Failure Process Analysis of Cement under Explosive Loading with a Generalized Driven Nonlinear Threshold Model

Hai Ying Wang; Yong Liu; Sheng Wang Hao; Yi Long Bai

doi:10.4028/www.scientific.net/AMR.41-42.291

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Failure Process Analysis of Cement under Explosive Loading with a Generalized Driven Nonlinear Threshold Model
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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 41-42Failure Process Analysis of Cement under Explosive...

Failure Process Analysis of Cement under Explosive Loading with a Generalized Driven Nonlinear Threshold Model

Abstract:

The microstructural heterogeneity and stress fluctuation play important roles in the failure process of brittle materials. In this paper, a generalized driven nonlinear threshold model with stress fluctuation is presented to study the effects of microstructural heterogeneity on continuum damage evolution. As an illustration, the failure process of cement material under explosive loading is analyzed using the model. The result agrees well with the experimental one, which proves the efficiency of the model.