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Experimental analysis found that reducing specimens for temperature testing improves thermomechanical assessments of rock types, suggesting potential cost savings.
Proper thermomechanical study of a rock type is typically significantly more expensive than a standard mechanical study in terms of geomaterial consumption. Multiple specimen sets (each sufficient for a standalone mechanical study) have to be produced for various target temperatures to obtain a comprehensive thermomechanical profile of the rock type. A possible solution for lowering the number of required specimens using a type II “multiple failure state” triaxial test is tested in this paper.
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Brabec et al. (2025) studied this question.
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