Experimental study of stress wave propagation and energy characteristics across rock specimens containing cemented mortar joint with various thicknesses

Z Han, D Li, T Zhou, Q Zhu, PG Ranjith - International Journal of Rock …, 2020 - Elsevier
Stability and safety of rock structures are easily influenced by the dynamic disturbance,
especially when weak joint planes exist. In order to investigate the filling joint effect on the …

An SHPB test study on stress wave energy attenuation in jointed rock masses

JC Li, LF Rong, HB Li, SN Hong - Rock Mechanics and Rock Engineering, 2019 - Springer
A series of dynamic tests were carried out to investigate the effect of joint roughness on the
wave energy attenuation in rock masses and estimate the relation between joint roughness …

An SHPB test study on wave propagation across rock masses with different contact area ratios of joint

JC Li, NN Li, HB Li, J Zhao - International journal of impact engineering, 2017 - Elsevier
Abstract The Split Hopkinson Pressure Bar (SHPB) apparatus was adopted to investigate
the influence of joint contact area and spatial geometry of joint surface on the dynamic …

Stress wave propagation and dynamic behavior of red sandstone with single bonded planar joint at various angles

D Li, Z Han, Q Zhu, Y Zhang, PG Ranjith - International Journal of Rock …, 2019 - Elsevier
Dynamic impact tests were carried out on red sandstone specimens with single bonded
planar joint at various angles based on a split Hopkinson pressure bar (SHPB), to …

Influence of substrate properties and interfacial roughness on static and dynamic tensile behaviour of rock-shotcrete interface from macro and micro views

J Zhu, W Bao, Q Peng, X Deng - … Journal of Rock Mechanics and Mining …, 2020 - Elsevier
The instability of shotcreted structures, eg, the underground tunnels after shotcreting, often
results from the tensile failure of the rock-concrete interface. However, the understanding of …

Experimental investigation on dynamic mechanical behavior and fracture evolution of fissure-filled red sandstone after thermal treatment

Y Chen, T Yin, X Li, Q Li, Z Yang, M Li, Y Wu - Engineering Geology, 2021 - Elsevier
Natural or artificially disturbed rocks containing massive fillings are frequently subjected to
various sophisticated temperature and stress perturbations. To investigate the effects of …

Dynamic mechanical characteristic and fracture evolution mechanism of deep roadway sandstone containing weakly filled joints with various angles

Q Su, Q Ma, D Ma, P Yuan - International Journal of Rock Mechanics and …, 2021 - Elsevier
To investigate the influence of weakly filled joint angles on the dynamic mechanical
properties and fracture evolution mechanism of sandstone, dynamic uniaxial compression …

Experimental and numerical studies on the shear mechanical behavior of rock joints under normal vibration loads

B Ma, K Zhang, F Xiao, T Jiang - Computers and Geotechnics, 2024 - Elsevier
Jointed rock masses of roadways in underground coal mines are heavily disturbed by rock-
cutting vibrations from Tunnel Boring Machines (TBMs), posing significant challenges in …

Experimental study on wave propagation across a rock joint with rough surface

X Chen, JC Li, MF Cai, Y Zou, J Zhao - Rock Mechanics and Rock …, 2015 - Springer
Joints are an important mechanical feature of rock masses. Their effect on wave propagation
is significant in characterizing dynamic behaviors of discontinuous rock masses. An …

Role of filling materials in a P-wave interaction with a rock fracture

W Wu, JC Li, J Zhao - Engineering Geology, 2014 - Elsevier
The purpose of this study is to investigate the role of filling materials (eg, quartz sand and
kaolin clay) in the interaction between a P-wave and a rock fracture. The specific fracture …