Experimental investigation of stress unloading effects on rock damage and confining pressure-dependent crack initiation stress of porous sandstone under true triaxial stress environments

This study investigates the impact of intermediate (σ2) and minimum (σ3) principal stress unloading on damage behavior and the confining pressure influence on crack initiation stress (σci) in true triaxial stress conditions, utilizing large-scale cubic samples. Two distinct true triaxial tests were...

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Bibliographic Details
Main Authors: Qingsheng Bai, Max Friedel, Heinz Konietzky
Format: Article
Language:English
Published: KeAi Communications Co., Ltd. 2024-04-01
Series:Rock Mechanics Bulletin
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2773230424000106