Technical note: Geotechnical conditions and hazards of urban tunneling in Tehran, Case Study: Motevaselian Tunnel

Engineering Geology and geotechnical parameters assessment is of the most important issues in successful tunnel design and construction operation. In urban areas, exact and complete reconnaissance of these parameters and site investigations are more critical as a result of the intensified effect of...

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Autores principales:	Karim Rowshanbakht, Kayvan Aghabayk, Tahmaz Ahmadpour
Formato:	article
Lenguaje:	FA
Publicado:	Iranian Society of Structrual Engineering (ISSE) 2018
Materias:	"urban tunneling" "tunnel boring machine" "tbm" "geotechnical parameters" "geological condition" Bridge engineering TG1-470 Building construction TH1-9745
Acceso en línea:	https://doaj.org/article/f504748dd54447b9b9461398f32c4488
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spelling	oai:doaj.org-article:f504748dd54447b9b9461398f32c44882021-11-08T15:50:38ZTechnical note: Geotechnical conditions and hazards of urban tunneling in Tehran, Case Study: Motevaselian Tunnel2476-39772538-261610.22065/jsce.2017.78925.1109https://doaj.org/article/f504748dd54447b9b9461398f32c44882018-10-01T00:00:00Zhttps://www.jsce.ir/article_48100_8fe23e8b8a435e0c981c413687248b2b.pdfhttps://doaj.org/toc/2476-3977https://doaj.org/toc/2538-2616Engineering Geology and geotechnical parameters assessment is of the most important issues in successful tunnel design and construction operation. In urban areas, exact and complete reconnaissance of these parameters and site investigations are more critical as a result of the intensified effect of settlement and failure of the tunnels. Geotechnical parameters and hazards in tunnel route also affect the tunnel boring machine (T.B.M) selection and so they are challenging and very important issues. Shahid Motevasselian tunnel with a length of 10 Km. connects Shahid Sayyad Shirazi highway south wards (from north of Sepah Sq.) to Azadegan highway. There is a high geological diversity in geological units as a result of North- south direction of the tunnel and so it is too complicated to assess the parameters. In this study, as a good experience, the method of dealing with the complexities to achieve a reliable assessment of geological and geotechnical conditions is considered and also the possible hazards in different parts of the tunnel is determined. According to the geological and geotechnical situation, tunnel rout is divided to 3 distinct parts (northern part, middle part and southern part) and introducing the different soil types in terms of Geotechnical parameters, range of different parameters in any soil type is determined by combining the results of field and laboratory investigations, and finally, the material properties of each soil type determined as well as possible hazards likely in different parts of the tunnel route.Karim RowshanbakhtKayvan AghabaykTahmaz AhmadpourIranian Society of Structrual Engineering (ISSE)article"urban tunneling""tunnel boring machine""tbm""geotechnical parameters""geological condition"Bridge engineeringTG1-470Building constructionTH1-9745FAJournal of Structural and Construction Engineering, Vol 5, Iss 3, Pp 221-234 (2018)
institution	DOAJ
collection	DOAJ
language	FA
topic	"urban tunneling" "tunnel boring machine" "tbm" "geotechnical parameters" "geological condition" Bridge engineering TG1-470 Building construction TH1-9745
spellingShingle	"urban tunneling" "tunnel boring machine" "tbm" "geotechnical parameters" "geological condition" Bridge engineering TG1-470 Building construction TH1-9745 Karim Rowshanbakht Kayvan Aghabayk Tahmaz Ahmadpour Technical note: Geotechnical conditions and hazards of urban tunneling in Tehran, Case Study: Motevaselian Tunnel
description	Engineering Geology and geotechnical parameters assessment is of the most important issues in successful tunnel design and construction operation. In urban areas, exact and complete reconnaissance of these parameters and site investigations are more critical as a result of the intensified effect of settlement and failure of the tunnels. Geotechnical parameters and hazards in tunnel route also affect the tunnel boring machine (T.B.M) selection and so they are challenging and very important issues. Shahid Motevasselian tunnel with a length of 10 Km. connects Shahid Sayyad Shirazi highway south wards (from north of Sepah Sq.) to Azadegan highway. There is a high geological diversity in geological units as a result of North- south direction of the tunnel and so it is too complicated to assess the parameters. In this study, as a good experience, the method of dealing with the complexities to achieve a reliable assessment of geological and geotechnical conditions is considered and also the possible hazards in different parts of the tunnel is determined. According to the geological and geotechnical situation, tunnel rout is divided to 3 distinct parts (northern part, middle part and southern part) and introducing the different soil types in terms of Geotechnical parameters, range of different parameters in any soil type is determined by combining the results of field and laboratory investigations, and finally, the material properties of each soil type determined as well as possible hazards likely in different parts of the tunnel route.
format	article
author	Karim Rowshanbakht Kayvan Aghabayk Tahmaz Ahmadpour
author_facet	Karim Rowshanbakht Kayvan Aghabayk Tahmaz Ahmadpour
author_sort	Karim Rowshanbakht
title	Technical note: Geotechnical conditions and hazards of urban tunneling in Tehran, Case Study: Motevaselian Tunnel
title_short	Technical note: Geotechnical conditions and hazards of urban tunneling in Tehran, Case Study: Motevaselian Tunnel
title_full	Technical note: Geotechnical conditions and hazards of urban tunneling in Tehran, Case Study: Motevaselian Tunnel
title_fullStr	Technical note: Geotechnical conditions and hazards of urban tunneling in Tehran, Case Study: Motevaselian Tunnel
title_full_unstemmed	Technical note: Geotechnical conditions and hazards of urban tunneling in Tehran, Case Study: Motevaselian Tunnel
title_sort	technical note: geotechnical conditions and hazards of urban tunneling in tehran, case study: motevaselian tunnel
publisher	Iranian Society of Structrual Engineering (ISSE)
publishDate	2018
url	https://doaj.org/article/f504748dd54447b9b9461398f32c4488
work_keys_str_mv	AT karimrowshanbakht technicalnotegeotechnicalconditionsandhazardsofurbantunnelingintehrancasestudymotevaseliantunnel AT kayvanaghabayk technicalnotegeotechnicalconditionsandhazardsofurbantunnelingintehrancasestudymotevaseliantunnel AT tahmazahmadpour technicalnotegeotechnicalconditionsandhazardsofurbantunnelingintehrancasestudymotevaseliantunnel
_version_	1718441714993070080

Technical note: Geotechnical conditions and hazards of urban tunneling in Tehran, Case Study: Motevaselian Tunnel

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