ISSN 2096-4498

   CN 44-1745/U

二维码

Tunnel Construction ›› 2006, Vol. 26 ›› Issue (6): 28-29,68.DOI: A

• wenzhang • Previous Articles     Next Articles

Breakthrough Clearance Survey of Metro Tunnels
Transferred from Existing Airraid Tunnels

WANG Jian   

  1. China Railway Tunnel Survey &|Design Institute Co., Ltd.
  • Received:2006-03-24 Online:2006-12-20 Published:2009-12-11

Abstract:

The existing 7381 airraid tunnel will be used to build Phase 1 project of MRT system in Harbin. The paper presents the contents of the breakthrough clearance survey that is needed in order to transfer the existing airraid tunnel into Metro tunnel. On basis of comparing the measured crosssections with the designed clearance, the paper makes analysis on the results of the breakthrough clearance survey and draws its preliminary conclusion.

Key words: existing tunnel  , Metro  , breakthrough  , clearance survey  , analysis

CLC Number: