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Journal of Mining and Environment، جلد ۱۶، شماره ۴، صفحات ۱۲۹۷-۱۳۱۸
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عنوان انگلیسی A Comparative Investigation on the Brazilian Tensile Strength (BTS) of the Various Rocks and Development a BTS-Based Rock Classification
چکیده انگلیسی مقاله Brazilian tensile strength (BTS) is an important parameter in mining activities, particularly in conditions that rocks are under tensile stresses. This test measures the indirect tensile strength of rocks, which is crucial for understanding the mechanical behavior and quality of rocks in the mining context, including slope stability analysis, blast design, rock support systems, excavation and equipment selection, fracture propagation, and hydraulic fracturing and drilling. So far, no classification of tensile strength of rock for mining applications has been presented. In the present study, a new rock classification based on BTS for the various rocks was proposed. To achieve this purpose, by a reviewing previous studies, uniaxial compressive strength (UCS) and BTS of various rock classes, including igneous, sedimentary, and metamorphic were collected. For each rock class, the correlation equations between UCS and BTS were developed using simple regression analysis. Using data analyses, the rocks was categorized into to seven BTS classes. The findings revealed that igneous, sedimentary, and metamorphic rocks have a wide range of BTS values, and subsequent fall into the different BTS classes. The validity of BTS classification was verified using data of BTS and UCS of various rock classes published in the literature, and results showed that BTS can be as a suitable indicator for preliminary assessment of rock quality. This can lead to a better understand from the strength behavior of the rock under tensile stresses in site a mining activity, and therefore, a more accurate design of a mining project.
کلیدواژه‌های انگلیسی مقاله Brazilian Tensile Strength,Intact rock classification,Rock quality,Mining activity
نویسندگان مقاله Amin Jamshidi |
Department of Geology, Faculty of Basic Sciences, Lorestan University, Khorramabad, Iran

Deniz Akbay |
Department of Mining and Mineral Extraction, Çan Vocational School, Çanakkale Onsekiz Mart University, Çan, Turkey

نشانی اینترنتی https://jme.shahroodut.ac.ir/article_3444_9ff58dbcc74bda7b9975058ed29c744c.pdf
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