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Study on the Characteristics of Granite in Different Stress Stages through a Cyclic Loading Experiment

Author

Listed:
  • Handong Liu

    (Research Institute of Geotechnical Engineering and Hydraulic Structure, North China University of Water Resources and Electric Power, Zhengzhou 450046, China
    College of Geosciences and Engineering, North China University of Water Resources and Electric Power, Zhengzhou 450046, China)

  • Jialiang Wang

    (Research Institute of Geotechnical Engineering and Hydraulic Structure, North China University of Water Resources and Electric Power, Zhengzhou 450046, China
    College of Geosciences and Engineering, North China University of Water Resources and Electric Power, Zhengzhou 450046, China)

  • Huaichang Yu

    (Research Institute of Geotechnical Engineering and Hydraulic Structure, North China University of Water Resources and Electric Power, Zhengzhou 450046, China
    College of Geosciences and Engineering, North China University of Water Resources and Electric Power, Zhengzhou 450046, China)

  • Yiying Zhang

    (Yellow River Engineering Consulting Co., Ltd., Zhengzhou 450003, China)

Abstract

The deformation and failure process of rocks is a gradual process. The purpose of this study was to examine the characteristics of rocks in different stages through a cyclic loading experiment. The experiment was carried out based on the MTS815 rock mechanics test system combined with acoustic emission monitoring equipment to study the typical characteristics of two kinds of granite in the stages of crack closure, linear elastic deformation, crack initiation and stable crack growth, along with crack damage and unstable crack growth. The results showed that there were significant differences in the characteristics of the strain response, energy evolution, and acoustic emission of the two granites in the different stages. Although the microstructure and mineral elements of the two granites are different, the characteristics of the two granites in the same stage were similar, indicating that the stage characteristics of brittle rocks in the failure process may be widespread and have significant similarities.

Suggested Citation

  • Handong Liu & Jialiang Wang & Huaichang Yu & Yiying Zhang, 2023. "Study on the Characteristics of Granite in Different Stress Stages through a Cyclic Loading Experiment," Sustainability, MDPI, vol. 15(17), pages 1-20, August.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:17:p:12832-:d:1224464
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