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

doi:10.13686/j.cnki.dzyzy.2022.02.010

Geology and Resources > 2022 > 31(2): 201-205, 220. > DOI: 10.13686/j.cnki.dzyzy.2022.02.010

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. DOI: 10.13686/j.cnki.dzyzy.2022.02.010

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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

Mudanjiang Center of Natural Resources Comprehensive Survey, CGS, Mudanjiang 157000, Heilongjiang Province, China

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Received Date: April 21, 2021
Revised Date: July 12, 2021
Available Online: December 28, 2022
Published Date: April 24, 2022

Graphical Abstract

Abstract

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.
- rock mass grade,
- rock mechanics,
- slope stability,
- metamorphic rock group,
- Liaoning Provinc

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References

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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