Engineering Geological Characteristics Based on Rock Mass Rating (RMR) and Geological Strength Index (GSI) in Jlantah Dam Intake Tunnel, Karanganyar District, Central Java Province

This paper presents the results of a geological engineering investigation in the form of rock mass characterization at the Jlantah Dam Intake Tunnel. The study was carried out through technical geological mapping, core drill evaluation and supported by laboratory test data. The determination of rock...

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Autores principales:	Putera Doni Apriadi, Hendrayana Heru, Indrawan I Gde Budi
Formato:	article
Lenguaje:	EN FR
Publicado:	EDP Sciences 2021
Materias:	Environmental sciences GE1-350
Acceso en línea:	https://doaj.org/article/6328f3eff7994d8c8ab6d2e97b937d29
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spelling	oai:doaj.org-article:6328f3eff7994d8c8ab6d2e97b937d292021-12-02T17:11:57ZEngineering Geological Characteristics Based on Rock Mass Rating (RMR) and Geological Strength Index (GSI) in Jlantah Dam Intake Tunnel, Karanganyar District, Central Java Province2267-124210.1051/e3sconf/202132508003https://doaj.org/article/6328f3eff7994d8c8ab6d2e97b937d292021-01-01T00:00:00Zhttps://www.e3s-conferences.org/articles/e3sconf/pdf/2021/101/e3sconf_icst2021_08003.pdfhttps://doaj.org/toc/2267-1242This paper presents the results of a geological engineering investigation in the form of rock mass characterization at the Jlantah Dam Intake Tunnel. The study was carried out through technical geological mapping, core drill evaluation and supported by laboratory test data. The determination of rock mass classification at the research site has been carried out using the Rock Mass Rating (RMR) method, but it is necessary to use another method that is more suitable based on rock mass for weak rocks, namely using the Geological Strength Index (GSI) method.The rock mass quality will be used as a parameter in determining the excavation method and tunnel support system that will be used in the Jlantah Dam intake tunnel. The results showed that the research area consisted of lithology in volcanic breccias and tuff lapilli. GSI rock mass value at the research location ranged from 15 - 65, while the RMR value ranged from 24 - 70. The correlation between RMR and GSI in the study area is different when compared to Hoek and Brown (1997) but has similarities with Zhang et al (2019).Putera Doni ApriadiHendrayana HeruIndrawan I Gde BudiEDP SciencesarticleEnvironmental sciencesGE1-350ENFRE3S Web of Conferences, Vol 325, p 08003 (2021)
institution	DOAJ
collection	DOAJ
language	EN FR
topic	Environmental sciences GE1-350
spellingShingle	Environmental sciences GE1-350 Putera Doni Apriadi Hendrayana Heru Indrawan I Gde Budi Engineering Geological Characteristics Based on Rock Mass Rating (RMR) and Geological Strength Index (GSI) in Jlantah Dam Intake Tunnel, Karanganyar District, Central Java Province
description	This paper presents the results of a geological engineering investigation in the form of rock mass characterization at the Jlantah Dam Intake Tunnel. The study was carried out through technical geological mapping, core drill evaluation and supported by laboratory test data. The determination of rock mass classification at the research site has been carried out using the Rock Mass Rating (RMR) method, but it is necessary to use another method that is more suitable based on rock mass for weak rocks, namely using the Geological Strength Index (GSI) method.The rock mass quality will be used as a parameter in determining the excavation method and tunnel support system that will be used in the Jlantah Dam intake tunnel. The results showed that the research area consisted of lithology in volcanic breccias and tuff lapilli. GSI rock mass value at the research location ranged from 15 - 65, while the RMR value ranged from 24 - 70. The correlation between RMR and GSI in the study area is different when compared to Hoek and Brown (1997) but has similarities with Zhang et al (2019).
format	article
author	Putera Doni Apriadi Hendrayana Heru Indrawan I Gde Budi
author_facet	Putera Doni Apriadi Hendrayana Heru Indrawan I Gde Budi
author_sort	Putera Doni Apriadi
title	Engineering Geological Characteristics Based on Rock Mass Rating (RMR) and Geological Strength Index (GSI) in Jlantah Dam Intake Tunnel, Karanganyar District, Central Java Province
title_short	Engineering Geological Characteristics Based on Rock Mass Rating (RMR) and Geological Strength Index (GSI) in Jlantah Dam Intake Tunnel, Karanganyar District, Central Java Province
title_full	Engineering Geological Characteristics Based on Rock Mass Rating (RMR) and Geological Strength Index (GSI) in Jlantah Dam Intake Tunnel, Karanganyar District, Central Java Province
title_fullStr	Engineering Geological Characteristics Based on Rock Mass Rating (RMR) and Geological Strength Index (GSI) in Jlantah Dam Intake Tunnel, Karanganyar District, Central Java Province
title_full_unstemmed	Engineering Geological Characteristics Based on Rock Mass Rating (RMR) and Geological Strength Index (GSI) in Jlantah Dam Intake Tunnel, Karanganyar District, Central Java Province
title_sort	engineering geological characteristics based on rock mass rating (rmr) and geological strength index (gsi) in jlantah dam intake tunnel, karanganyar district, central java province
publisher	EDP Sciences
publishDate	2021
url	https://doaj.org/article/6328f3eff7994d8c8ab6d2e97b937d29
work_keys_str_mv	AT puteradoniapriadi engineeringgeologicalcharacteristicsbasedonrockmassratingrmrandgeologicalstrengthindexgsiinjlantahdamintaketunnelkaranganyardistrictcentraljavaprovince AT hendrayanaheru engineeringgeologicalcharacteristicsbasedonrockmassratingrmrandgeologicalstrengthindexgsiinjlantahdamintaketunnelkaranganyardistrictcentraljavaprovince AT indrawanigdebudi engineeringgeologicalcharacteristicsbasedonrockmassratingrmrandgeologicalstrengthindexgsiinjlantahdamintaketunnelkaranganyardistrictcentraljavaprovince
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Engineering Geological Characteristics Based on Rock Mass Rating (RMR) and Geological Strength Index (GSI) in Jlantah Dam Intake Tunnel, Karanganyar District, Central Java Province

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