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The Comminution of Chert Gravel by Microwave Irradiation

Author

Listed:
  • Mark Tzibulsky

    (Civil Engineering Department, Sami Shamoon College of Engineering, Jabotinsky 84, Ashdod 77245, Israel)

  • Vladimir Frid

    (Civil Engineering Department, Sami Shamoon College of Engineering, Jabotinsky 84, Ashdod 77245, Israel)

Abstract

Chert, a by-product rock of sand quarrying, has historically posed economic challenges for aggregate production, resulting in significant “waste” accumulation in quarries. Our study investigates the effect of microwave irradiation on the mechanical properties of chert gravel, a mineralogically homogenous material composed of fine quartz grains. The results, which demonstrate that increased irradiation time leads to a substantial decrease in chert gravel strength (by a factor of 4–6 for 2.5 min of irradiation), underscore the potential impact of this research on comminution processes. With quenching altering the fractional content of the samples after the crushing test, reducing the Gravel-to-Sand ratio, this study is driven by the promising potential of crushed chert gravel as a pivotal aggregate within the concrete and asphalt industries, offering a practical solution to their material needs. The urgent need to rehabilitate previously utilized quarry areas, offering an environmentally beneficial solution for which we all should be responsible, motivated the present study.

Suggested Citation

  • Mark Tzibulsky & Vladimir Frid, 2024. "The Comminution of Chert Gravel by Microwave Irradiation," Resources, MDPI, vol. 13(5), pages 1-14, April.
    • Handle: RePEc:gam:jresou:v:13:y:2024:i:5:p:63-:d:1383372
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    References listed on IDEAS

    as
    1. Meiqian Wang & Wei Xu & Dakun Chen & Jianguo Li & Hongyuan Mu & Jian Mi & Yonghong Wu, 2022. "Summary of the Transformational Relationship between Point Load Strength Index and Uniaxial Compressive Strength of Rocks," Sustainability, MDPI, vol. 14(19), pages 1-14, September.
    2. Feng Gao & Yan Shao & Keping Zhou, 2020. "Analysis of Microwave Thermal Stress Fracture Characteristics and Size Effect of Sandstone under Microwave Heating," Energies, MDPI, vol. 13(14), pages 1-16, July.
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