Zobrazeno 1 - 10
of 895
pro vyhledávání: '"Rock Joint"'
Autor:
Leibo Song, Quan Jiang, Shigui Du, Jiamin Song, Gang Wang, Yanting Gu, Xingkai Wang, Jinzhong Wu
Publikováno v:
International Journal of Mining Science and Technology, Vol 34, Iss 5, Pp 587-608 (2024)
2D profile lines play a critical role in cost-effectively evaluating rock joint properties and shear strength. However, the interval (ΔIL) between these lines significantly impacts roughness and shear strength assessments. A detailed study of 45 joi
Externí odkaz:
https://doaj.org/article/6a0d3e4bdbc246a095069079cc7e6eb9
Autor:
Chen Cui, Ivan Gratchev
Publikováno v:
Geotechnics, Vol 4, Iss 2, Pp 499-511 (2024)
The strength of jointed rock is a fundamental factor in the slope stability of rock mass. This research investigates the effect of infill thickness on the strength of jointed rock specimens. Unlike previous studies involving artificial rock-like mate
Externí odkaz:
https://doaj.org/article/71e22db82d5643c28eb7ca04b7ef479f
Publikováno v:
International Journal of Mining Science and Technology, Vol 34, Iss 4, Pp 461-477 (2024)
Accurate measurement of the evolution of rock joint void geometry is essential for comprehending the distribution characteristics of asperities responsible for shear and seepage behaviors. However, existing techniques often require specialized equipm
Externí odkaz:
https://doaj.org/article/31a1f3fe780449899110d664bf45b68f
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 16, Iss 2, Pp 379-392 (2024)
Conventional numerical solutions developed to describe the geomechanical behavior of rock interfaces subjected to differential load emphasize peak and residual shear strengths. The detailed analysis of pre- and post-peak shear stress-displacement beh
Externí odkaz:
https://doaj.org/article/d52728db723b4ff48fcdf571e9230ab8
Publikováno v:
Applied Sciences, Vol 14, Iss 20, p 9566 (2024)
The peak shear strength of a rock joint is an important indicator in rock engineering, such as mining and sloping. Therefore, direct shear tests were conducted using an RDS-200 rock direct shear apparatus, and the related data such as normal stress,
Externí odkaz:
https://doaj.org/article/f034dd61ff364230ac79749c8fcc0f80
Publikováno v:
Applied Sciences, Vol 14, Iss 19, p 8952 (2024)
Microbially induced calcium carbonate precipitation (MICP) is a technique used in geotechnical engineering to reinforce soil and rock. While it is commonly used for soil reinforcement, its application for rock reinforcement in saline–alkaline envir
Externí odkaz:
https://doaj.org/article/c1f579b361534ab7adc1bf9b1db90418
Publikováno v:
Geomechanics and Geophysics for Geo-Energy and Geo-Resources, Vol 9, Iss 1, Pp 1-20 (2023)
Abstract The shear strength of rock joints is critical in determining rock mass stability. However, the reliability of shear strength determined by testing only a few rock joint specimens is questionable due to the inherent heterogeneity of rock join
Externí odkaz:
https://doaj.org/article/f5e1157897464c27ba36961fdf4808a0
Publikováno v:
International Journal of Mining Science and Technology, Vol 33, Iss 10, Pp 1301-1316 (2023)
The asperity wear of rock joints significantly affects their shear behaviour. This study discusses the wear damage of the asperities on the joint surface, highlighting the roughness degradation characteristics during the shear process. The direct she
Externí odkaz:
https://doaj.org/article/5ad2b968cff04f8f81be0399f53c0f6d
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 15, Iss 9, Pp 2193-2208 (2023)
Since each rock joint is unique by nature, the utilization of replicas in direct shear testing is required to carry out experimental parameter studies. However, information about the ability of the replicas to simulate the shear mechanical behavior o
Externí odkaz:
https://doaj.org/article/fc340735e1ec4867a65280297e60bd8f
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 15, Iss 7, Pp 1700-1712 (2023)
Rock joints are one of the vital discontinuities in a natural rock mass. How to accurately and conveniently determine joint normal stiffness is therefore significant in rock mechanics. Here, first, seven existing methods for determining joint normal
Externí odkaz:
https://doaj.org/article/20c0b77dd71f45f98ce2d0e88f49f3f2