Jointed rock
Nettet18. sep. 2004 · Jointed rock masses are typically made up from numerous polyhedral rock blocks, whose faces are determined by discontinuities in the rock field. The … Nettet4. mar. 2024 · To study the effects of confining pressure and joint material properties on stress evolution and fracture behavior of jointed rock mass under SHPB impact load, the numerical software LS-DYNA and the indoor SHPB impact system are used to carry out experimental research on intact rock mass and jointed rock mass. The peak stress, …
Jointed rock
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NettetShear strength of jointed rock is much lower than the strength of intact rocks. In the field, it represents the plane of weakness, and it can be associated w... Nettet25. sep. 1995 · For rational analysis and design, it is essential to understand the hydraulic and mechanical behaviour of the rock mass, the natural joint mechanisms that govern …
Nettet20. jun. 2024 · Teng et al. studied the shear behavior and the axial force distribution of bolt by the shear test of jointed rock mass with two joints under three conditions of no-anchored, end-anchored and full ... NettetPUBLICATION INFO. The in situ rock mass rating system – IRMR - leading to the mining rock mass rating system - MRMR - for jointed rock masses has been used (and …
NettetJointed rock masses are usually weaker, and more deformable and are highly anisotropic when compared with intact rocks. Constitutive modeling of jointed rock masses has long been a subject of interest and … Nettet9. jan. 2024 · A new creep model for modeling time-dependent deformation behavior of jointed rock mass is proposed. Time-dependent deformation of jointed rock mass is …
Nettet24. des. 2014 · Then, columnar jointed rock mass specimens with dip angles ranging from 0° to 90° relative to the vertical direction are prepared and a series of uniaxial compression tests are conducted on these simulated columnar jointed rock mass specimens to investigate the strength and deformation anisotropy properties and failure …
Nettet20. sep. 2024 · The existence of parallel joints has an impact on the size effect of the uniaxial compressive strength of rock, but the relationship is yet to be obtained. In this paper, the influence of parallel-joint spacing on the size effect and characteristic size of rock uniaxial compressive strength is studied by establishing five types of parallel-joint … git powerappsNettetType: SRK News Article. The in situ rock mass rating system – IRMR - leading to the mining rock mass rating system - MRMR - for jointed rock masses has been used (and abused) in mining operations around the world for the past 27 years. Despite the recent development of elaborate design procedures and computer-aided design packages, … git pr checkoutNettet5. jul. 2007 · Common, although increasingly criticized (see Yang et al. 2024 and, approaches for slope rock masses include the Geological Strength Index (GSI; e.g. … furniture movers greene countyNettetExfoliation joints exposed in a road cut in Yosemite National Park, California. This theory was originally proposed by the pioneering geomorphologist Grove Karl Gilbert in 1904. The basis of this theory is that erosion of overburden and exhumation of deeply buried rock to the ground surface allows previously compressed rock to expand radially ... git powerpoint templateNettetof jointed rock masses, however, ‘‘further work is required to develop more precise, practical, and easy-to-use methods for determining the rock mass strength’’ (Edelbro et al. git pre commit hook c#Nettet31. des. 1997 · You can buy the Mechanics of Jointed and Faulted Rock book at one of 20+ online bookstores with BookScouter, the website that helps find the best deal … furniture movers fort collins coNettet12. sep. 1988 · The determination of the overall permeability of jointed rock masses and its anisotropy are discussed and geothermal energy production. INTRODUCTION The … git precious