Structure form, steel bar and service time were considered to be the main factors of the tunnel disease state, based on the disease inspection results of subway tunnels in Beijing. The conclusion indicated that the diseases of shield tunnel such as ovalization of tunnel cross section, lining cracks, crushing and dislocation of duct pieces and water leakage were caused by the deformation of segment joints. Lining crack was the main disease form in monolithic tunnel. The width and depth of cracks were greatly influenced by tunnel operation time and had the characteristics of discreteness and random. Steel bar used in concrete lining could significantly enhance safety of tunnel structures. Water leakage in subway tunnel was influenced by rainfall and usually could be observed at the gaps of tunnel structures, such as bolt holes and segment joint of shield tunnel or the construction joints, deformation joints and lining cracks of monolithic tunnel. The most lining cavities were found located at the vault and the cavity shape was similar to strip, square or oval with lining cracking nearby. The carbonation depth of lining concrete was proportional to tunnel operation time and its value and speed at ballast bed was most, sidewall less and vault least. It is hoped that the results can provide some reference for the disease law analysis and treatment of urban tunnel.
| Published in | Journal of Civil, Construction and Environmental Engineering (Volume 6, Issue 2) |
| DOI | 10.11648/j.jccee.20210602.14 |
| Page(s) | 54-62 |
| Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
| Copyright |
Copyright © The Author(s), 2021. Published by Science Publishing Group |
Subway Tunnel, Disease, Shield Tunnel, Monolithic Tunnel, Crack, Water Leakage
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APA Style
Fei Dong, Jun Huang, Ao Li, Caichi Gao. (2021). Analysis on Disease State of Urban Operational Subway Tunnels. Journal of Civil, Construction and Environmental Engineering, 6(2), 54-62. https://doi.org/10.11648/j.jccee.20210602.14
ACS Style
Fei Dong; Jun Huang; Ao Li; Caichi Gao. Analysis on Disease State of Urban Operational Subway Tunnels. J. Civ. Constr. Environ. Eng. 2021, 6(2), 54-62. doi: 10.11648/j.jccee.20210602.14
AMA Style
Fei Dong, Jun Huang, Ao Li, Caichi Gao. Analysis on Disease State of Urban Operational Subway Tunnels. J Civ Constr Environ Eng. 2021;6(2):54-62. doi: 10.11648/j.jccee.20210602.14
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Download@article{10.11648/j.jccee.20210602.14,
author = {Fei Dong and Jun Huang and Ao Li and Caichi Gao},
title = {Analysis on Disease State of Urban Operational Subway Tunnels},
journal = {Journal of Civil, Construction and Environmental Engineering},
volume = {6},
number = {2},
pages = {54-62},
doi = {10.11648/j.jccee.20210602.14},
url = {https://doi.org/10.11648/j.jccee.20210602.14},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.jccee.20210602.14},
abstract = {Structure form, steel bar and service time were considered to be the main factors of the tunnel disease state, based on the disease inspection results of subway tunnels in Beijing. The conclusion indicated that the diseases of shield tunnel such as ovalization of tunnel cross section, lining cracks, crushing and dislocation of duct pieces and water leakage were caused by the deformation of segment joints. Lining crack was the main disease form in monolithic tunnel. The width and depth of cracks were greatly influenced by tunnel operation time and had the characteristics of discreteness and random. Steel bar used in concrete lining could significantly enhance safety of tunnel structures. Water leakage in subway tunnel was influenced by rainfall and usually could be observed at the gaps of tunnel structures, such as bolt holes and segment joint of shield tunnel or the construction joints, deformation joints and lining cracks of monolithic tunnel. The most lining cavities were found located at the vault and the cavity shape was similar to strip, square or oval with lining cracking nearby. The carbonation depth of lining concrete was proportional to tunnel operation time and its value and speed at ballast bed was most, sidewall less and vault least. It is hoped that the results can provide some reference for the disease law analysis and treatment of urban tunnel.},
year = {2021}
}
TY - JOUR T1 - Analysis on Disease State of Urban Operational Subway Tunnels AU - Fei Dong AU - Jun Huang AU - Ao Li AU - Caichi Gao Y1 - 2021/04/07 PY - 2021 N1 - https://doi.org/10.11648/j.jccee.20210602.14 DO - 10.11648/j.jccee.20210602.14 T2 - Journal of Civil, Construction and Environmental Engineering JF - Journal of Civil, Construction and Environmental Engineering JO - Journal of Civil, Construction and Environmental Engineering SP - 54 EP - 62 PB - Science Publishing Group SN - 2637-3890 UR - https://doi.org/10.11648/j.jccee.20210602.14 AB - Structure form, steel bar and service time were considered to be the main factors of the tunnel disease state, based on the disease inspection results of subway tunnels in Beijing. The conclusion indicated that the diseases of shield tunnel such as ovalization of tunnel cross section, lining cracks, crushing and dislocation of duct pieces and water leakage were caused by the deformation of segment joints. Lining crack was the main disease form in monolithic tunnel. The width and depth of cracks were greatly influenced by tunnel operation time and had the characteristics of discreteness and random. Steel bar used in concrete lining could significantly enhance safety of tunnel structures. Water leakage in subway tunnel was influenced by rainfall and usually could be observed at the gaps of tunnel structures, such as bolt holes and segment joint of shield tunnel or the construction joints, deformation joints and lining cracks of monolithic tunnel. The most lining cavities were found located at the vault and the cavity shape was similar to strip, square or oval with lining cracking nearby. The carbonation depth of lining concrete was proportional to tunnel operation time and its value and speed at ballast bed was most, sidewall less and vault least. It is hoped that the results can provide some reference for the disease law analysis and treatment of urban tunnel. VL - 6 IS - 2 ER -
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