River Crossing Shielded Tunnel Remediation Techniques for Wuhan Metro No. 4 Line

›› 2016, Vol. 30 ›› Issue (1): 28-31.

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River Crossing Shielded Tunnel Remediation Techniques for Wuhan Metro No. 4 Line

XU Yanzhao

(China Railway Tunnel Stock Co., Ltd. Zhengzhou 450000)

Received:2015-06-09 Online:2016-02-20 Published:2016-03-02

Abstract

Abstract: In the crossriver project along Wuhan Metro Line 4, when the shield got through the portal, water burst and sand boil took place, damaging greatly lining segments. And they must be repaired ahead of usage. This paper will introduce relevant repairing methods to remediate the damaging situation. The paper can also provide some experience and reference for similar segment repair.
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Key words: Shielded Tunnels, Lining, Segment, Damage, Remediation, Steel Welding

XU Yanzhao. River Crossing Shielded Tunnel Remediation Techniques for Wuhan Metro No. 4 Line[J]. , 2016, 30(1): 28-31.

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River Crossing Shielded Tunnel Remediation Techniques for Wuhan Metro No. 4 Line

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