ISSN 2096-4498

   CN 44-1745/U

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Tunnel Construction ›› 2012, Vol. 32 ›› Issue (3): 404-406.DOI: 10.3973/j.issn.1672-741X.2012.03.026

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Application of “Balloon” Method in Construction of Side  Ditches of Highway Tunnels

SU Haifeng, LU Yan, CUI Wenyi   

  1. (China Construction Municipal Corporation Limited,Beijing 100161,China)
  • Received:2012-03-05 Revised:2012-03-30 Online:2012-06-20 Published:2012-07-09

Abstract: Regarding the construction of the side ditches of highway tunnels, comparison and contrast are made between precast method and “balloon” method in terms of construction convenience, quality control and cost. It is concluded that the “balloon” method is more safe, more economic and more efficient and can guarantee the construction quality of the side ditches.

Key words: “balloon&rdquo, method, highway tunnel, side ditch