Rock Damage Constitutive Equation Based on Weibull Distribution of Intensity

Xiao Wei Li; Cheng Lin Jiang; Wen Peng Liu; Ming Ji

doi:10.4028/www.scientific.net/AMM.90-93.565

Paper Titles

Preliminary Study on Shear-Flow-Creep Experiment for the Fracture of Hard-Rock
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Prepartion and Atypical Mechianical Performance of Epoxy Asphalt Cement Mortars Composite Material for High Speed Railway
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Research of Slope Back Analysis Based on Inclination Monitoring Data
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Numerical Simulation of the Crack Propagation Processes in Rocks with Double Joints
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Rock Damage Constitutive Equation Based on Weibull Distribution of Intensity
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Dynamic Response of Horizontal Bedded Rocky Slopes under Earthquakes and Influence of Ground Motion Parameters
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Orthogonal Test for Impact Factor of Rigid Frame-Continuous Combined Bridge
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Simulation and Analysis for Laterally Loaded Pile in Clay
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Model Experimental Research on Anti-Sliding Characteristics of the Frame Anti-Sliding Piles
p.584

HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 90-93Rock Damage Constitutive Equation Based on Weibull...

Rock Damage Constitutive Equation Based on Weibull Distribution of Intensity

Abstract:

the evolution of rock microdefect is a random variation, and we can consider evolutionary process of microdefect system as nonequilibrium statistic processes. The microbit’s intensity distribution obey Weibull distribution, therefore, this paper adopts Druckr-Prager yield criterion, establishes the damage evolution equation using strain as characteristic parameter under the uniaxial stress, and derives relevant damage constitutive equation. Experiments prove that this equation, to some extent, reflect damage evolution processes under the uniaxial stress.