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Modelling ground movements near a pressurised tunnel heading in drained granular soil.

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Title: Modelling ground movements near a pressurised tunnel heading in drained granular soil.
Authors: Zhang, Tianqi1, Neil Taylor, R.1, Zheng, Gang1 zhenggang1967@163.com, Sun, Jibin1, Fan, Qi1, Diao, Yu1, Zhou, Haizuo1
Source: Computers & Geotechnics. Dec2018, Vol. 104, p152-166. 15p.
Subjects: Boring & drilling (Earth & rocks), Soil vibration, Tunnel design & construction, Soil granularity, Structural failures
Abstract: Abstract Face pressurised tunnel boring machines usually engender a complex "expanding" displacement field near the tunnel heading, which has not been well studied. In this article, the ground movements near a pressurised tunnel heading in drained granular soil were first investigated by physical model tests, in which the catastrophic scenario of face collapse and the normal situation of shield advance were both reproduced. Then coupled Eulerian-Lagrangian analyses were performed to gain further insights into the ground movements near a pressurised tunnel front. The simulation results showed good agreements with the test data, and the ground response mechanism was finally made clear. [ABSTRACT FROM AUTHOR]
Copyright of Computers & Geotechnics is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 132346680
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Modelling ground movements near a pressurised tunnel heading in drained granular soil.
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  Data: <searchLink fieldCode="AR" term="%22Zhang%2C+Tianqi%22">Zhang, Tianqi</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Neil+Taylor%2C+R%2E%22">Neil Taylor, R.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Zheng%2C+Gang%22">Zheng, Gang</searchLink><relatesTo>1</relatesTo><i> zhenggang1967@163.com</i><br /><searchLink fieldCode="AR" term="%22Sun%2C+Jibin%22">Sun, Jibin</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Fan%2C+Qi%22">Fan, Qi</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Diao%2C+Yu%22">Diao, Yu</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Zhou%2C+Haizuo%22">Zhou, Haizuo</searchLink><relatesTo>1</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Computers+%26+Geotechnics%22">Computers & Geotechnics</searchLink>. Dec2018, Vol. 104, p152-166. 15p.
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  Data: <searchLink fieldCode="DE" term="%22Boring+%26+drilling+%28Earth+%26+rocks%29%22">Boring & drilling (Earth & rocks)</searchLink><br /><searchLink fieldCode="DE" term="%22Soil+vibration%22">Soil vibration</searchLink><br /><searchLink fieldCode="DE" term="%22Tunnel+design+%26+construction%22">Tunnel design & construction</searchLink><br /><searchLink fieldCode="DE" term="%22Soil+granularity%22">Soil granularity</searchLink><br /><searchLink fieldCode="DE" term="%22Structural+failures%22">Structural failures</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: Abstract Face pressurised tunnel boring machines usually engender a complex "expanding" displacement field near the tunnel heading, which has not been well studied. In this article, the ground movements near a pressurised tunnel heading in drained granular soil were first investigated by physical model tests, in which the catastrophic scenario of face collapse and the normal situation of shield advance were both reproduced. Then coupled Eulerian-Lagrangian analyses were performed to gain further insights into the ground movements near a pressurised tunnel front. The simulation results showed good agreements with the test data, and the ground response mechanism was finally made clear. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Computers & Geotechnics is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.1016/j.compgeo.2018.08.015
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      – Code: eng
        Text: English
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        PageCount: 15
        StartPage: 152
    Subjects:
      – SubjectFull: Boring & drilling (Earth & rocks)
        Type: general
      – SubjectFull: Soil vibration
        Type: general
      – SubjectFull: Tunnel design & construction
        Type: general
      – SubjectFull: Soil granularity
        Type: general
      – SubjectFull: Structural failures
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      – TitleFull: Modelling ground movements near a pressurised tunnel heading in drained granular soil.
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            NameFull: Zheng, Gang
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            – D: 01
              M: 12
              Text: Dec2018
              Type: published
              Y: 2018
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