A critical review of current states of practice in direct shear testing of unfilled rock fractures focused on multi-stage and boundary conditions

NR MacDonald, TRM Packulak, JJ Day - Geosciences, 2023 - mdpi.com
Direct shear (DS) is a common geotechnical laboratory test used to determine strength and
deformation properties of rock discontinuities, such as normal and shear stiffness, peak and …

Permeability evolution of two-dimensional fracture networks during shear under constant normal stiffness boundary conditions

B Li, R Bao, Y Wang, R Liu, C Zhao - Rock Mechanics and Rock …, 2021 - Springer
The permeability evolution of fractal-based two-dimensional discrete fracture networks
(DFNs) during shearing under constant normal stiffness (CNS) boundary conditions is …

Distinct element method simulations of rock-concrete interfaces under different boundary conditions

JG Gutiérrez-Ch, S Senent, S Melentijevic… - Engineering …, 2018 - Elsevier
The shear behaviour of concrete-rock interfaces has been the aim of extensive research in
geotechnical engineering applications such as rock socketed piles, rock bolts and concrete …

Mechanics, damage and energy degradation of rock-concrete interfaces exposed to high temperature during cyclic shear

Y Zhang, M Huang, Y Jiang, Z Wang - Construction and Building Materials, 2023 - Elsevier
Shear properties of the rock-concrete interface are critical to the stability of deep
underground engineering projects, particularly in high-temperature environments caused by …

Physical modeling of shear behavior of infilled rock joints under CNL and CNS boundary conditions

AK Shrivastava, KS Rao - Rock Mechanics and Rock Engineering, 2018 - Springer
Despite their frequent natural occurrence, filled discontinuities under constant normal
stiffness (CNS) boundary conditions have been studied much less systematically, perhaps …

Shear fracture behavior and damage constitutive model of rock joints considering the effect of pre-peak cyclic loading

Q Gu, Q Zhang, S Ye, W Dai, T Li - Theoretical and Applied Fracture …, 2024 - Elsevier
The research on mechanical properties and fracture nalysed of rock joints under dynamic
loading disturbance is essential for the stability analysis of rock mass engineering. In this …

[HTML][HTML] A new approach for predicting direct shear tests on rock fractures

L Zou, V Cvetkovic - International Journal of Rock Mechanics and Mining …, 2023 - Elsevier
The shear process can significantly affect the hydro-mechanical properties of rock fractures.
In the present study, a new approach is developed to predict the direct shear process of rock …

[HTML][HTML] Anisotropic surface roughness and shear behaviors of rough-walled plaster joints under constant normal load and constant normal stiffness conditions

R Liu, S Lou, X Li, G Han, Y Jiang - Journal of Rock Mechanics and …, 2020 - Elsevier
In this context, we experimentally studied the anisotropic mechanical behaviors of rough-
walled plaster joints using a servo-controlled direct shear apparatus under both constant …

Effect of bolt inclination angle on shear behavior of bolted joints under CNL and CNS conditions

G Cui, C Zhang, J Chen, F Yang, H Zhou… - Journal of Central South …, 2020 - Springer
Rock bolts are widely used in rock engineering projects to improve the shear capacity of the
jointed rock mass. The bolt inclination angle with respect to the shear plane has a …

The Load-Bearing Mechanism of Rock-Socketed Piles Considering Rock Fragmentation

X Zhao, Y Shen, S Melentijevic, Z Sun, K Wang… - Rock Mechanics and …, 2024 - Springer
Based on the random distribution patterns of rock fragmentation (RF), a concrete–rock shear
model (CRSM) considering RF was developed through the application of statistical theory …