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Investigation on mechanisms of particle migration and clogging affected by capillary-cohesion in fractured media
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Ren-jun ZHANG1, 2, Bi XIAO3, Zhi-bing YANG1, 2, Xiao-kang ZHENG3, Ran HU1, 2, Yi-feng CHEN1, 2
Rock and Soil Mechanics | 2025, 46(11) : 3473 - 3484
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Rock and Soil Mechanics | 2025, 46(11): 3473-3484
• Fundamental Theory and Experimental Research •
Investigation on mechanisms of particle migration and clogging affected by capillary-cohesion in fractured media
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Ren-jun ZHANG1, 2, Bi XIAO3, Zhi-bing YANG1, 2, Xiao-kang ZHENG3, Ran HU1, 2, Yi-feng CHEN1, 2
Affiliations
  • 1.State Key Laboratory of Water Resources Engineering and Management, Wuhan University, Wuhan, Hubei 430072, China
  • 2.Key Laboratory of Rock Mechanics in Hydraulic Structural Engineering of the Ministry of Education, Wuhan University, Wuhan, Hubei 430072, China
  • 3.Changjiang Institute of Survey, Planning, Design and Research Co., Ltd, Wuhan, Hubei 430010, China
Published: 2025-11-14 doi: 10.16285/j.rsm.2025.0086
Outline
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The cohesion effect induced by liquid bridges between particles, which promotes particle aggregation, is widespread in both natural environments and engineering applications. Understanding the migration and clogging processes of particles in fractured media under the influence of capillary-cohesion is crucial for advancing particle transport knowledge. Through visualization experiments and seepage calculations, the processes of capillary-cohesive particle migration and clogging are studied. A phase diagram of clogging patterns in the space of capillary-cohesion and flowrate is proposed. Experimental results show that capillary-cohesion induces particle agglomeration, increasing effective particle diameter and significantly enhancing fracture clogging. Stripe-like clogging patterns occur at high flow rates, while complete clogging patterns or entrance sealing patterns occur at low flow rates. Hydrodynamic analysis reveals that fluid velocity distributions control the growth of clogging stripes and the change in residual flow channels in the complete clogging patterns. Furthermore, Smoluchowski theory effectively describes the linear growth behavior of clogging stripes over time. These findings elucidate the mechanism of capillary-cohesive particle migration and clogging in rock fractures, providing theoretical and technical guidance for evaluating and controlling particle transport in fractured media.

capillary-cohesion  /  fracture seepage  /  particle migration  /  clogging
Ren-jun ZHANG, Bi XIAO, Zhi-bing YANG, Xiao-kang ZHENG, Ran HU, Yi-feng CHEN. Investigation on mechanisms of particle migration and clogging affected by capillary-cohesion in fractured media[J]. Rock and Soil Mechanics, 2025 , 46 (11) : 3473 -3484 . DOI: 10.16285/j.rsm.2025.0086
Funding
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  • National Key Research and Development Program of China(2024YFE0197700)
  • National Natural Science Foundation of China(52494972; 42377066)
Appendix
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Year 2025 volume 46 Issue 11
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104
49
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Article Info
doi: 10.16285/j.rsm.2025.0086
  • Receive Date：2025-01-25
  • Online Date：2026-03-27
  • Published：2025-11-14
Article Data
Affiliations
History
  • Received：2025-01-25
  • Accepted：2025-11-04
Funding
National Key Research and Development Program of China(2024YFE0197700)
National Natural Science Foundation of China(52494972; 42377066)
Affiliations
    1.State Key Laboratory of Water Resources Engineering and Management, Wuhan University, Wuhan, Hubei 430072, China
    2.Key Laboratory of Rock Mechanics in Hydraulic Structural Engineering of the Ministry of Education, Wuhan University, Wuhan, Hubei 430072, China
    3.Changjiang Institute of Survey, Planning, Design and Research Co., Ltd, Wuhan, Hubei 430010, 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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