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本文以云奉高速公路B4合同段奉节东特高筑填路堤为例,通过不同施工筑填阶段、不同工况的数值模拟计算,得出了以碎石土为主要筑填材料的该特高筑填路堤的变形特点及其规律,同时计算了填筑体在不同压实度下的变形情况,分析了不同压实度对高筑填路堤变形特性的影响,其结论对该特高筑填路堤的设计施工、变形监测、稳定性分析等有重要的参考意义。
Taking Fengjie Dongte high embankment of Fengjie B4 contract section of Yun-Feng Expressway for example, this extra-high embankment with embankment soil as the main filling material is obtained by numerical simulation of different conditions of construction filling stages and different conditions. Deformation characteristics and regularity of embankment are also calculated. Meanwhile, the deformation of the embankment under different compaction degrees is calculated and the effect of different compaction degree on the deformation characteristics of embankment with high embankment is analyzed. Embankment design and construction, deformation monitoring, stability analysis have important reference value.