Effect of Soil Parameter on the Long Drive Micro-tunelling Process a Case Study of Al Jadaf Area, Dubai, UAE

Devendra Datt Bhatt, Khalil Charif, Rabee Rustum

Research output: Chapter in Book/Report/Conference proceedingChapter (peer-reviewed)

Abstract

This paper presents the effect of Soil Parameter on the long drive micro-tunneling process. Terzaghi’s Silo Theory and Elastic Stress Relief Formulas are used for calculating the normal stress against the pipes. A detailed study tabulated for Al Jadaf Area across Oud Metha Road in Dubai, United Arab Emirates to check the effect of soil parameter, such as depth of excavation or invert level of micro-tunnelling, depth of ground water table, SPT Value and other soil properties. The study demonstrates that long term surface settlements confirm to the design theory limit. The high ground water table, fractures within the rock and close proximity to existing creek makes it very difficult to reduce the water table level in launching/receiving Pit and have difficulties in breaking the hard ground within the Pit. Determination of the surface settlement spot level difference is done physically at site by using latest surveying instrument, as described in the field exploration programme. By determining the difference between the two spot levels on a same coordinate, the amount of settlement and its effects on surface area can be established, which can be used as a guide line for future project and authentication of the theory.
Original languageEnglish
Title of host publicationSustainable Tunneling and Underground Use
Subtitle of host publicationProceedings of the 2nd GeoMEast International Congress and Exhibition on Sustainable Civil Infrastructures, Egypt 2018 – The Official International Congress of the Soil-Structure Interaction Group in Egypt (SSIGE)
EditorsMona Badr, Ayman Lotfy
PublisherSpringer
Chapter2
Pages19-30
Number of pages12
ISBN (Electronic)978-3-030-01884-9
ISBN (Print)978-3-030-01883-2
DOIs
Publication statusPublished - 1 Nov 2018

Keywords

  • Overcut
  • Micro-tunnelling
  • Terzaghi’s Silo theory
  • Ground water table
  • Jacking
  • Launch pit
  • SPT value

ASJC Scopus subject areas

  • Engineering(all)

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