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针对萧甬线K78+600基床下沉外挤病害情况,对基床土进行了填料试验和强度检测,分析了产生病害的原因,并采用土工格室结合土工膜封闭的整治措施,从动应力的角度对换填厚度进行了计算分析。
Aiming at the condition of subsidence and sinking of K78 + 600 bed in Xiaoyong line, the filling test and strength test of bed soil were carried out. The causes of the disease were analyzed. The geocell combined with geomembrane sealing treatment was adopted. The thickness of the fill for the calculation and analysis.