Slurry shield driven microtunnel applications in Istanbul

A. B. Akkaya*, H. Copur, N. Omac, H. M. Yucel

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Field performance of a shielded slurry microtunnel boring machine used for installing concrete pipelines in four different project sites in Istanbul is presented in this study. Herrenknecht AV N 1800C machine is used for installation of the wastewater pipelines. Brief descriptions of the projects are presented. Geological conditions and formations varying from rock to water-bearing sands and silts that the machine passes through the project sites are described briefly based on in-situ and laboratory site investigations. Field performance of the machine is summarized based on field observations and records, such as average system utilization and net advance rates, as well as downtime. The results demonstrate the success of microtunnelling to cope with varying ground conditions, which influence the boring performance to a great extent, without disruptions to the surface and underground utilities.

Original languageEnglish
Title of host publicationUnderground Space Use
Subtitle of host publicationAnalysis of the Past and Lessons for the Future - Proceedings of the 31st ITA-AITES World Tunnel Congress
Pages827-831
Number of pages5
Publication statusPublished - 2005
Event2005 ITA-AITES World Tunnel Congress and 31st General Assembly - Istanbul, Turkey
Duration: 7 May 200512 May 2005

Publication series

NameUnderground Space Use: Analysis of the Past and Lessons for the Future - Proceedings of the 31st ITA-AITES World Tunnel Congress
Volume2

Conference

Conference2005 ITA-AITES World Tunnel Congress and 31st General Assembly
Country/TerritoryTurkey
CityIstanbul
Period7/05/0512/05/05

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