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Causes and Management Scheme of Slope Collapse at Bench Merging Section in Open-Pit Mines
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Yang LIU1, Jing LI2, Changsuo ZHANG1, Ke JIANG3
Mining and Metallurgical Engineering | 2025, 45(3) : 29 - 34
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Mining and Metallurgical Engineering | 2025, 45(3): 29-34
• MINING •
Causes and Management Scheme of Slope Collapse at Bench Merging Section in Open-Pit Mines
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Yang LIU1, Jing LI2, Changsuo ZHANG1, Ke JIANG3
Affiliations
  • 1.BGRIMM Technology Group Co., Ltd., Beijing 100160, China
  • 2.School of Resource and Environmental Engineering, Wuhan University of Science and Technology, Wuhan 430081, Hubei, China
  • 3.Changsha Institute of Mining Research Co., Ltd., Changsha 410012, Hunan, China
Published: 2025-06-01 doi: 10.3969/j.issn.0253-6099.2025.03.005
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As for the slope collapse at bench merging section in an open-pit mine, engineering geological analysis, analysis with stereographic projection and mechanical analysis were employed to comprehensively explore the main factors inducing slope collapse. Based on the causes and instability characteristics of slope collapse, a management scheme was proposed and thoroughly demonstrated. The results show that the collapse of bench slope occurs under the combined effects of rainfall infiltration and excavation at bench merging section, and induced effects of rock mass properties and weathering fracture surfaces. A management scheme of “gravity retaining wall foot pressure + gravel soil backfilling + shotcrete and rock bolt support” was proposed. The overall stability coefficient of the slope after management is 1.39, meeting the safety standard requirements.

open-pit mine  /  slope stability  /  bench merging section  /  slope collapse  /  gravity retaining wall  /  shotcrete support  /  management scheme  /  rainfall infiltration
Yang LIU, Jing LI, Changsuo ZHANG, Ke JIANG. Causes and Management Scheme of Slope Collapse at Bench Merging Section in Open-Pit Mines[J]. Mining and Metallurgical Engineering, 2025 , 45 (3) : 29 -34 . DOI: 10.3969/j.issn.0253-6099.2025.03.005
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Year 2025 volume 45 Issue 3
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Article Info
doi: 10.3969/j.issn.0253-6099.2025.03.005
  • Receive Date：2024-12-30
  • Online Date：2026-03-19
  • Published：2025-06-01
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History
  • Received：2024-12-30
Funding
Affiliations
    1.BGRIMM Technology Group Co., Ltd., Beijing 100160, China
    2.School of Resource and Environmental Engineering, Wuhan University of Science and Technology, Wuhan 430081, Hubei, China
    3.Changsha Institute of Mining Research Co., Ltd., Changsha 410012, Hunan, China
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https://castjournals.cast.org.cn/joweb/kygczz/EN/10.3969/j.issn.0253-6099.2025.03.005
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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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