Study of reinforcement support mechanisms for wide-span horse-shoe-shaped openings in horizontally layered jointed rock using the distinct element method
Sign Up to like & getrecommendations! Published in 2018 at "Rock Mechanics and Rock Engineering"
DOI: 10.1007/s00603-018-1615-x
Abstract: Wide-span openings in horizontally layered jointed rock were analysed using the distinct element method (DEM) to provide additional insight into rock bolt support mechanisms and forces. The rock bolt forces in the DEM calculations exhibited… read more here.
Keywords: jointed rock; rock; wide span; layered jointed ... See more keywords
Wedge Failure Analyses of the Jointed Rock Slope Influenced by Foliations
Sign Up to like & getrecommendations! Published in 2020 at "Geotechnical and Geological Engineering"
DOI: 10.1007/s10706-020-01320-7
Abstract: The stability of the slope is essentially controlled by the ratio between available shear strength and acting shear stress, expressed as the factor of safety, along the sliding surface. The slope is deemed stable if… read more here.
Keywords: slope; rock slope; wedge failure; jointed rock ... See more keywords
Seismic stability of jointed rock slopes under obliquely incident earthquake waves
Sign Up to like & getrecommendations! Published in 2018 at "Earthquake Engineering and Engineering Vibration"
DOI: 10.1007/s11803-018-0460-y
Abstract: Seismic stability of slopes has been traditionally analyzed with vertically propagated earthquake waves. However, for rock slopes, the earthquake waves might approach the outcrop still with a evidently oblique direction. To investigate the impact of… read more here.
Keywords: rock slopes; seismic stability; jointed rock; earthquake ... See more keywords
Permeability Anisotropy of Columnar Jointed Rock Masses
Sign Up to like & getrecommendations! Published in 2018 at "KSCE Journal of Civil Engineering"
DOI: 10.1007/s12205-018-0123-6
Abstract: This paper investigated the anisotropic permeability of columnar jointed rock masses at Baihetan hydropower station in Southwest China. Discrete element analysis is conducted to evaluate the hydraulic Representative Elemental Volume (REV) size of jointed rock… read more here.
Keywords: permeability; rock masses; columnar jointed; jointed rock ... See more keywords
Stability assessment of jointed rock slope with different crack infillings under various thermomechanical loadings
Sign Up to like & getrecommendations! Published in 2018 at "Arabian Journal of Geosciences"
DOI: 10.1007/s12517-018-3772-3
Abstract: Thermoelastic deformation of rock significantly affects the stability of rock slope because thermoelastic strains may cause fracture propagation under favorable condition of failure. Rock slope stability depends on the balance between shear stress and shear… read more here.
Keywords: rock slope; jointed rock; stability; rock ... See more keywords
Uniaxial compressive study on mechanical properties of rock mass considering joint spacing and connectivity rate
Sign Up to like & getrecommendations! Published in 2019 at "Arabian Journal of Geosciences"
DOI: 10.1007/s12517-019-4803-4
Abstract: To explore the effect of joint spacing and joint connectivity rate on the uniaxial compressive strength (UCS) and elastic modulus of jointed rock mass, compression tests on preset intermittent fractured specimens were performed. Test results… read more here.
Keywords: connectivity rate; mass; rock mass; jointed rock ... See more keywords
Demonstration of spatial anisotropic deformation properties for jointed rock mass by an analytical deformation tensor
Sign Up to like & getrecommendations! Published in 2017 at "Computers and Geotechnics"
DOI: 10.1016/j.compgeo.2017.03.009
Abstract: Abstract This paper develops a joint deformation tensor (JD), which considers all of the joint's mechanical and geometrical parameters that affect the deformability of the rock mass. The method based on JD (JD method) and… read more here.
Keywords: deformation; deformation tensor; rock mass; jointed rock ... See more keywords
Simulating progressive failure in brittle jointed rock masses using a modified elastic-brittle model and the application
Sign Up to like & getrecommendations! Published in 2017 at "Engineering Fracture Mechanics"
DOI: 10.1016/j.engfracmech.2017.04.037
Abstract: Abstract To analyse the damage evolution process of jointed rock masses, a modified numerical model on the basis of secondary development in fast Lagrangian analysis of Continua (FLAC3D) is proposed to simulate the fracture development… read more here.
Keywords: jointed rock; brittle; model; rock masses ... See more keywords
Modelling jointed rock mass as a continuum with an embedded cohesive-frictional model
Sign Up to like & getrecommendations! Published in 2017 at "Engineering Geology"
DOI: 10.1016/j.enggeo.2017.07.011
Abstract: Abstract The mechanical and hydraulic properties of a jointed rock mass are strongly affected by the characteristics of joints within the intact rock mass. In this study, a constitutive model for jointed rock masses is… read more here.
Keywords: jointed rock; surrounding rock; model; rock mass ... See more keywords
Mechanical behavior of structurally reconstructed irregular columnar jointed rock mass using 3D printing
Sign Up to like & getrecommendations! Published in 2020 at "Engineering Geology"
DOI: 10.1016/j.enggeo.2020.105509
Abstract: Abstract Baihetan hydropower station is one the most famous hydroelectric projects in China. The columnar jointed rock mass (CJRM) is widely distributed in this area such as at the dam site and drainage tunnel. The… read more here.
Keywords: using printing; columnar jointed; jointed rock; mechanical properties ... See more keywords
Experimental Investigation on Anisotropic Strength and Deformation Behaviors of Columnar Jointed Rock Mass in Confined State
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Geomechanics"
DOI: 10.1061/(asce)gm.1943-5622.0002139
Abstract: Abstract Columnar jointed rock mass (CJRM) has a special joint structure formed during the cooling of lava. The self-oriented joint structure can induce mechanical anisotropy of the rock mass, whic... read more here.
Keywords: columnar jointed; experimental investigation; jointed rock; rock mass ... See more keywords