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Interaction Analysis of Collinear Two Cracks with Unequal Length under Uniaxial Traction

Author

Listed:
  • Bin Yu
  • Jingyi Xi
  • Zhonghui Chen
  • Lingfan Zhang

Abstract

The interaction among different sizes of cracks in materials is one of the key factors leading to the damage of brittle materials. Based on the Kachanov method, the expressions for the stress intensity factors of two collinear cracks with unequal length were obtained and the interaction effect was analyzed. A compression test of a cement mortar specimen containing two cracks and numerical analysis using were performed. The results indicate that the crack interaction can almost be neglected when the crack distance reaches the length of the large crack; the two respective collinear cracks in the specimen grow and do not affect each other when the crack distance reaches the large crack length. The results of compression test and numerical analysis are both in agreement with the theoretical result.

Suggested Citation

  • Bin Yu & Jingyi Xi & Zhonghui Chen & Lingfan Zhang, 2019. "Interaction Analysis of Collinear Two Cracks with Unequal Length under Uniaxial Traction," Mathematical Problems in Engineering, Hindawi, vol. 2019, pages 1-15, May.
    • Handle: RePEc:hin:jnlmpe:7231962
    DOI: 10.1155/2019/7231962
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    Cited by:

    1. Qun Li & Changfu Huang & Yanbo Zhang & Peng Liang & Xulong Yao & Guangyuan Yu, 2022. "Mechanical Properties and Energy Characteristics of Flawed Samples with Two Non-Parallel Flaws under Uniaxial Compression," Sustainability, MDPI, vol. 15(1), pages 1-15, December.

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