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介绍了无砟轨道路基中地基总沉降计算、预测方法以及工后沉降的确定方法,指出经典分层总和法计算路基下地基沉降时采用《建筑基础设计规范》中给定的沉降计算经验系数取值有待验证。
The method of calculating and predicting the total subsidence, the forecasting method and the post-construction subsidence in the ballastless subgrade are introduced. It is pointed out that the classic stratified summation method adopts the empirical coefficient of subsidence calculation given in “Code for Design of Building Foundation” when calculating the subgrade subsidence. Value to be verified.