Spot test of consolidation settlement of soft clay foundation

The settlement transformation and difference settlement are the key factors that affects the highway engineering quantity.In order to speed the settlement of foundation during the construction and reduce the settlement after construction,the soft clay foundation of Dazhou-Chongqing freeway is treated with plastic drain straps.The settlement is observed and the rule of settlement is gained.At the same time the pore-pressing is observed and the rule of pore-pressing is found.The test result expresses that this method can speed the settlement velocity, shorten the time of prepressing,expedite the construction velocity and reduce settlement transformation and difference settlement.4 tabs,12 figs,9 refs.