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首页> 外文会议>GeoShanghai International Conference; 20060606-08; Shanghai(CN) >The Study of Ground and Embankment Treatment Techniques In Road Widening
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The Study of Ground and Embankment Treatment Techniques In Road Widening

机译：道路拓宽地面及路堤处理技术研究

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摘要

Now many expressways are confronted with embankment linking and widening, which cause uneven settlement and pavement cracking along the joint between the old and new roads, especially on soft ground. It is important to systematically analyze the performance of different ground and embankment treatment techniques used in road widening. A numerical model based on plane strain finite element method (FEM) is carried out to analyze the behaviors of embankment and foundation at widening. Four ground and embankment treatment techniques including embankment reinforcement, light weight embankment, cement deep mixing pile and separating wall are compared in their effectiveness through uneven settlement, horizontal displacement, and stress condition. It has been approved that light-weight embankment has the most effectiveness among four treatments.
机译：现在，许多高速公路都面临路堤的连接和拓宽，这会导致新旧道路之间的连接处（特别是在软土地上）的沉降不均匀和路面裂缝。系统分析用于拓宽道路的不同地面和路堤处理技术的性能非常重要。建立了基于平面应变有限元法（FEM）的数值模型，分析了路堤和地基在拓宽过程中的行为。通过不均匀沉降，水平位移和应力条件，比较了路堤加固，轻质路堤，水泥深层搅拌桩和隔墙四种地面和路堤处理技术的效果。轻型路堤在四种处理中最为有效。

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