【摘要】 根据施工期路堤填土厚度、沉降实测数据建立了一种新的工后沉降预测模型,并从土力学角度分析了该预测模型的物理意义;针对不同的软土地基深度、路堤高度和工后沉平控制时间,导出了路堤预抛高计算公式.结合工程实例,将计算的工后沉降、预抛高量与工后实测沉降进行了比较分析,验证了该计算方法的可行性.更多还原

【Abstract】 Based on measured data of fill thickness of embankment and settlement during the construction period,a new model for prediction of post-construction settlement was set up,and the physical meaning of the model was analyzed from the angle of soil mechanics.Then formulas for calculation of the presetting flip-height were worked out for different thicknesses of soft foundation,different heights of embankment,and different control time of post-construction settlement.The feasibility of the calculation method was verified by comparison of the calculation result of post-construction settlement and presetting flip-height with the measured data of a practical project.更多还原