Effect of Boundary Condition on the Shear Behaviour of Rock Joints in the Direct Shear Test
Sign Up to like & getrecommendations! Published in 2017 at "Rock Mechanics and Rock Engineering"
DOI: 10.1007/s00603-016-1157-z
Abstract: The common method for determination of the mechanical properties of the rock joints is the direct shear test. This paper aims to study the effect of boundary condition on the results of direct shear tests.… read more here.
Keywords: shear test; rock joints; effect; joints direct ... See more keywords
Modeling of Rock Joints Under Cyclic Loading Conditions Using Discontinuous Deformation Analysis
Sign Up to like & getrecommendations! Published in 2017 at "Rock Mechanics and Rock Engineering"
DOI: 10.1007/s00603-016-1158-y
Abstract: The shear strength of rock joints is an important factor to be considered when analyzing the stability of jointed rock mass. Rock joints tend to have smaller shear resistances in the reverse shearing than that… read more here.
Keywords: joints cyclic; rock joints; cyclic loading; model ... See more keywords
Elliptical Hertz-Based General Closure Model for Rock Joints
Sign Up to like & getrecommendations! Published in 2020 at "Rock Mechanics and Rock Engineering"
DOI: 10.1007/s00603-020-02275-0
Abstract: The hydro-mechanical behavior of rock masses is mainly dominated by the behavior of the contained rock joints (Cook 1992; Grasselli and Egger 2003; Bahaaddini et al. 2014). It is well-recognized that studying the closure behavior… read more here.
Keywords: rock joints; closure; rock joint; model ... See more keywords
Prediction of Peak Shear Strength of Natural, Unfilled Rock Joints Accounting for Matedness Based on Measured Aperture
Sign Up to like & getrecommendations! Published in 2021 at "Rock Mechanics and Rock Engineering"
DOI: 10.1007/s00603-020-02340-8
Abstract: The mechanical behaviour of natural, unfilled rock joints is influenced by the interaction between surface roughness and matedness of the contact surfaces. In the field, natural rock joints normally exhibit a mismatch between the contact… read more here.
Keywords: rock joints; matedness; shear strength; peak shear ... See more keywords
Effect of rock joint roughness on its cyclic shear behavior
Sign Up to like & getrecommendations! Published in 2017 at "Journal of rock mechanics and geotechnical engineering"
DOI: 10.1016/j.jrmge.2017.09.001
Abstract: Abstract Rock joints are often subjected to dynamic loads induced by earthquake and blasting during mining and rock cutting. Hence, cyclic shear load can be induced along the joints and it is important to evaluate… read more here.
Keywords: rock joints; asperity; rock joint; rock ... See more keywords
Discussion of “Numerical Simulation of the Shear Behavior of Rock Joints Filled with Unsaturated Soil” by Libin Gong, Jan Nemcik, and Ting Ren
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Geomechanics"
DOI: 10.1061/(asce)gm.1943-5622.0001604
Abstract: The paper under discussion essentially reports a numerical study of the behavior of infilled rock joints tested under unsaturated conditions. The numerical attempt has merit but there are several issues around the model validation against… read more here.
Keywords: rock joints; shear behavior; model; soil ... See more keywords
Novel Intelligent Approach for Peak Shear Strength Assessment of Rock Joints on the Basis of the Relevance Vector Machine
Sign Up to like & getrecommendations! Published in 2019 at "Mathematical Problems in Engineering"
DOI: 10.1155/2019/3182736
Abstract: This study mainly establishes a novel intelligent assessment model for peak shear strength of rock joints based on the relevance vector machine (RVM). RVM is a state-of-the-art soft computing technique that has been rarely utilized… read more here.
Keywords: strength; rock joints; shear strength; peak shear ... See more keywords
Scale Dependence of Waviness and Unevenness of Natural Rock Joints through Fractal Analysis
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DOI: 10.1155/2020/8818815
Abstract: The scale dependence of surface roughness is critical in characterising the hydromechanical properties of field-scale rock joints but is still not well understood, particularly when different orders of roughness are considered. We experimentally reveal the… read more here.
Keywords: scale dependence; waviness unevenness; rock; rock joints ... See more keywords
Mechanical Responses of Rock Joints With Regular Asperities Under Various Shear Rates Investigated by Double Shear Test
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Testing and Evaluation"
DOI: 10.1520/jte20150314
Abstract: To study the mechanical responses of rock joints within a wide range of shear rates, this study develops a horizontal gripping mechanism to improve a double shear test device. Artificial rock joints, including planar and… read more here.
Keywords: shear rate; double shear; shear rates; rock joints ... See more keywords
A Quantitative Method to Predict the Shear Yield Stress of Rock Joints
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DOI: 10.3390/min13040500
Abstract: The shear mechanical properties of rock joints are crucial in assessing the stability and safety of rock structures, including slopes, rock dams, and tunnels. The yield stress serves as a pivotal point that distinguishes the… read more here.
Keywords: rock joints; rock; yield stress; method ... See more keywords
Investigating the Effects of Cement and Polymer Grouting on the Shear Behavior of Rock Joints
Sign Up to like & getrecommendations! Published in 2022 at "Polymers"
DOI: 10.3390/polym14061229
Abstract: This study carried out a comparison between cement grouting and chemical grouting, using epoxy and polyurethane, with respect to their effects on the shear behavior of joints. Joint replicas, with three different grades of surface… read more here.
Keywords: shear behavior; rock joints; fall friction; friction angle ... See more keywords