Engineering geological studies for empirical design of tunnel 7 of Jakarta - Bandung high-speed railway, Indonesia

The empirical design of tunnel 7 of the Jakarta-Bandung high-speed railway was based on the Basic Quality (BQ) system, which was the Chinese standard of rock mass classification. Due to the high uncertainty of a rock mass classification, comparative studies of rock mass quality and tunnel support sy...

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Autores principales:	Pramono Riski, Indrawan I Gde Budi, Junica Maulidya Indah
Formato:	article
Lenguaje:	EN FR
Publicado:	EDP Sciences 2021
Materias:	Environmental sciences GE1-350
Acceso en línea:	https://doaj.org/article/820bd377d95d4fe29bb4ade63f8e5a6e
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spelling	oai:doaj.org-article:820bd377d95d4fe29bb4ade63f8e5a6e2021-12-02T17:11:56ZEngineering geological studies for empirical design of tunnel 7 of Jakarta - Bandung high-speed railway, Indonesia2267-124210.1051/e3sconf/202132501007https://doaj.org/article/820bd377d95d4fe29bb4ade63f8e5a6e2021-01-01T00:00:00Zhttps://www.e3s-conferences.org/articles/e3sconf/pdf/2021/101/e3sconf_icst2021_01007.pdfhttps://doaj.org/toc/2267-1242The empirical design of tunnel 7 of the Jakarta-Bandung high-speed railway was based on the Basic Quality (BQ) system, which was the Chinese standard of rock mass classification. Due to the high uncertainty of a rock mass classification, comparative studies of rock mass quality and tunnel support systems based on other rock mass classifications are commonly required. The main objective of this research was to assess the rock mass quality and excavatability at the tunnel construction site and propose the tunnel support system based on three widely used methods, namely GSI, RMR, and Q-system. This study involved geological mapping, determination of surface and subsurface rock weathering, rock mass classification of drilling cores, and laboratory testing. The results show that the tunnel construction area consists of highly weathered volcanic and sedimentary rocks. The tunnel elevation consists of poor and extremely to very poor rock masses of sedimentary rocks. Hard digging is the optimum rock mass excavation method to use. Applications of rock bolt, wire mesh, and shotcrete are proposed for the tunnel support system.Pramono RiskiIndrawan I Gde BudiJunica Maulidya IndahEDP SciencesarticleEnvironmental sciencesGE1-350ENFRE3S Web of Conferences, Vol 325, p 01007 (2021)
institution	DOAJ
collection	DOAJ
language	EN FR
topic	Environmental sciences GE1-350
spellingShingle	Environmental sciences GE1-350 Pramono Riski Indrawan I Gde Budi Junica Maulidya Indah Engineering geological studies for empirical design of tunnel 7 of Jakarta - Bandung high-speed railway, Indonesia
description	The empirical design of tunnel 7 of the Jakarta-Bandung high-speed railway was based on the Basic Quality (BQ) system, which was the Chinese standard of rock mass classification. Due to the high uncertainty of a rock mass classification, comparative studies of rock mass quality and tunnel support systems based on other rock mass classifications are commonly required. The main objective of this research was to assess the rock mass quality and excavatability at the tunnel construction site and propose the tunnel support system based on three widely used methods, namely GSI, RMR, and Q-system. This study involved geological mapping, determination of surface and subsurface rock weathering, rock mass classification of drilling cores, and laboratory testing. The results show that the tunnel construction area consists of highly weathered volcanic and sedimentary rocks. The tunnel elevation consists of poor and extremely to very poor rock masses of sedimentary rocks. Hard digging is the optimum rock mass excavation method to use. Applications of rock bolt, wire mesh, and shotcrete are proposed for the tunnel support system.
format	article
author	Pramono Riski Indrawan I Gde Budi Junica Maulidya Indah
author_facet	Pramono Riski Indrawan I Gde Budi Junica Maulidya Indah
author_sort	Pramono Riski
title	Engineering geological studies for empirical design of tunnel 7 of Jakarta - Bandung high-speed railway, Indonesia
title_short	Engineering geological studies for empirical design of tunnel 7 of Jakarta - Bandung high-speed railway, Indonesia
title_full	Engineering geological studies for empirical design of tunnel 7 of Jakarta - Bandung high-speed railway, Indonesia
title_fullStr	Engineering geological studies for empirical design of tunnel 7 of Jakarta - Bandung high-speed railway, Indonesia
title_full_unstemmed	Engineering geological studies for empirical design of tunnel 7 of Jakarta - Bandung high-speed railway, Indonesia
title_sort	engineering geological studies for empirical design of tunnel 7 of jakarta - bandung high-speed railway, indonesia
publisher	EDP Sciences
publishDate	2021
url	https://doaj.org/article/820bd377d95d4fe29bb4ade63f8e5a6e
work_keys_str_mv	AT pramonoriski engineeringgeologicalstudiesforempiricaldesignoftunnel7ofjakartabandunghighspeedrailwayindonesia AT indrawanigdebudi engineeringgeologicalstudiesforempiricaldesignoftunnel7ofjakartabandunghighspeedrailwayindonesia AT junicamaulidyaindah engineeringgeologicalstudiesforempiricaldesignoftunnel7ofjakartabandunghighspeedrailwayindonesia
_version_	1718381442591883264

Engineering geological studies for empirical design of tunnel 7 of Jakarta - Bandung high-speed railway, Indonesia

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