On the critical importance of shear-parallel displacement measurements in shear tests of rock fractures
September 2026
•Different measurement locations capture different deformation components.•Shear displacement data underpin stiffness estimates and slip stability analysis.•Servo-control position strongly affects piston...
Three-dimensional strain path behavior of green sandstone in the brittle and ductile regimes
September 2026
Understanding the anisotropic deformation behavior of geomaterials under true-triaxial stress conditions across the brittle-ductile domain is of great significance for underground engineering applications....
Large-scale model test of hydraulic tunnel under excavation subjected to cyclic loading
September 2026
Deep hydraulic tunnels in weak rock are subjected to excavation unloading and long-term cyclic stress variations during operation. Accordingly, a 1∶5-scale physical model test was conducted in this...
Key factors and predictive model of geotextile bulging behavior for flexible backfill barricades in metal mines
September 2026
The construction of filling barricades is a crucial part of backfill mining, and their stability is directly related to mining safety. With advances in filling barricade construction techniques, flexible...
A high-temperature and high-stress rock triaxial test system: Development and application
September 2026
The advancement of deep earth resource exploration is a challenging issue for global economic stability, energy security, and geoscientific leadership. However, the mechanical properties of rocks under...
Formulation and application of a brittleness index for rocks utilizing linear energy storage behavior
September 2026
Brittleness is one of the most critical mechanical properties of rock materials. To accurately evaluate rock brittleness, uniaxial cyclic loading-unloading tests were carried out on sandstone. A functional...
