| 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 |
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| 引用本文： | 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. |
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| 作者姓名： | 颜翔锦 黄伟 任传涛 |
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| 作者单位： | 中国地质调查局 牡丹江自然资源综合调查中心, 黑龙江 牡丹江 157000 |
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| 基金项目： | 中国地质调查局军民融合地质调查项目 |
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| 摘 要： | 在对岩体质量定性分析及相关指标定量分析的基础上, 将岩体质量分为不同级别. 根据岩体的不同质量等级, 通过岩石力学性质分析了下河口-拉古哨路段边坡的稳定性. 结果表明: 侵入岩组(石英二长岩、石英正长岩)和变质岩组(混合岩)岩体节理对边坡失稳破坏的影响较小; 变质岩组(片麻岩)岩体的风化程度和完整程度降低了边坡的稳定程度. 风化程度、完整程度、结构特征、结构面产状及延伸性是影响边坡稳定性的主要原因, 边坡破坏方式和程度可能出现多种模式.
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| 关 键 词： | 岩体质量等级 岩石力学 边坡稳定性 变质岩组 辽宁省 |
| 收稿时间： | 2021-04-22 |
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 |
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| 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[J].Geology and Resources,2022,31(2):201. |
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| Authors: | YAN Xiang-jin HUANG Wei REN Chuan-tao |
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| Institution: | Mudanjiang Center of Natural Resources Comprehensive Survey, CGS, Mudanjiang 157000, Heilongjiang Province, China |
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| 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. |
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| Keywords: | rock mass grade rock mechanics slope stability metamorphic rock group Liaoning Provinc |
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