Quantitative characterization of the multiscale mechanical properties of low-permeability sandstone roofs of coal seams based on nanoindentation and triaxial tests and its implications for CO2 geological sequestration

Quantitative characterization of the multiscale mechanical properties of low-permeability sandstone roofs of coal seams based on nanoindentation and triaxial tests and its implications for CO2 geological sequestration

Abstract Microstructural heterogeneity of low-permeability sandstone roofs of deep unmineable coal seams due to diagenesis significantly affects rock mechanical behavior, greatly impacting the sealing potential of in situ CO2 sequestration and the structural stability of the geological formation. Ho...

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Bibliographic Details
Main Authors: Feng Cao, Jianhua He, Hongxiu Cao, Hucheng Deng, Andrew D. La Croix, Rui Jiang, Ruixue Li, Jiarun Li
Format: Article
Language:English
Published: SpringerOpen 2025-01-01
Series:International Journal of Coal Science & Technology
Subjects:
Low-permeability sandstone roofs of coal seams
Triaxial test
Nanoindentation test
Mechanical properties
Fracture mechanical behavior
CO2 sequestration
Online Access:https://doi.org/10.1007/s40789-024-00739-0
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