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Journal of Mining and Environment، جلد ۱۴، شماره ۲، صفحات ۴۹۳-۵۰۶
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عنوان انگلیسی Analysis of Granite Failure Modes and Energy Conversion under Uniaxial Compression at Various Temperatures
چکیده انگلیسی مقاله The rocks in the studied area are prone to deterioration and failure due to frequent exposure to extreme temperature variations and loading conditions. In the context of rock engineering reliability assessment, understanding the energy conversion process in rocks is critical. Therefore, this research work aims to assess the energy characteristics and failure modes of pink and white-black granite subjected to uniaxial compression loading at various temperatures. Samples of pink and white-black granite are heated to a range of temperatures (0 °C, 200 °C, 400 °C, 600 °C, 900 °C, and 1100 °C), and their failure modes and energy characteristics including total energy, elastic energy, and dissipated energy are studied by testing preheated samples under uniaxial compression. The results show that the dissipation energy coefficient initially rises rapidly, and then falls back to its minimum value at the failure stage. The micro-structures of granite rock directly affect its elastic and dissipation energy. Axial splitting failure mode is observed in most of the damaged granite specimens. After heating granite to 600 °C, the effect of temperature on the failure mode becomes apparent.
کلیدواژه‌های انگلیسی مقاله Failure mode, granite, dissipated energy, elastic energy, axial splitting
نویسندگان مقاله Kausar Sultan Shah |
Department of Mining Engineering, Karakoram International University (KIU), Gilgit, Pakistan

Naeem Abbas |
Department of Mining Engineering, Karakoram International University (KIU), Gilgit, Pakistan

Li Kegang |
Faculty of Land Resource Engineering, Kunming University of Science and Technology, Kunming, Yunnan, China

Mohd Hazizan Bin Mohd Hashim |
Strategic Mineral Niche, School of Materials and Mineral Resources Engineering, Universiti Sains Malaysia, Engineering Campus, Nibong Tebal, Penang, Malaysia

Hafeez Ur Rehman |
Strategic Mineral Niche, School of Materials and Mineral Resources Engineering, Universiti Sains Malaysia, Engineering Campus, Nibong Tebal, Penang, Malaysia

Khan Gul Jadoon |
Department of Mining Engineering, Karakoram International University (KIU), Gilgit, Pakistan

نشانی اینترنتی https://jme.shahroodut.ac.ir/article_2752_5a1418536d582e9217b21332b6adf000.pdf
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