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Journal of Engineering Geology. 2023, (04) Core

FREEZE-THAW DEGRADATION CHARACTERISTICS OF CARBONACEOUS SLATE ROCK SURROUNDING HIGH COLD TUNNEL IN XINJIANGChinese Full TextEnglish Full Text (MT)

BAO Weixing;LU Hanqing;GUO Qiang;YIN Yan;School of Highway,Chang’an University;Xinjiang Transportation and Construction Administration Bureau;

Abstract: This paper aims to explore the degradation law and anisotropic characteristics of freeze-thaw damage of strongly weathered carbonaceous slate surrounding rock in Xinjiang’s high-cold tunnel. The authors obtained three types of slate rock samples with bedding angles of 0°, 45°, and 90°, and conducted 0, 10, 20, 30, and 40 freeze-thaw cycles under open saturated conditions. After the freeze-thaw cycles, the author conducted macroscopic mechanical performance tests and fracture surface scanning ele... More
Keywords：

Cold region tunnel; Strongly weathered slate; Freeze-thaw damage mechanism; Scanning electron microscope; Damage variable;

  • DOI：

    10.13544/j.cnki.jeg.2023-0102

  • Series：

    (A) Mathematics/ Physics/ Mechanics/ Astronomy; (C) Architecture/ Energy/ Traffic/ Electromechanics, etc

  • Subject：

    Highway and Waterway Transportation

  • Classification Code：

    U451.2

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