ANALYSIS OF SLOPE STABILITY BASED ON ROCK MASS QUALITY GRADE EVALUATION: A case study of Xiahekou-Lagushao road section in Kuandian area of Liaoning Province
YAN Xiang-jin, HUANG Wei, REN Chuan-tao
Mudanjiang Center of Natural Resources Comprehensive Survey, CGS, Mudanjiang 157000, Heilongjiang Province, China
Abstract：The rock mass quality is divided into different grades on the basis of qualitative analysis of rock mass quality and quantitative analysis of related indexes. According to the different quality grades, the slope stability along Xiahekou-Lagushao road section is analyzed by rock mechanical properties. The results show that the joints of intrusive rock group (quartz monzonite, quartz syenite) and metamorphic rock group (migmatite) have minor influence on the slope instability failure. The weathering and poor integrity of metamorphic rock mass (gneiss) reduce the slope stability. The weathering degree, integrity degree, structural characteristics, occurrence and extensibility of structural planes are the major factors affecting the slope stability, with multiple modes of slope failure and degree.
颜翔锦, 黄伟, 任传涛. 基于岩体质量等级评价的边坡稳定性分析——以辽宁宽甸地区下河口—拉古哨路段为例[J]. 地质与资源, 2022, 31(2): 201-205,220.
YAN Xiang-jin, HUANG Wei, REN Chuan-tao. ANALYSIS OF SLOPE STABILITY BASED ON ROCK MASS QUALITY GRADE EVALUATION: A case study of Xiahekou-Lagushao road section in Kuandian area of Liaoning Province. GEOLOGY AND RESOURCES, 2022, 31(2): 201-205,220.
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