Search Results - "Karrari, Seyed Sajjad"

New Cerchar Device Used for Evaluating Cerchar Abrasivity Parameters by Karrari, Seyed Sajjad, Heidari, Mojtaba, Hamidi, Jafar Khademi, Teshnizi, Ebrahim Sharifi

“…Rock abrasivity is an important parameter that influences tool design and wear, the efficiency of tools, and cost during rock excavation. Generally, the…”
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Predicting geomechanical, abrasivity, and drillability properties in some igneous rocks using fabric features and petrographic indexes by Karrari, Seyed Sajjad, Heidari, Mojtaba, Hamidi, Jafar Khademi, Teshnizi, Ebrahim Sharifi

“…In this study, we have established and demonstrated the relationships between petrographic and fabric features of igneous rocks and their engineering…”
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Estimation of drilling rate index values of granitic rocks with their mineralogical properties using different estimation models by Karrari, Seyed Sajjad, Heidari, Mojtaba, Hamidi, Jafar Khademi, Teshnizi, Ebrahim Sharifi

“…The drilling rate index (DRI) is a measure, commonly used in predicting drillability in tunneling and drilling in quarry projects; this requires a particular…”
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