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MODERN TUNNELLING TECHNOLOGY 2012, Vol. 49 Issue (2) :142-146    DOI:
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Protection Scheme for a Shallow-Bored Tunnel Under a Gas Pipeline with Intermediate High Pressure
(Tunneling Company of Shenzhen Municipal Engineering Corporation, Shenzhen 518000)
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Abstract During metro construction, underground pipelines, especially gas pipelines, are often encountered in very close proximity, which significantly affects the safety and construction schedule of a bored metro tunnel. As for the Antuoshan to Qiaoxiang section of Lot 2222 of the Shenzhen Metro line 2, horizontal jet grouting piles and deep-hole curtain grouting, as well as pipeline hanging, were undertaken to effectively control settlement. This paper presents a comparison of various protection schemes as well as their implementation and effects.
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ZHU Kang-Ning
Keywords：  Shallow bored tunnel   Gas pipeline with intermediate pressure   Horizontal jet grouting   Deep-hole curtain grouting   Pipeline hanging   Freezing method     
Abstract： During metro construction, underground pipelines, especially gas pipelines, are often encountered in very close proximity, which significantly affects the safety and construction schedule of a bored metro tunnel. As for the Antuoshan to Qiaoxiang section of Lot 2222 of the Shenzhen Metro line 2, horizontal jet grouting piles and deep-hole curtain grouting, as well as pipeline hanging, were undertaken to effectively control settlement. This paper presents a comparison of various protection schemes as well as their implementation and effects.
Keywords：  Shallow bored tunnel,   Gas pipeline with intermediate pressure,   Horizontal jet grouting,   Deep-hole curtain grouting,   Pipeline hanging,   Freezing method     
published: 2012-02-16
Cite this article:   
ZHU Kang-Ning .Protection Scheme for a Shallow-Bored Tunnel Under a Gas Pipeline with Intermediate High Pressure[J]  MODERN TUNNELLING TECHNOLOGY, 2012,V49(2): 142-146
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http://www.xdsdjs.com/EN/      或     http://www.xdsdjs.com/EN/Y2012/V49/I2/142
　
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