Modelling brittle failure of rock
WebCracking model for concrete. The brittle cracking model in Abaqus/Explicit : provides a capability for modeling concrete in all types of structures: beams, trusses, shells and solids; can also be useful for … Web1 sep. 2002 · This paper presents a continuum modelling approach that captures an essential component of brittle rock mass failure, that is, …
Modelling brittle failure of rock
Did you know?
WebInternational Journal of Rock Mechanics & Mining Sciences 39 (2002) 731–741. Modelling brittle failure of rock V. Hajiabdolmajida,*, P.K. Kaisera, C.D. Martinb a Geomechanics Research Centre, Laurentian University, Sudbury, Ontario, Canada P3E 6B5 b Department of Civil and Environmental Engineering, University of Alberta, Edmonton, Alberta, … WebTo investigate the affect of water on the machine immobilie and acoustic emission (AE) key of coal in the failure the deformation processes. Coal spot of different contents were submitted to uniaxial compression tests and AE signals were controlled. The characteristics of the AE signalization were further analyses after fractal analysis. The results show that …
Web14 apr. 2024 · Jiang H (2024) A failure criterion for rocks and concrete based on the Hoek-Brown criterion. Int J Rock Mech Min Sci 95:62–72. Article Google Scholar Jiang Q, Yang Y, Yan F et al (2024) Deformation and failure behaviours of rock-concrete interfaces with natural morphology under shear testing. Constr Build Mater 293:123468 WebInfrastructure and Environment Research Division seminars
Web12 apr. 2024 · Almost all conventional discrete fracture network (DFN) models embedded within rock masses are discontinuities with zero tensile strength and mean values of … Web10 apr. 2024 · Various quasi-brittle materials have been applied in the construction of infrastructures, such as hard rock, concrete, masonry, stiff clay etc. Due to the high heterogeneity, anisotropy and discrete microstructures, the local deformation always happens around the crack tip when the quasi-brittle materials suffer tensile force, and …
Web10 apr. 2024 · Various quasi-brittle materials have been applied in the construction of infrastructures, such as hard rock, concrete, masonry, stiff clay etc. Due to the high …
Web21 apr. 2024 · This model predicts the brittle, brittle–transition and ductile zones for mudstones at high confining pressures. The brittle to ductile transition is not sudden, but … ky cdl training manualWeb17 jun. 2024 · ABSTRACT:. Understanding time-dependent deformation behavior of brittle rock is of great importance for designing rock structures for long-term stability. This … kyc document number meaning in teluguWeb31 jul. 2000 · A brittle cohesion-friction model is introduced that demonstrates that continuum models can be used to simulate brittle failure provided a constitutive … kyc documents adalahWebThis chapter presents a continuum modeling approach that captures an essential component of brittle rock mass failure, that is, cohesion weakening and frictional strengthening (CWFS) as functions of plastic strain. A Strain-dependent rock brittleness index is defined which can represent the mobilized strength during brittle failure of rock. kyc documents kenyaWeb3 jan. 2024 · The model was implemented in the 3D elasto-plastic cellular automaton system, and good agreement was achieved between the numerical simulation and … jc jardim americaWebused to model a non-linear variability of dilation (i.e., the formulation proposed by El Moustapha, 2014), thus obtaining a more accurate trend of volumetric strain in the brittle regime. After calibrating the model parameters to simulate the mechanical behaviour of a porous rock (i.e., Rothbach sandstone), the performance of the selected jc java new town ndWebRealistic model geometry (including the geometry of discontinuities) and the reliable material properties of the intact rock and discontinuities would increase the confidence … kyc documents for kotak mahindra bank