Effects of joint roughness, shear rate, and normal stress on shear behavior and acoustic emission characteristics in two parallel coplanar intermittently jointed rock: An …

Y Zhu, G Wang, A Li, H Chen, T Liu, H Guan - Rock Mechanics and Rock …, 2023 - Springer
We conducted laboratory direct shear tests on two parallel coplanar intermittently jointed
rock to investigate the effect of joint roughness and loading conditions on the shear behavior …

Evolution of contact area and aperture during the shearing process of natural rock fractures

MA Pirzada, M Bahaaddini, O Moradian, H Roshan - Engineering Geology, 2021 - Elsevier
The role of surface geometry and its evolution during shearing process on the
hydromechanical behaviour of rock discontinuities has long remained an open question for …

Experimental investigation on the effects of different fracturing fluids on shale surface morphology

J Tan, C Hu, Q Lyu, G Feng, S Chen - Journal of Petroleum Science and …, 2022 - Elsevier
With the widely use of hydraulic fracturing technique, large volumes of fracturing fluids are
injected into shale reservoirs. The physical and chemical reactions between fracturing fluids …

Time-frequency evolution law and generation mechanism of electromagnetic radiation in coal friction process

S Yin, D Song, X He, L Qiu, M Wei, C Wang, Y Chen… - Engineering …, 2021 - Elsevier
Coal rock friction generally exists in various geological movements, and it is of great
significance to effectively monitor the friction process. In this paper, the commonly used …

Investigation of the real contact area of tensile fractures with different normal stresses and sizes by using pressure-sensitive films

Y Li, Y Cui, Y Gan, Q Zhang - Engineering Geology, 2023 - Elsevier
More than 240 experimental tests were conducted and the characteristics of real contact
area of the mated tensile fractures were investigated by using pressure-sensitive films. The …

Reconstruction of rough rock joints: 2D profiles and 3D surfaces

X Liu, W Zhu, Y Liu, K Guan - International Journal of Rock Mechanics and …, 2022 - Elsevier
The 3D reconstruction of rock joint surfaces is crucial for quantifying rock joints. Through the
uniform discretization of 2D and 3D rock joints, it was determined that both the climbing …

Sampling interval-size effects and differential sensitivities of different morphology parameters of rock joint

X Xu, H Bao, H Lan, C Liu, J Xu, C Yan - Journal of Structural Geology, 2022 - Elsevier
The description accuracy of the rock-joint morphology is closely related to the sampling
interval and the sampling window size. In this study, a diorite joint was taken as the research …

Study on time–frequency features of induced charge signals during the damage and failure process of coal medium

J Lyu, S Li, Y Pan, Z Tang, X Wang, Z Xue, Y Zhang… - Scientific Reports, 2024 - nature.com
Monitoring and preventing coal-rock dynamic disasters are vital for safe mining. To
investigate the time–frequency features of induced charge signals with coal damage and …

[HTML][HTML] A five-parameter constitutive model for hysteresis shearing and energy dissipation of rock joints

Y Li, T Zhao, Y Li, Y Chen - International Journal of Mining Science and …, 2022 - Elsevier
Rock joints exhibit hysteresis shearing behavior and produce energy dissipation under
shear cyclic loads, which however cannot be accurately depicted by existing constitutive …

Numerical modeling on deformation of fractured reservoir bank slopes during impoundment: Case study of the xiluodu dam

B Liu, Z Zhao, S Chen, Q Yang - Rock Mechanics and Rock Engineering, 2024 - Springer
Investigating deformation behavior of fractured reservoir bank slopes during impoundment
plays an essential role in safety control of high arch dams. Because of changes in water …