Numerical Simulation of Mesoscopic Concrete Cracking Evolution

Hui Min Xu

doi:10.4028/www.scientific.net/AMR.651.312

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 651Numerical Simulation of Mesoscopic Concrete...

Numerical Simulation of Mesoscopic Concrete Cracking Evolution

Abstract:

Monte Carlo method and the Fuller curve are used to calculate the amount of the aggregate of concrete. The programmer of generating mesoscopic concrete is written to simulate the cracking evolution through two-dimensional plane. In the mesoscopic concrete, the sample is described by a Tri-phase material which consists of aggregate, matrices and interface. Based on the model， a study on how the cracks generate, develop and cut through in the concrete. The results show that: the interface is the vulnerable part of the concrete, the determination of the parameter and the damage criterion of the interface element is the governing factor. During the cracking evolution, the interface element destroyed firstly, and then the crack expense along the edge of the aggregates, cutting through the concrete and damaged finally. Numerical simulation of mesoscopic concrete cracking evolution can be used to understand and describe the damage style and strength characters.

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Periodical:

Advanced Materials Research (Volume 651)

Pages:

312-316

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.651.312

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Online since:

January 2013

Authors:

Hui Min Xu

Keywords:

Concrete, Cracking Evolution, Mesoscopic, Numerical Simulation

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