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高速公路路堑边坡软弱夹层高压注浆加固的理论与实践

THEORY AND PRACTICE OF HIGH PRESSURE GROUTING SOLIDIFICATION OF SOFT INTERCALATION OF THE FREEWAY CUT SLOPE

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【作者】 边国强李艳田鲁泉

【Author】 Bian Guoqiaing (Central Institute of Geotechnical Investigation, MMI) Li Yan (Shandong Linyi Highway Institute of Investigation & Design) Tian Luquan (Highway Administration Bureau, Shandong Province)

【机构】 冶金工业部勘察研究总院!河北·保定 071069山东临沂公路勘察设计院!山东·临沂 276000山东省公路管理局!济南市 252000

【摘要】 该文对京沪高速公路(化—临段)某路堑边坡软弱夹层的加固全过程进行了详细介绍。并在对工程地质情况调查的基础上,进行了严密的理论计算,确定了设计方案,实施过程中采用了一项专有技术──“单孔分层多次高压注浆技术”加固了软弱夹层,注浆的同时安装了抗剪锚杆,实现了“锚”和“注”的结合,工程取得成功。

【Abstract】 The paper introduces minutely the whole process of the soft intercalation solidification of a cut slop of Beijing- Shanghai freeway(Hua - Lin section). Also, on the basis of investigating the engineering geological conditions, the rigorous theoretical computation is made and the design scheme is determined. During the process of implementation, a special technique "single hole layering multiple high pressure grouting technique"is adopted to solidify the soft intercalation, and the anti - shear anchor rod is installed simultaneously, which realizes the combination of anchor rod with grouting, and yields positive success of the project.

【关键词】 路堑边坡软弱夹层加固
【Key words】 cut slopesoft intercalationsolidification
  • 【文献出处】 勘察科学技术 ,SITE INVESTIGATION SCIENCE AND TECHNOLOGY , 编辑部邮箱 ,1999年06期
  • 【分类号】U416.1
  • 【被引频次】11
  • 【下载频次】131
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