{ "article_id": 726, "public_id": "17b75426-ff8a-41b7-96c1-a9f6e6137715", "internal_identifier": null, "source_identifier": "39:91", "status": "published", "type": "research_article", "title": "Correlation between point load index and uniaxial compression strength for claystone from Caycuma formation Kocaeli, Turkey", "title_secondary": null, "abstract": "Evaluation of rock engineering properties is a significant phenomenon for mining, civil and geotechnical engineering\r\ndisciplines. Uniaxial compressive strength is one of the most important engineering parameters and it is used to characterize\r\nrocks from the strength point of view. The procedure to determine the uniaxial compression strength is standardized by\r\nInternational Society of Rock Mechanics Commission on Testing Methods (ISRM) and American Society for Testing and\r\nMaterials (ASTM). The indirect method proposed by the societies are generally preferred to evaluate the uniaxial compressive\r\nstrength utilizing the point load test because of simplicity and inexpensiveness of application. Numerous correlations are offered\r\nin the literature those are integrating uniaxial compression strength to the point load strength index. These equations’ variability\r\nrange is very large depending on the rock type and geological conditions. Because of these fundamental changes of equations it\r\nbecomes important to select the proper index for the determination of rock strength. This paper involves point load tests of clay\r\nstones which are a member of Caycuma formation of Kocaeli province for evaluating the uniaxial compression strength. 208\r\npoint load tests and 30 uniaxial compression tests are used to identify Caycuma formations’ characteristics throughout fifty\r\nmeters depth. As a consequence, an appropriate particular index value for calculating Caycuma clay stones’ uniaxial compression\r\nstrength is achieved with the correlations subjected to the point load tests.  ", "language": "en", "english_title": null, "english_abstract": null, "doi": null, "doi_url": null, "resource_url": "https://www.set-science.com/a/17b75426-ff8a-41b7-96c1-a9f6e6137715", "pdf_url": "https://www.set-science.com/a/17b75426-ff8a-41b7-96c1-a9f6e6137715/pdf", "og_image": "https://www.set-science.com/assets/img/og-card-v2.png", "authors": [ { "public_id": "e3fbb1a7-8e7a-43e4-9e52-98329de19596", "given": "Zülal", "family": "Akbay Arama", "full": "Zülal Akbay Arama", "literal": null, "orcid": null, "orcid_url": null, "email": "zakbay@istanbul.edu.tr", "corresponding": true, "sequence": "first", "affiliations": [ { "name": "İstanbul University", "department": null, "country": null, "country_code": null, "ror": null, "ror_url": null } ] }, { "public_id": "19e48f2b-092b-4d80-ba3f-e01d03c3e295", "given": "Melek", "family": "Yaramış", "full": "Melek Yaramış", "literal": null, "orcid": null, "orcid_url": null, "email": "zakbay@istanbul.edu.tr", "corresponding": false, "sequence": "additional", "affiliations": [ { "name": "İstanbul University", "department": null, "country": null, "country_code": null, "ror": null, "ror_url": null } ] } ], "keywords": [ "Rock, point load test, uniaxial compression strength, correlation." ], "translations": [ { "language": "en", "title": "Correlation between point load index and uniaxial compression strength for claystone from Caycuma formation Kocaeli, Turkey", "abstract": "Evaluation of rock engineering properties is a significant phenomenon for mining, civil and geotechnical engineering\r\ndisciplines. Uniaxial compressive strength is one of the most important engineering parameters and it is used to characterize\r\nrocks from the strength point of view. The procedure to determine the uniaxial compression strength is standardized by\r\nInternational Society of Rock Mechanics Commission on Testing Methods (ISRM) and American Society for Testing and\r\nMaterials (ASTM). The indirect method proposed by the societies are generally preferred to evaluate the uniaxial compressive\r\nstrength utilizing the point load test because of simplicity and inexpensiveness of application. Numerous correlations are offered\r\nin the literature those are integrating uniaxial compression strength to the point load strength index. These equations’ variability\r\nrange is very large depending on the rock type and geological conditions. Because of these fundamental changes of equations it\r\nbecomes important to select the proper index for the determination of rock strength. This paper involves point load tests of clay\r\nstones which are a member of Caycuma formation of Kocaeli province for evaluating the uniaxial compression strength. 208\r\npoint load tests and 30 uniaxial compression tests are used to identify Caycuma formations’ characteristics throughout fifty\r\nmeters depth. As a consequence, an appropriate particular index value for calculating Caycuma clay stones’ uniaxial compression\r\nstrength is achieved with the correlations subjected to the point load tests.  \r\n", "keywords": [ "Rock, point load test, uniaxial compression strength, correlation." ] } ], "subjects": [], "subject_names": [], "published_date": "2018-12-31", "published_year": "2018", "received_date": null, "accepted_date": null, "volume": "3", "issue": null, "page_first": "476", "page_last": "481", "article_number": null, "conference": { "short_name": "ISAS2018-Winter", "full_title": "2nd International Symposium on Innovative Approaches in Scientific Studies", "name": "2nd International Symposium on Innovative Approaches in Scientific Studies", "acronym": "ISAS2018-Winter", "location": "Samsun, Türkiye", "start_date": "2018-11-30", "end_date": null, "public_id": "b8a703cc-09f7-4d5b-ae60-eb31a1050720" }, "proceedings": { "title": "2nd International Symposium on Innovative Approaches in Scientific Studies", "series_title": "Setsci conference indexing system", "publisher": "SET Technology", "isbn": null, "eisbn": null, "issn": "2618-6446", "eissn": null, "doi": null, "doi_prefix": null, "slug": "setsci-volume-3-2018-legacy-39", "public_id": "641f522e-9cf0-4c89-be17-c6037f3d1bca", "url": "https://www.set-science.com/p/setsci-volume-3-2018-legacy-39" }, "license": { "name": "CC BY 4.0", "url": "https://creativecommons.org/licenses/by/4.0/", "code": "CC-BY-4.0", "open_access": true }, "copyright": { "holder": "SET Technology", "year": "2018" }, "funding_statement": null, "funders": [], "references": [ { "order": 1, "raw": "A. 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