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Sensitivity Analysis of Slope Stability Influencing Factors Based on GRA-AHP Combined Range Analysis Composite Algorithm
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Li ZHAO1, Zhengguo LI1, Dengfeng SU1, Banghong CHEN1, Renjun TIAN2
Mining and Metallurgical Engineering | 2024, 44(1) : 31 - 34
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Mining and Metallurgical Engineering | 2024, 44(1): 31-34
• MINING •
Sensitivity Analysis of Slope Stability Influencing Factors Based on GRA-AHP Combined Range Analysis Composite Algorithm
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Li ZHAO1, Zhengguo LI1, Dengfeng SU1, Banghong CHEN1, Renjun TIAN2
Affiliations
  • 1.School of Environment and Resources, Southwest University of Science and Technology, Mianyang 621000, Sichuan, China
  • 2.Sichuan Occupational Safety and Health Association, Chengdu 610012, Sichuan, China
Published: 2024-02-01 doi: 10.3969/j.issn.0253-6099.2024.01.007
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The single application of analytical hierarchy process (AHP) and grey relational analysis (GRA) algorithm is always affected by some subjective factors, leading to great deviation between the obtained evaluation result and the actual result. In view of this problem, a composite algorithm based on an integrated range analysis with GRA and AHP was proposed. Then, a phosphate mine in the southwest China was taken as an example, and this algorithm was adopted to analyze the sensitivity of factors, including gravity, internal friction angle, cohesive force, elastic modulus and Poisson's ratio, to the stability of slope in the Area A. The results show that the sensitivity of those influencing factors to the slope stability in Area A is in the following descending order: internal friction angle, cohesive force, gravity, elastic modulus, Poisson's ratio. It is found that the analysis result is consistent with the actual situation of the mine.

slope stability  /  influencing factors  /  sensitivity  /  orthogonal test method  /  grey relational analysis (GRA)  /  analytic hierarchy process (AHP)
Li ZHAO, Zhengguo LI, Dengfeng SU, Banghong CHEN, Renjun TIAN. Sensitivity Analysis of Slope Stability Influencing Factors Based on GRA-AHP Combined Range Analysis Composite Algorithm[J]. Mining and Metallurgical Engineering, 2024 , 44 (1) : 31 -34 . DOI: 10.3969/j.issn.0253-6099.2024.01.007
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Year 2024 volume 44 Issue 1
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Article Info
doi: 10.3969/j.issn.0253-6099.2024.01.007
  • Receive Date：2023-08-25
  • Online Date：2026-03-20
  • Published：2024-02-01
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  • Received：2023-08-25
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Affiliations
    1.School of Environment and Resources, Southwest University of Science and Technology, Mianyang 621000, Sichuan, China
    2.Sichuan Occupational Safety and Health Association, Chengdu 610012, Sichuan, China
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Citations
表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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