An Ultrasonic Rock Bolt Sensing Technology (I): Methodology and Laboratory Studies
Sign Up to like & getrecommendations! Published in 2024 at "Rock Mechanics and Rock Engineering"
DOI: 10.1007/s00603-024-03921-7
Abstract: Rock bolts play a critical role in ground support in mining, tunneling and construction. Being able to obtain timely information on rock bolt load condition and deformation could help immensely in safeguarding workers’ safety, optimization… read more here.
Keywords: technology; methodology; rock bolt; rock ... See more keywords
Unveiling Axial Load Transfer Mechanism in Fully Encapsulated Rock Bolts
Sign Up to like & getrecommendations! Published in 2025 at "Rock Mechanics and Rock Engineering"
DOI: 10.1007/s00603-024-04347-x
Abstract: Determining the axial load transfer mechanism of rock bolts under various conditions is paramount for ensuring efficient reinforcement in rock structures, advancing our understanding of rock support and ability to design robust engineering solutions. This… read more here.
Keywords: load transfer; rock; axial load; bond stress ... See more keywords
Analysing Double Shearing Mechanism in Fiberglass Rock Bolting Systems: a Comprehensive Analytical Model and Numerical Simulation Approach
Sign Up to like & getrecommendations! Published in 2024 at "Geotechnical and Geological Engineering"
DOI: 10.1007/s10706-024-02929-8
Abstract: An analytical method and numerical simulation were developed to investigate the shear performance of fiberglass rock bolts (20-tonne and 30-tonne) by conducting sixteen double-shearing tests with both clean and infilled shear interfaces. Following the preparation… read more here.
Keywords: fiberglass rock; rock; model; double shearing ... See more keywords
A study of the load transfer behavior of fully grouted rock bolts with analytical modelling
Sign Up to like & getrecommendations! Published in 2020 at "International journal of mining science and technology"
DOI: 10.1016/j.ijmst.2019.12.010
Abstract: Abstract Fully grouted rock bolts have been used in mining industry for many years. Much research has been conducted to evaluate the load transfer behavior of fully grouted rock bolts with experimental programs. However, compared… read more here.
Keywords: fully grouted; load transfer; grouted rock; load ... See more keywords
Evaluation of load transfer mechanism under axial loads in a novel coupler of dual height rock bolts
Sign Up to like & getrecommendations! Published in 2021 at "International journal of mining science and technology"
DOI: 10.1016/j.ijmst.2020.12.023
Abstract: Abstract The effective reinforcement of two or more overlying layers of mine openings in a single installation is usually done by coupling of two standard rock bolts mainly during the extraction of medium-thick coal seams.… read more here.
Keywords: rock bolts; load transfer; rock; coupler ... See more keywords
Investigation of rock bolting for deeply buried tunnels via a new efficient hybrid DEM-Analytical model
Sign Up to like & getrecommendations! Published in 2018 at "Tunnelling and Underground Space Technology"
DOI: 10.1016/j.tust.2018.08.048
Abstract: Abstract Rock bolts are widely employed as an effective and efficient reinforcement method in tunnel engineering. Owing to the difficulty in considering the rock breakage due to tunneling, and lack of the ability to reveal… read more here.
Keywords: breakage; model; rock; rock bolts ... See more keywords
Mechanical behavior and factors influencing axial splitting energy absorbers and optimized application for rock bolts
Sign Up to like & getrecommendations! Published in 2020 at "Tunnelling and Underground Space Technology"
DOI: 10.1016/j.tust.2020.103427
Abstract: Abstract An axial splitting energy absorber for rock bolts was designed to adapt to the large deformation of surrounding rocks in deep roadways. This paper presents an experimental investigation of the mechanical behavior of the… read more here.
Keywords: axial splitting; energy; energy absorbers; splitting energy ... See more keywords
A Study of the Anchorage Body Fracture Evolution and the Energy Dissipation Rule: Comparison between Tensioned Rock Bolts and Torqued Rock Bolts
Sign Up to like & getrecommendations! Published in 2021 at "Advances in Civil Engineering"
DOI: 10.1155/2021/5542569
Abstract: Rock bolt support is an effective technique for controlling surrounding rock of deep roadway. The stability of the anchorage body composed of rock bolts and surrounding rock mass is the core in keeping the stability… read more here.
Keywords: anchorage body; rock; rock bolts; energy ... See more keywords
Centrifuge modelling of rock bolts with facing plates
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Physical Modelling in Geotechnics"
DOI: 10.1680/jphmg.16.00006
Abstract: In this study, a series of centrifuge model tests were carried out to study the mechanical behaviour of the slope reinforced by a soil nailing method using rock bolts with prestressed facing plates... read more here.
Keywords: centrifuge modelling; bolts facing; facing plates; modelling rock ... See more keywords
Examination of Stress Corrosion Cracking of Rock Bolts in Simulated Underground Environments
Sign Up to like & getrecommendations! Published in 2025 at "Materials"
DOI: 10.3390/ma18061275
Abstract: In recent years, significant increases in premature failures of rock bolts that are attributed to stress corrosion cracking (SCC) have been observed in underground reinforcement systems, which pose serious safety concerns for underground operations. A… read more here.
Keywords: corrosion cracking; rock bolts; rock; stress corrosion ... See more keywords
A Novel Axial Load Inversion Method for Rock Bolts Based on the Surface Strain of a Bearing Plate
Sign Up to like & getrecommendations! Published in 2024 at "Mathematics"
DOI: 10.3390/math12223480
Abstract: Anchor rock bolts are among the essential support components employed in coal mine support engineering. Measuring the axial load of the supporting anchor bolts constitutes an important foundation for evaluating the support effect and the… read more here.
Keywords: method; load; anchor; axial load ... See more keywords