公路路堑岩质高陡边坡稳定性评价  

Evaluation of stability of high and steep slope of rock cut road

作　　者：邹祖银[1] 莫忧[1] 陶连金[2] 朱占元[3] 

机构地区：[1]四川农业大学都江堰分校 [2]北京工业大学建筑工程学院,北京100022 [3]四川农业大学信息与工程技术学院,四川雅安625014

出　　处：《黑龙江科技学院学报》2008年第3期172-175,共4页Journal of Heilongjiang Institute of Science and Technology

摘　　要：某省道高等级公路K93＋946—K94＋082段路堑高陡边坡工程地质条件十分复杂,边坡稳定性较差。以工程地质调查成果为基础,深入分析了影响边坡稳定性的主要因素,采用极限平衡法计算了边坡的安全系数。结果表明：该边坡节理裂隙发育,岩体较破碎,边坡开挖后其稳定性较差,须加强支护。对滑面强度参数、滑体密度等参数的敏感性分析发现,抗剪强度参数对边坡的稳定性影响较为敏感。研究结果为下一步的加固设计和施工奠定了基础。Given the complicated geological conditions and greater slope instability adversely affecting cutting operation of the high and steep slope of Provinces Road Highway K93 ＋ 946 - K94 ＋ 082, this paper, based on the results of geological investigations, offers an analysis of main factors adversely affecting the slope stability and the use of limit equilibrium method to calculate the safety coefficient of the slope factor. The results show the necessity of subjecting the slope joint fracture to reinforced supports, due to broken rocks and greater slope instability arising from digging operation. The sensitive analysis of the strength parameters, such as landslide density parameters reveals a more sensitivity of shear strength parameters to the impact of slope stability. The study serves as a foundation for the next phase of reinforced design and construction .

关 键 词：路堑高陡边坡 地质调查 稳定性分析 影响因素 

分 类 号：TU457[建筑科学—岩土工程]