A novel semi-theoretical model for hydraulic conductivity prediction considering temperature effect
It is of great significance to accurately characterize fluid migration within fractures under thermal-mechanical coupling condition for deep ground engineering, especially for the nuclear waste disposal engineering. Previous efforts characterizing hydraulic properties of fractures have focused on ro...
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| Format: | Article |
| Language: | English |
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Elsevier
2025-07-01
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| Series: | Case Studies in Thermal Engineering |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2214157X25004484 |
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| author | Jiahua Li Shiwan Chen Ruyun Wu Yuhang Zhu Senyou An |
| author_facet | Jiahua Li Shiwan Chen Ruyun Wu Yuhang Zhu Senyou An |
| author_sort | Jiahua Li |
| collection | DOAJ |
| description | It is of great significance to accurately characterize fluid migration within fractures under thermal-mechanical coupling condition for deep ground engineering, especially for the nuclear waste disposal engineering. Previous efforts characterizing hydraulic properties of fractures have focused on room temperature, and it is difficult to deep understand the deformation-seepage coupling process of rock fractures under temperature. Thus, models derived from in this condition have been limited in their predictive ability for fracture seepage. This paper addresses the key challenge through well-designed experiments, combined with the improved BB model and the cubic law. The fracture deformation was separated from single-fractured granite during normal cyclic loading. The deformation and hydraulic properties of granite fractures under thermal-mechanical coupling were analyzed in detail. A linear relationship between hydraulic aperture and mechanical aperture considering temperature effect is established. A stress-deformation-seepage model considering temperature and cyclic loading history effect is proposed, and the accuracy of the model is verified. This study can provide reference for nuclear waste geological disposal project. |
| format | Article |
| id | doaj-art-d97b1bc18c78497e8a91904c13f45e1d |
| institution | DOAJ |
| issn | 2214-157X |
| language | English |
| publishDate | 2025-07-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Case Studies in Thermal Engineering |
| spelling | doaj-art-d97b1bc18c78497e8a91904c13f45e1d2025-08-20T03:18:23ZengElsevierCase Studies in Thermal Engineering2214-157X2025-07-017110618810.1016/j.csite.2025.106188A novel semi-theoretical model for hydraulic conductivity prediction considering temperature effectJiahua Li0Shiwan Chen1Ruyun Wu2Yuhang Zhu3Senyou An4College of Resources and Environment Engineering, Guizhou University, Guiyang, China; College of Civil and Transportation Engineering, Institute of Deep Earth Sciences and GreenEnergy, Shenzhen University, Shenzhen, ChinaCollege of Resources and Environment Engineering, Guizhou University, Guiyang, China; Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan, Hubei, China; Corresponding author. College of Resources and Environment Engineering, Guizhou University, Guiyang, ChinaCollege of Resources and Environment Engineering, Guizhou University, Guiyang, ChinaCollege of Resources and Environment Engineering, Guizhou University, Guiyang, ChinaCollege of Civil and Transportation Engineering, Institute of Deep Earth Sciences and GreenEnergy, Shenzhen University, Shenzhen, ChinaIt is of great significance to accurately characterize fluid migration within fractures under thermal-mechanical coupling condition for deep ground engineering, especially for the nuclear waste disposal engineering. Previous efforts characterizing hydraulic properties of fractures have focused on room temperature, and it is difficult to deep understand the deformation-seepage coupling process of rock fractures under temperature. Thus, models derived from in this condition have been limited in their predictive ability for fracture seepage. This paper addresses the key challenge through well-designed experiments, combined with the improved BB model and the cubic law. The fracture deformation was separated from single-fractured granite during normal cyclic loading. The deformation and hydraulic properties of granite fractures under thermal-mechanical coupling were analyzed in detail. A linear relationship between hydraulic aperture and mechanical aperture considering temperature effect is established. A stress-deformation-seepage model considering temperature and cyclic loading history effect is proposed, and the accuracy of the model is verified. This study can provide reference for nuclear waste geological disposal project.http://www.sciencedirect.com/science/article/pii/S2214157X25004484Beishan graniteHydraulic apertureMechanical apertureCyclic loadingSeepage model |
| spellingShingle | Jiahua Li Shiwan Chen Ruyun Wu Yuhang Zhu Senyou An A novel semi-theoretical model for hydraulic conductivity prediction considering temperature effect Case Studies in Thermal Engineering Beishan granite Hydraulic aperture Mechanical aperture Cyclic loading Seepage model |
| title | A novel semi-theoretical model for hydraulic conductivity prediction considering temperature effect |
| title_full | A novel semi-theoretical model for hydraulic conductivity prediction considering temperature effect |
| title_fullStr | A novel semi-theoretical model for hydraulic conductivity prediction considering temperature effect |
| title_full_unstemmed | A novel semi-theoretical model for hydraulic conductivity prediction considering temperature effect |
| title_short | A novel semi-theoretical model for hydraulic conductivity prediction considering temperature effect |
| title_sort | novel semi theoretical model for hydraulic conductivity prediction considering temperature effect |
| topic | Beishan granite Hydraulic aperture Mechanical aperture Cyclic loading Seepage model |
| url | http://www.sciencedirect.com/science/article/pii/S2214157X25004484 |
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