Method for plugging big aperture hand hole in shield tunnel

Method for plugging big aperture hand hole in shield tunnel

  • CN 102,080,547 A
  • Filed: 12/31/2010
  • Published: 06/01/2011
  • Est. Priority Date: 12/31/2010
  • Status: Active Application
First Claim
Patent Images

1. a method for blocking that is used for shield tunnel large pore hand hole is characterized in that the jacking plate that this method relates to a closed outsourcing frame and is placed in one, and this method adopts following steps:

  • Brushing acrylic acid ester emulsion on the hand hole basal plane;

    Reach and in hand hole, set up zinc-plated dowel;

    Place the end in the outsourcing frame to constitute jacking outsourcing box the jacking plate, and in the jacking outsourcing box cavity that is constituted, place inserts;

    One end of jacking outsourcing box opening is covered on the hand hole outside, advance the jacking plate afterwards.

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