Construction method for composite foundation on soft soil stratum

Construction method for composite foundation on soft soil stratum

  • CN 103,966,995 A
  • Filed: 01/28/2013
  • Published: 08/06/2014
  • Est. Priority Date: 01/28/2013
  • Status: Active Application
First Claim
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1. the composite foundation construction method on soft soil layer:

  • its capital equipment has a machine, post hammer and barrel to be provided with a casing for dog-house, and construction method comprises location unwrapping wire, and pile-forming machine perching step, is characterized in that, further comprising the steps of;

    1) pile hole, is undertaken by clicking soft layer, causes a hole;

    In the time that load-carrying capacity of soft soil foundation is less than 80kPa, do not carry out this step;

    2) become monomer granular pile, ram and carry out by repeatedly feeding intake;

    3) become a prose style free from parallelism clump of piles, according to described step

         2) method, at many positions place, produce corresponding many monomers granular pile, form a prose style free from parallelism clump of piles;

    4) become composite foundation, process postmenstruation, forms complete composite foundation.

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