The experimental determination of shear stress distribution along fully grouted rock bolts with different bond lengths subjected to pull testing

CC Li, AH Høien - International Journal of Rock Mechanics and Mining …, 2023 - Elsevier
In this study, laboratory pull tests of rock bolts were conducted to verify and update existing
stress transfer models. The rock bolt samples in the study had different bond lengths that …

An analytical approach to study the reinforcement performance of rock anchors

J Chen, W Zhang, J Ma, B Zeng, Y Huang - Engineering Failure Analysis, 2024 - Elsevier
Rock anchors are widely used in rock reinforcement in civil engineering. However, little
analytical research has been performed to investigate the anchoring performance of rock …

[HTML][HTML] Advances in fibre-optic-based slope reinforcement monitoring: A review

A Acharya, T Kogure - Journal of Rock Mechanics and Geotechnical …, 2024 - Elsevier
Real-time assessment of slope reinforcements to diagnose their state in all stages of service
life is imperative for prompt evaluation of slope stability and establishing an efficient early …

[HTML][HTML] Failure characterization of fully grouted rock bolts under triaxial testing

H Nourizadeh, A Mirzaghorbanali, M Serati… - Journal of Rock …, 2024 - Elsevier
Confining stresses serve as a pivotal determinant in shaping the behavior of grouted rock
bolts. Nonetheless, prior investigations have oversimplified the three-dimensional stress …

Effect of contributing parameters on the behaviour of a bolted rock joint subjected to combined pull-and-shear loading: a DEM approach

M Saadat, A Taheri - Rock Mechanics and Rock Engineering, 2020 - Springer
The mechanical performance of fully grouted rock bolts is essential in the stability of
underground excavations in jointed rock masses. This research implements a new cohesive …

[HTML][HTML] A grouting simulation method for quick-setting slurry in karst conduit: The sequential flow and solidification method

Z Xu, D Pan, S Li, Y Zhang, Z Bu, J Liu - Journal of Rock Mechanics and …, 2022 - Elsevier
It is difficult to temporally and spatially track and characterize the slurry viscosity in flowing
water during grouting simulation. In this study, a sequential flow and solidification (SFS) …

[HTML][HTML] Large-scale laboratory investigation of pillar-support interaction

A Chaurasia, G Walton, S Sinha, TJ Batchler… - Journal of Rock …, 2024 - Elsevier
Underground mine pillars provide natural stability to the mine area, allowing safe operations
for workers and machinery. Extensive prior research has been conducted to understand …

Case studies of rock bolt support loads and rock mass monitoring for the room and pillar method in the legnica-głogów copper district in Poland

K Skrzypkowski - Energies, 2020 - mdpi.com
The article presents the impact of geological and mining factors on the stability of room
excavations in the Legnica-Głogów Copper District (LGOM) in Poland. In underground …

Pull-out and critical embedment length of grouted rebar rock bolts-mechanisms when approaching and reaching the ultimate load

AH Høien, CC Li, N Zhang - Rock Mechanics and Rock Engineering, 2021 - Springer
Rock bolts are one of the main measures used to reinforce unstable blocks in a rock mass.
The embedment length of fully grouted bolts in the stable and competent rock stratum …

Axial Load Mechanisms in Fully Grouted Rock Bolting System: A Systematic Review

B Jodeiri Shokri, A Mirzaghorbanali, H Nourizadeh… - Applied Sciences, 2024 - mdpi.com
The main objective of implementing primary ground-controlling methods, such as applying
rock bolting systems, is to increase or strengthen the rock mass. Among all rock bolting …