Abstract
A new method is proposed to simulate progressive failure processes in heterogeneous brittle materials such as concrete, ceramics, rocks etc., by considering the time-dependence of stress redistributions induced by local break... | Find, read and cite all the research you need on Tech Science Press
Highlights
A new method is proposed to simulate progressive failure processes in heterogeneous brittle materials such as concrete, ceramics, rocks etc., by considering the time-dependence of stress redistributions induced by local breakages
Two mechanisms of stress redistribution are incorporated into the proposed model in order to account for the influence of each local breakage on the remaining specimen: (1) One is the immediate release of internal forces in the breaking element, which is assumed to happen within an infinitesimal time when compared with the characteristic time of external loadings
The release of such internal forces is suddenly applied to the remaining specimen, which is considered to take time to deform correspondingly due to material viscosity
Summary
Modelling of Progressive Failures in Quasi-Brittle Media Via a Temporal Stress-Redistribution Mechanism Abstract: A new method is proposed to simulate progressive failure processes in heterogeneous brittle materials such as concrete, ceramics, rocks etc., by considering the time-dependence of stress redistributions induced by local breakages.
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