高速公路软土地基沉降预测方法现状探讨

沉降预测是修建在软土地基上的高速公路迫切需要解决的问题.概述了现有的各种传统和新的沉降预测方法,并分析各预测方法的优缺点,指出影响各预测方法精度的主要因素有交通荷载及超载、软土路基沉降变形机理,以及沉降观测数据典型性与采集时间序列长度.通过比较分析表明,有限元方法在沉降计算时的独特优势越来越明显,用有限元方法来预测软土...

Summary of Forecasting Methods of Expressway Settlement on Soft Clay Subgrade

The settlement prediction of expressway constructing on soft clay subgrade is a urgent problem to be solved.Traditional and new forecasting methods of expressway settlement are illustrated,and the advantages and disadvantages of each forecasting methods are analyzed,it is pointed that the main factors that affecting the accuracy of the prediction methods includes traffic load and overload,the mechanism of the deformation of soft soil subgrade,the length of the time series and how typical are the observation...