Determination of drilling rate index based on mineralogical and textural properties of natural stones

Deniz Tumac, Aydin Shaterpour-Mamaghani*, Shahabedin Hojjati, Can Polat, Selman Er, Hanifi Copur, Cemal Balci

*Bu çalışma için yazışmadan sorumlu yazar

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Over the last few decades, researchers have focused on developing models that aim to predict the drillability of natural stones based on their physicomechanical properties using regression analyses. This study aims to investigate the relationships between the drilling rate index (DRI) of natural stones and their mineralogical and textural properties. A database composed of 37 natural stone samples was used to develop new DRI estimation models using regression analysis and the application of an evolutionary algorithm. The results revealed that the DRI could be predicted based on the texture coefficient, Shore scleroscope hardness, and the product of the uniaxial compressive strength and Brazilian tensile strength based on an analysis of the combined dataset consisting of natural stones of metamorphic, sedimentary, and magmatic origins. The non-linear models developed by the evolutionary computation algorithm revealed that the texture coefficient, mean grain size, uniaxial compressive strength, and Brazilian tensile strength could be used to predict the DRI of metamorphic natural stones. This study differs from previous studies through its use of a novel evolutionary algorithm based on a combination of gene expression programming and particle swarm optimization, which was used to perform a non-linear regression analysis to identify models that could accurately predict DRI. To improve the generalizability of the proposed models, more types of natural stones, especially those with magmatic origins, should be included in the database analyzed in this study.

Orijinal dilİngilizce
Makale numarası263
DergiBulletin of Engineering Geology and the Environment
Basın numarası7
Yayın durumuYayınlandı - Tem 2023

Bibliyografik not

Publisher Copyright:
© 2023, Springer-Verlag GmbH Germany, part of Springer Nature.


Financial support was provided by the Scientific Research Projects Unit (BAP) of Istanbul Technical University for Project No. ITU-MGA-2020–42534 as well as the Scientific and Technological Research Council of Turkey for Project Nos. MAG-112M860 and MAG-117M975.

FinansörlerFinansör numarası
Scientific Research Projects Unit
Istanbul Teknik ÜniversitesiITU-MGA-2020–42534, MAG-112M860, MAG-117M975

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