In order to accurately characterize the porosity and pore throat structure of different coal
grades under liquid nitrogen fracturing cycles, this paper tests the T 2 and T 1-T 2 …

Cracking behaviors of rocks significantly affect the safety and stability of the explorations of
underground space and deep resources. To understand deeply the microscopic cracking …

The shear strength of discontinuities with different joint wall compressive strength (DDJCS)
is an important mechanical property. In this paper, the prediction of shear strength of DDJCS …

Determining the deformation characteristics and mechanical behavior of gas-bearing coal is
beneficial to understanding the phenomena and rules of dynamic disasters during coal …

The low porosity and permeability characteristics of coal seams have become the main
bottleneck restricting high-efficiency extraction of coalbed methane. At present, enhanced …

Understanding the internal structures of rock and their subsequent evolution is essential
across multiple disciplines. Fractures and mineral grains are significant components of …

The reconstruction of porous materials is an important and meaningful issue in various
engineering fields. In this paper, the reconstruction methods of porous materials proposed in …

Ballistic impact experiments are conducted to investigate high-speed penetration of
polycarbonate by steel spheres at impact velocities ranging from∼ 600 to 2400 ms− 1. High …

Water existing in micro-pores has tremendous influences on the mechanical and damage
characteristics of rocks. This study aims to investigate the micro-pore water effects on the …

Water–rock interactions affect mineral inclusions and the pore structure of rock,
subsequently affecting its mechanical and seepage properties. A method for quantitative …