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Permeation diffusion mechanism of pulse grouting with Bingham fluid considering tortuosity and spatiotemporal variations in viscosity

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成果类型:
期刊论文
作者:
Cao, Peizhi;Zhang, Guijin;Liu, Jie;Ouyang, Jinwu;Zhang, Qiang;...
通讯作者:
Zhang, GJ
作者机构:
[Liu, Jie; Zhang, Guijin; Cao, Peizhi; Zhang, Qiang; Wang, Xubin; Ouyang, Jinwu] Changsha Univ Sci & Technol, Sch Hydraul & Ocean Engn, Changsha 410114, Peoples R China.
[Liu, Jie] Key Lab Water Sediment Sci & Water Disaster Preven, Changsha 410114, Peoples R China.
通讯机构:
[Zhang, GJ ] C
Changsha Univ Sci & Technol, Sch Hydraul & Ocean Engn, Changsha 410114, Peoples R China.
语种:
英文
关键词:
Pulse grouting;Diffusion mechanism;Spatiotemporal viscosity variations;Tortuosity
期刊:
Computers and Geotechnics
ISSN:
0266-352X
年:
2025
卷:
184
页码:
107295
基金类别:
CRediT authorship contribution statement Peizhi Cao: Writing – original draft, Methodology, Formal analysis, Data curation. Guijin Zhang: Writing – review & editing, Project administration, acquisition, Conceptualization. Jie Liu: Writing – review & editing. Jinwu Ouyang: Software. Qiang Zhang: Formal analysis. Xubin Wang: Software.
机构署名:
本校为第一且通讯机构
院系归属:
水利工程学院
摘要:
Understanding the antiseepage and reinforcement mechanisms for pulse grouting remains inadequate at present compared with its engineering applications. To improve the theoretical framework of pulse grouting, a permeation diffusion model based on a Bingham fluid is developed, which incorporates the tortuosity of the slurry diffusion path and spatiotemporal variations in viscosity. The validity of the model is verified through a comparison of the theoretical predictions with the experimental results. The impacts of spatiotemporal viscosity variat...

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