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

doi:10.13686/j.cnki.dzyzy.2022.02.010

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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.

Key words： rock mass grade rock mechanics slope stability metamorphic rock group Liaoning Provinc

Received: 22 April 2021

PACS:	P642
	TU45

Corresponding Authors: 任传涛(1986-),男,工程师,主要从事固体矿产勘查及基础地质调查工作,通信地址黑龙江省牡丹江市东安区卧龙街45号,E-mail//153390803@qq.com E-mail: 153390803@qq.com

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	YAN Xiang-jin
	HUANG Wei
	REN Chuan-tao

Cite this article:

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): 201-205,220.

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http://manu25.magtech.com.cn/Jweb_dzyzy/EN/10.13686/j.cnki.dzyzy.2022.02.010 OR http://manu25.magtech.com.cn/Jweb_dzyzy/EN/Y2022/V31/I2/201

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