An improved method to calculate the rock brittleness index PEECR based on linear energy storage law
March 2024
The peak elastic strain energy consumption ratio (PEECR) is a rock brittleness index proposed by Gong and Wang. In the present study, based on the linear energy storage law of rock under triaxial compression,...
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Numerical analysis of thermo-hydromechanical process related to deep geological radioactive repository
March 2024
This paper addresses numerical analysis of thermo-hydromechanical processes in the context of deep geological disposal of radioactive waste. The emphasis is put on modeling of damaged zones induced...
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Field observations and interpretation of extensional fracture in hard rock surrounding deep underground openings
March 2024
Extensional fracturing often occurs in hard rock masses during excavation at depths, for example, >1000 m below the ground surface. Surface-parallel fractures are created in the surrounding rock mass,...
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