Analysis of damage evolution and study on mesoscopic damage constitutive model of granite under freeze–thaw cycling

Jia, Sibo; Yu, Qingyang; Yin, Huichao; Dai, Zhenxue; Yin, Shangxian; Kong, Yimeng; Thanh, Hung Vo; Soltanian, Mohamad Reza

doi:10.1007/s10064-024-03741-7

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Cited by 5 publications

References 29 publications

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A constitutive model of rock based on strain cone surface and the parameter calibration method with high efficiency

Li,

Hou,

Jiang

et al. 2025

Computers and Geotechnics

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A constitutive model of rock based on strain cone surface and the parameter calibration method with high efficiency

Li,

Hou,

Jiang

et al. 2025

Computers and Geotechnics

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Crack-tip propagation laws and energy evolution of fractured sandstone

Jiao,

Zuo,

Wen

et al. 2024

Engineering Failure Analysis

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Improved damage constitutive modeling of post-peak random failure behavior in quasi-brittle rocks

Zhang,

Ren,

et al. 2024

Preprint

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This paper captures the frequently encountered post-peak random failure behaviour of quasi-brittle rocks in conventional triaxial compression. The post-peak theoretical curve of the classic statistical damage constitutive model is essentially regulated by the Weibull distribution parameters m and F0. There exists a one-to-one mapping relationship between the array sets of parameters m and F0 and the confining pressure. However, the peak point method is unable to effectively constrain the post-peak theoretical curve of the model, resulting in the situation that under specific confining pressure, the post-peak theoretical curve of the classic model is unique and stochastic. In order to address this issue, this paper considers the influence of the degradation effect of damaged micro-elements on heterogeneity and proposes a modified damage model based on the classic damage model. A functional hypothesis expression integrating the effects of heterogeneity and stress level is constructed, and an improved statistical damage constitutive model considering the influence of damage threshold is derived. Through case verification and sensitivity analysis of model parameters, the results indicate that compared with the classic model, the model proposed in this paper, with only one additional parameter, can effectively simulate the post-peak random failure behaviour of heterogeneous quasi-brittle rocks under specific confining pressure. A comparison between predictions and published experimental data is claimed to be satisfactory, and it is revealed that the stress drop in the post-peak region of rocks is not completely random but exhibits stochastic characteristics within a certain range.

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Analysis of damage evolution and study on mesoscopic damage constitutive model of granite under freeze–thaw cycling

Cited by 5 publications

References 29 publications

A constitutive model of rock based on strain cone surface and the parameter calibration method with high efficiency

A constitutive model of rock based on strain cone surface and the parameter calibration method with high efficiency

Crack-tip propagation laws and energy evolution of fractured sandstone

Improved damage constitutive modeling of post-peak random failure behavior in quasi-brittle rocks

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