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An analytical approach for the sequential excavation of axisymmetric lined tunnels in viscoelastic rock
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Wang, H. N., Utili, Stefano and Jiang, M. J. (2014) An analytical approach for the sequential excavation of axisymmetric lined tunnels in viscoelastic rock. International Journal of Rock Mechanics and Mining Sciences, 68 . pp. 85-106. doi:10.1016/j.ijrmms.2014.02.002 ISSN 1365-1609.
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Official URL: http://dx.doi.org/10.1016/j.ijrmms.2014.02.002
Abstract
The main factors for the observed time dependency in tunnel construction are due to the sequence of excavation, the number of liners and their times of installation and the rheological properties of the host rock. A generalized derivation procedure for any viscoelastic model is presented accounting for the sequential excavation of a circular tunnel supported by any number of liners of different thicknesses and stiffnesses installed at different times in a viscoelastic surrounding rock under a hydrostatic stress field under plane strain axisymmetric conditions. Sequential excavation was accounted for assuming the radius of the tunnel growing from an initial value to a final one according to a time-dependent function to be prescribed by the designer. The effect of tunnel advancement was also considered. For the generalized Kelvin viscoelastic model, explicit analytical closed form solutions were presented, which can be reduced to the solutions for the Maxwell and Kelvin models.
Item Type: | Journal Article | ||||||||||
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Subjects: | T Technology > TA Engineering (General). Civil engineering (General) | ||||||||||
Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||||||||
Library of Congress Subject Headings (LCSH): | Tunnels -- Design and construction, Viscoelastic materials | ||||||||||
Journal or Publication Title: | International Journal of Rock Mechanics and Mining Sciences | ||||||||||
Publisher: | Pergamon Press | ||||||||||
ISSN: | 1365-1609 | ||||||||||
Official Date: | June 2014 | ||||||||||
Dates: |
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Volume: | 68 | ||||||||||
Number of Pages: | 22 | ||||||||||
Page Range: | pp. 85-106 | ||||||||||
DOI: | 10.1016/j.ijrmms.2014.02.002 | ||||||||||
Status: | Peer Reviewed | ||||||||||
Publication Status: | Published | ||||||||||
Access rights to Published version: | Restricted or Subscription Access | ||||||||||
Date of first compliant deposit: | 30 December 2015 | ||||||||||
Date of first compliant Open Access: | 30 December 2015 | ||||||||||
Funder: | China. Guo jia ke xue ji shu bu [Ministry of Science and Technology] (CMST), Marie Skłodowska-Curie actions, Guo jia zi ran ke xue ji jin wei yuan hui (China) [National Natural Science Foundation of China] (NSFC) | ||||||||||
Grant number: | 2014CB046901 (CMST), 294976 (MSCa), 11ZR1438700 (NNSC), 51025932, 51179128 |
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