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根据沪苏浙高速公路江苏段软土地基分布情况及特点,分析了不同软土层厚度对路基沉降量和路面最大不均匀沉降量的影响;介绍了由路基不均匀沉降引起的路面结构层内附加应力的分析方法,确定了不均匀沉降量的控制标准;对增加土工格栅和桩体的不均匀沉降处治技术进行了探讨。
According to the distribution and characteristics of soft soil foundation in Jiangsu section of Jiangsu, Jiangsu and Zhejiang Expressway, the influence of different soft soil layer thickness on the subgrade settlement and the maximum uneven settlement is analyzed. The influence of subgrade subgrade settlement on the pavement structure layer Additional stress analysis method to determine the uneven settlement of the control standards; to increase geogrid and pile uneven settlement treatment techniques are discussed.