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季冻区旧路改扩建路基加宽技术分析
Analysis of the Sub-grade Widening Techniques Used for Road Reconstruction and Extension in Sectional Frost Zone
【摘要】 对季冻区旧路改扩建工程路基拓宽中,容易出现破坏现象的成因进行了分析,重点结合了季冻区的已建或在建的改扩建工程的施工经验,对季冻区的路基拓宽的特殊性进行了技术分析。
【Abstract】 This paper analyzed the reasons for the frequently occurring of road damaged phenomena in sub-grade widening for the used road reconstruction and extension project in sectional frost zone.It attempted to make technological analysis on the special features in sub-grade widening in sectional frost zone,combined with the construction experience in the finished or a on-going-building road reconstruction and extension project in sectional frost zone.
【关键词】 旧路改扩建;
路基加宽;
不均匀沉降;
冻胀;
土工合成材料;
【Key words】 used road reconstruction and extension; sub-grade widening; asymmetric sedimentation; frost heave; civil engineering synthetic material;
【Key words】 used road reconstruction and extension; sub-grade widening; asymmetric sedimentation; frost heave; civil engineering synthetic material;
【基金】 东北林业大学工程设计、监理科研基金项目
- 【文献出处】 森林工程 ,Forest Engineering , 编辑部邮箱 ,2007年03期
- 【分类号】U416.1
- 【被引频次】3
- 【下载频次】84