Analysis of tensile strength and failure mechanism based on parallel homogenization model for recycled concrete

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Abstract

In this paper, a parallel homogenization model for recycled concrete was proposed. A new type of finite element method, the base force element method, based on the complementary energy principle and the parallel homogenization model, is used to conduct meso-level damage research on recycled concrete. The stress–strain softening curve and failure mechanism of the recycled concrete under uniaxial compression load are analyzed using the nonlinear damage analysis program of the base force element method based on the parallel homogenization model. The tensile strength and destructive mechanisms of recycled concrete materials are studied using this parallel homogenization model. The calculation results are compared with the results of the experiments and meso-level random aggregate model analysis methods. The research results show that this parallel homogenization analysis method can be used to analyze the nonlinear damage analysis of recycled concrete materials. The tensile strength, stress–strain softening curve, and crack propagation process of recycled concrete materials can be obtained using the present method.

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Peng, Y., Zakaria, S., Sun, Y., Chen, Y., & Zhang, L. (2022). Analysis of tensile strength and failure mechanism based on parallel homogenization model for recycled concrete. Materials, 15(1). https://doi.org/10.3390/ma15010145

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