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Mining Research and Development. 2021, (05) Core

Comparative Experimental Study on Thermal Conductivity and Characteristics of Granite Before and After Thermal ShockChinese Full TextEnglish Full Text (MT)

HE Shuixin;XI Baoping;CHENG Zepeng;LI Xiaoxue;YANG Xinxin;XIN Guoxu;DONG Yunsheng;College of Mining Engineering, Taiyuan University of Technology;Key Laboratory of In-situ Property Improving Mining of Ministry of Education,Taiyuan University of Technology;

Abstract: Thermal shock rupture has a great influence on the thermo physical properties of granite. In order to study the effect of thermal shock on the thermal conductivity and thermal characteristics of granite, the temperature field and temperature gradient field of granite before and after thermal shock treatment under conduction heating were tested. The results show that thermal shock stress destroys the binding state of granite mineral particles, causing the rupture of granite solid skeleton and for... More
Keywords：

Thermal shock; The Qinghai Gonghe granite; Thermal conductivity; Temperature field; Temperature gradient field;

  • DOI：

    10.13827/j.cnki.kyyk.2021.05.016

  • Series：

    (B) Chemistry/ Metallurgy/ Environment/ Mine Industry; (A) Mathematics/ Physics/ Mechanics/ Astronomy

  • Subject：

    Geophysics

  • Classification Code：

    P314

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