Construction method for building foundation pit stope support

Construction method for building foundation pit stope support

CN
  • CN 1,043,263 C
  • Filed: 05/15/1997
  • Issued: 05/05/1999
  • Est. Priority Date: 05/15/1997
  • Status: Active Grant
First Claim
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1. the job practices of a building foundation pit stope support, its step comprises:

  • A) at first the supporting foundation soil body is reinforced the formation cement-earth underground continuous wall;

    B) before coagulating together on the cement, in this cement-earth underground continuous wall, insert vertical elongated rigid member;

    C) along above-mentioned cement-earth underground continuous wall according to desired depth stage excavation foundation ditch foundation soil body;

    D) at along continuous straight runs on the work plane that forms by above-mentioned cement-earth underground continuous wall that excavates out and tiltedly to forming soil nailing hole and bolthole;

    E) slip casting is carried out in above-mentioned soil nailing hole and bolthole, changed the intensity of above-mentioned hole surrounding soil;

    F) thus inserting elongated rigid member in above-mentioned soil nailing hole that is perfused with slurries and bolthole forms soil nailing and anchor pole respectively;

    G) on above-mentioned work plane, form protective surface.

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