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Simulating composite behaviour in SCL tunnels with sprayed waterproofing membrane interface : a state-of-the-art review
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Su, Jiang and Bloodworth, Alan G. (2019) Simulating composite behaviour in SCL tunnels with sprayed waterproofing membrane interface : a state-of-the-art review. Engineering Structures, 191 . pp. 698-710. doi:10.1016/j.engstruct.2019.04.067
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WRAP-Simulating-composite-behaviour-tunnels-waterproofing-Bloodworth-2019.pdf - Accepted Version - Requires a PDF viewer. Available under License Creative Commons Attribution Non-commercial No Derivatives 4.0. Download (1382Kb) | Preview |
Official URL: https://doi.org/10.1016/j.engstruct.2019.04.067
Abstract
Introduction of sprayed waterproofing has led to innovation of composite sprayed concrete lined (SCL) tunnels, where placing the waterproofing between primary and secondary layers gives potential for composite structural action, by transmission of tension, compression and shear stresses across the interface. Numerical analysis is required to design such structures taking into account soil-structure interaction and staged construction, but there is currently very limited guidance on how to conduct such analyses.
This paper reviews use of numerical analysis to simulate composite SCL tunnels, focussing on soft ground tunnelling. It introduces types of sprayed membrane, their benefits in design and current industry practice for simulating the sprayed membrane interface. Numerical strategies for simulating composite action and their verification against laboratory test data are then described. Recommendations are made of design principles to optimise design of SCL tunnels with spray-applied waterproofing. Further opportunities for research on this topic are discussed.
| Item Type: | Journal Article | ||||||||
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| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) T Technology > TH Building construction |
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| Divisions: | Faculty of Science > Engineering | ||||||||
| Library of Congress Subject Headings (LCSH): | Waterproofing , Shotcrete-lined tunnels, Tunneling | ||||||||
| Journal or Publication Title: | Engineering Structures | ||||||||
| Publisher: | Elsevier Science Ltd. | ||||||||
| ISSN: | 0141-0296 | ||||||||
| Official Date: | 15 July 2019 | ||||||||
| Dates: |
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| Volume: | 191 | ||||||||
| Page Range: | pp. 698-710 | ||||||||
| DOI: | 10.1016/j.engstruct.2019.04.067 | ||||||||
| Status: | Peer Reviewed | ||||||||
| Publication Status: | Published | ||||||||
| Access rights to Published version: | Restricted or Subscription Access | ||||||||
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