum-surcharge combined preloading method have been become the most commonly used method on the dredger fill and saturated soft clay soil consolidation beside the coast. The long time of consolidation is one of this method’s most characteristics, as we always think that 3 months is the academic time. In fact, we always can’t accomplish the consolidation of saturated soft clay soil by using vacuum-surcharge combined preloading method in 3 months because of the complex nature of the soil horizon and the effects of the construction technology. The main mission of the article is to supply a substantial time and a reliable basis that are needed by the vacuum-surcharge combined preloading method and the construction period. The main data sources are come from the ground treatment project of a cogeneration power plant in Zhuhai Guangzhou. We adopt the exponential curve fitting method and the method of Asaoka to count the degree of consolidation of the saturated soft clay soil.

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