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ORE DRESSING
ArticleName Specialties of granites and gabbro-diabase disintegration in crushed stone production
ArticleAuthor Kameneva Ye. Ye.
ArticleAuthorData Kameneva Yelena Yevgeniyevna, Associate Professor, Head of Build Rocks Testing Laboratory, tel. 7-921-701-21-46, elena.kameneva@mail.ru, Petrozavodsk State University (Russia).
Abstract
The results of gabbro-diabase and granites processing-mineralogical studies — main types of rocks used for crushed stone production, are presented. It is shown that a rock strength, caused by a combination of factors related to mineral composition, density, texture and structure, determines the rock behavior in crushing. Strength of crushed stone size fractions, produced in crushing of different structural types of rock, depends on arrangement of crushing circuit equipment and crushing process conditions and parameters.
keywords Gabbro-diabase, granite, mineral composition, textural-structural specialties, density, strength, disintegration.
References
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2. Magmaticheskiye gornyye porody (klassifikatsiya, nomenklatura, petrografiya) (Magmatic rock (classification, nomenclature, petrography)), Pt. 2, Мoscow, Nauka, 1985.
3. Protasov Yu. I. Razrusheniye gornykh porod (Rock destruction), Мoscow, Izd-vo MGGU (MSMU), 2002, 453 p.
4. Arsentyev V. A., Vaysberg L. A., Zarogatskiy L. P., Shuloyakov A. D. Proizvodstvo kubovidnogo shchebnya i stroitelnogo peska s ispolzovaniyem vibratsionnykh drobilok (Production of cubiform crushed stone and building sand with the use of vibratory crusher), St. Petersburg, Izd-vo VSEGEI, 2004, 112 p.
Language of full-text russian
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