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李帅,王玉兰,朱琦,等. 顺层牵引式路堑滑坡综合整治方案[J]. 科学技术与工程, 2020, 20(1): 303-311.
Li Shuai,Wang YuLan,Zhu Qi,et al.Study on Comprehensive Treatment Scheme of Bedding Traction Cutting Landslide[J].Science Technology and Engineering,2020,20(1):303-311.
顺层牵引式路堑滑坡综合整治方案
Study on Comprehensive Treatment Scheme of Bedding Traction Cutting Landslide
投稿时间:2019-02-13  修订日期:2019-09-12
DOI:
中文关键词:  
英文关键词:Cutting landslide  Cause mechanism  Determination of sliding surface  Stability analysis  Anti-slide pile.
基金项目:
           
作者单位
李帅 山东省交通规划设计院 山东 济南
王玉兰 山东省交通规划设计院 山东 济南
朱琦 山东省交通规划设计院 山东 济南
张伟 山东省交通规划设计院 山东 济南
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中文摘要:
      通过对粤北山区龙怀高速公路K167公路路堑滑坡成因机理进行分析,得出该滑坡是基于区域地质构造揉皱挤压、滑体岩体破碎、滑带土全风化炭质页岩泥化、滑床强~中风化炭质页岩隔水层、路堑开挖坡脚等因素造成的滑塌。本文分析滑坡现状、结合地质资料、参照深孔位移监测数据确定滑体最大厚度为20m、滑坡形态呈近似弧形及滑面位置等。在此基础上,采用GEO-Studio边坡稳定性模块SLOPE/W极限平衡法进行稳定性计算,并采用适当卸载+抗滑桩+锚索框架梁辅以排水措施治理该滑坡。通过2个雨季的考验,变形趋稳,证明该处置措施可行有效。
英文摘要:
      Based on the analysis of the formation mechanism of cutting landslide on K167 highway of Longhuai expressway in northern Guangdong, it is concluded that the landslide is caused by factors such as regional geological structure crumpling and squeezing, sliding body rock mass breaking, fully weathered carbonaceous shale argillization of sliding zone soil, strong to moderately weathered carbonaceous shale water-resisting layer of sliding bed, cutting excavation slope toe, etc. In this paper, the maximum thickness of landslide body is 20m, the shape of landslide is approximate arc and the position of landslide surface is determined by referring to the present situation of landslide and geological data and deep hole displacement monitoring data. On this basis, the stability calculation is carried out by using the SLOPE/W limit equilibrium method of GEO-Studio slope stability module, and the landslide is treated by appropriate unloading, anti-slide pile, anchor cable frame beam and drainage measures. Through the test of two rainy seasons, the deformation tends to be stable, which proves that the disposal measures are feasible and effective.
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