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Published in: Rock Mechanics and Rock Engineering 8/2022

16-05-2022 | Original Paper

Assessment of Engineering Properties of Limy Rocks Using Friction-Transfer Test: A Case Study

Authors: Seyed Davoud Mohammadi, Seyed Hossein Jalali, Nikoo Tavassoli Layen

Published in: Rock Mechanics and Rock Engineering | Issue 8/2022

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Abstract

Some expensive and challenging laboratory or field tests must be done to obtain the engineering properties of rocks. For avoiding time and cost consumption, some researchers have used simple tests to estimate some engineering properties. The friction-transfer test is partially destructive and can estimate the rock uniaxial compressive strength (UCS) using experimental equations or a previously prepared calibration graph. In this study, some engineering properties of seven types of limy rocks from Qom formation, collected from Hamadan province, were estimated using friction-transfer test results. Regression analysis between friction-transfer and physical properties tests show that the best relationship is between porosity (n%) and friction-transfer value (T) and torsion angle (θ) (R2 = 0.74). Friction-transfer engineering property regression analysis shows that the best relation is obtained between Brazilian tensile strength (BTS) and T, θ, because of the higher R2 (0.80). Relatively high coefficients of the determination indicate that the friction transfer can successfully predict the UCS of rocks. A conversion factor equal to 0.48 was obtained for estimating UCS by T values for this study data.

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Metadata
Title
Assessment of Engineering Properties of Limy Rocks Using Friction-Transfer Test: A Case Study
Authors
Seyed Davoud Mohammadi
Seyed Hossein Jalali
Nikoo Tavassoli Layen
Publication date
16-05-2022
Publisher
Springer Vienna
Published in
Rock Mechanics and Rock Engineering / Issue 8/2022
Print ISSN: 0723-2632
Electronic ISSN: 1434-453X
DOI
https://doi.org/10.1007/s00603-022-02881-0

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