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Journal of Mining and Environment، جلد ۱۳، شماره ۱، صفحات ۱-۱۳
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عنوان انگلیسی A Probability-Based Evaluation on Andesites for Their Use as Cladding Stone
چکیده انگلیسی مقاله Andesites with a satisfactory quality have been mainly considered as dimension stones worldwide. However, practical approaches are required to evaluate the dimension stone quality due to the increasing demand for natural resources. This study presents detailed laboratory investigations on andesitic rocks in NE Uşak, Turkey. For laboratory studies, representative rock blocks are obtained from unweathered (W0) to highly weathered (W3) rock masses. Laboratory test results demonstrate that progressive rock weathering has remarkable influences on the dry density (ρd), effective porosity (ne), pulse wave velocity (Vp), uniaxial compressive strength (UCS), flexural strength (FS), and Böhme abrasion value (AWR) of the andesitic rocks. Of the above parameters, ne seems to be the most affected rock property due to progressive rock weathering. Furthermore, based on the three-parameter Weibull distribution, andesitic rocks are evaluated for their use as cladding stones. A quantitative approach called the suitability index (SI) is proposed to quantify the quality of cladding stones for andesitic rocks, considering six different evaluation criteria (C1–C6). Two examples of SI calculations reveal the implementation of the proposed approach. The suitability of the proposed approach is also checked by Monte Carlo analysis, showing that the use of SI is suitable to quantify the cladding stone quality for the investigated andesitic rocks. However, the proposed approach should be improved by incorporating the mineralogical and textural characteristics into the SI calculations. Moreover, it should also be attempted to different andesitic rocks in order to observe the similarities or difficulties of quantifying the quality of cladding stones.
کلیدواژه‌های انگلیسی مقاله Andesite, Cladding Stone, Rock weathering, Weibull distribution
نویسندگان مقاله E. Koken |
Nanotechnology Engineering Department, Engineering Faculty, Abdullah Gul University, Kayseri, Turkey.

E. Başpınar Tuncay |
Geological Engineering Department, Engineering Faculty, Suleyman Demirel University, Isparta, Turkey.

نشانی اینترنتی http://jme.shahroodut.ac.ir/article_2317_d810a69e505b1e5cb3b81b5d97aa1307.pdf
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