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
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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
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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
Numerical Analysis of the Crown Displacements Caused by Tunnel Excavation with Rock Bolts
Sign Up to like & getrecommendations! Published in 2022 at "Symmetry"
DOI: 10.3390/sym14081508
Abstract: The complex geological structure of Taiwan often makes it difficult to control the deformation behavior of tunnel excavations. To simplify analyses, most traditional empirical formulations and modern numerical analyses do not consider the existence of… read more here.
Keywords: caused tunnel; rock; numerical analysis; rock bolts ... See more keywords