Discussion on Distance Requirement and Settlement Control Standard of Metro Shield Tunnel Crossing Underneath Highpressure Liquefied Natural Gas (LNG) Pipeline

doi:10.3973/j.issn.1672-741X.2016.05.006

Tunnel Construction ›› 2016, Vol. 36 ›› Issue (5): 531-536.DOI: 10.3973/j.issn.1672-741X.2016.05.006

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Discussion on Distance Requirement and Settlement Control Standard of Metro Shield Tunnel Crossing Underneath Highpressure Liquefied Natural Gas (LNG) Pipeline

ZHANG Zhuqing

（China Railway First Survey & Design Institute Group Co., Ltd., Xi’an 710043, Shaanxi, China）

Received:2015-12-03 Revised:2016-02-26 Online:2016-05-20 Published:2016-05-25

Abstract

Abstract:

The Metro tunnel crossing underneath highpressure liquefied natural gas (LNG) pipelines becomes common as the development of Metro and highpressure LNG pipelines. The distance requirement and settlement control standard of Metro shield tunnel crossing underneath highpressure LNG pipeline in China are not so well developed. The distance requirements and settlement control standard calculation formula of Metro shield tunnel crossing underneath highpressure LNG pipeline are summarized and analyzed by means of theoretical calculation and case studies. The study results can provide reference for determining related requirements.

Key words: Metro, distance, shield tunnel, crossing underneath high pressure LNG pipeline, settlement control standard

CLC Number:

U 451

ZHANG Zhuqing. Discussion on Distance Requirement and Settlement Control Standard of Metro Shield Tunnel Crossing Underneath Highpressure Liquefied Natural Gas (LNG) Pipeline[J]. Tunnel Construction, 2016, 36(5): 531-536.

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Discussion on Distance Requirement and Settlement Control Standard of Metro Shield Tunnel Crossing Underneath Highpressure Liquefied Natural Gas (LNG) Pipeline

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