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Distribution Law of Earth Pressure on Retaining Wall with Finite Slope Under Translational Motion
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Shunchuan WU1, 2, 3, Wensong JIA1, Longqiang HAN2, 3, Xinglei LIU1
Mining and Metallurgical Engineering | 2023, 43(5) : 11 - 16
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Mining and Metallurgical Engineering | 2023, 43(5): 11-16
• MINING •
Distribution Law of Earth Pressure on Retaining Wall with Finite Slope Under Translational Motion
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Shunchuan WU1, 2, 3, Wensong JIA1, Longqiang HAN2, 3, Xinglei LIU1
Affiliations
  • 1.Key Laboratory of Ministry of Education for Efficient Mining and Safety of Metal Mine, University of Science and Technology Beijing, Beijing 100083, China
  • 2.Faculty of Land Resources Engineering, Kunming University of Science and Technology, Kunming 650093, Yunnan, China
  • 3.Key Laboratory of Geohazard Forecast and Geoecological Restoration in Plateau Mountainous Area, Ministry of Natural Resources of the People's Republic of China, Kunming 650093, Yunnan, China
Published: 2023-10-01 doi: 10.3969/j.issn.0253-6099.2023.05.003
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With a water cut-off and slope reinforcement project in Tenglong open-pit mine in Hebei Province as the background, a three-dimensional numerical model was established for finite slope with a retaining wall. Firstly, this numerical model was verified for its validity, and then was adopted in numerical simulation and analysis for the distribution law of earth pressure on the back of wall under translational motion. The results show that as the bench becomes wider, the angle of inclination for sliding surface of finite slope falls down to zero first, and then is gradually increased. When the bench is 9 m wide, the numerical solution of passive earth pressure on the back of wall is almost consistent with the analytical solution in term of its variation rule, which fully verifies the validity of this numerical model. The passive earth pressure presents nonlinear distribution, and the active earth pressure presents convex curve distribution. With both the stability of retaining wall and the construction cost taken into consideration, it is recommended that the slope degree should be set at 30° and the bench should be 9 m wide.

open-pit mine  /  retaining wall  /  finite slope  /  FLAC3D  /  earth pressure  /  slope degree  /  translational motion
Shunchuan WU, Wensong JIA, Longqiang HAN, Xinglei LIU. Distribution Law of Earth Pressure on Retaining Wall with Finite Slope Under Translational Motion[J]. Mining and Metallurgical Engineering, 2023 , 43 (5) : 11 -16 . DOI: 10.3969/j.issn.0253-6099.2023.05.003
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doi: 10.3969/j.issn.0253-6099.2023.05.003
  • Receive Date：2023-05-15
  • Online Date：2026-03-05
  • Published：2023-10-01
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  • Received：2023-05-15
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Affiliations
    1.Key Laboratory of Ministry of Education for Efficient Mining and Safety of Metal Mine, University of Science and Technology Beijing, Beijing 100083, China
    2.Faculty of Land Resources Engineering, Kunming University of Science and Technology, Kunming 650093, Yunnan, China
    3.Key Laboratory of Geohazard Forecast and Geoecological Restoration in Plateau Mountainous Area, Ministry of Natural Resources of the People's Republic of China, Kunming 650093, Yunnan, China
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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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