Dynamic compaction vibration compound base-expanded pile machine and construction method of dynamic compaction vibration compound base-expanded pile

Dynamic compaction vibration compound base-expanded pile machine and construction method of dynamic compaction vibration compound base-expanded pile

  • CN 103,114,579 B
  • Filed: 02/22/2013
  • Issued: 01/07/2015
  • Est. Priority Date: 02/22/2013
  • Status: Active Grant
First Claim
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1. a strong rammer vibration compound expanded bore pile machine, described strong rammer vibration compound expanded bore pile machine is double-tube structure, comprises the inner and outer tubes be set in together, and diesel hammer, outer tube and interior pipe top are provided with flange, interior pipe can be extracted completely in outer tube, outer tube is provided with charge door, described diesel hammer is made up of hammer stem and tup, described tup is arranged on the flange on interior pipe top, and be enclosed within above outer pipe flange top, the effect of hammer power is applied simultaneously to inner and outer tubes, it is characterized in that:

  • described outer tube upper position is set with a vibrating hammer, described interior pipe bottom is provided with demountable flap valve opening drawing out soil equipment, described flap valve opening drawing out soil equipment comprises the interior pipe be installed in interior pipe and to fetch earth end socket steel plate, interior pipe fetches earth between end socket steel plate upper surface and interior pipe and is provided with soil sampler directive wheel, interior pipe centre position, end socket steel plate lower surface of fetching earth is fixedly connected with one and unloads native dowel bar, the bottom of unloading native dowel bar is hinged with the flap valve that fetches earth, describedly unload native dowel bar and the flap valve articulated position that fetches earth is provided with stopping means, the flap valve that makes to fetch earth can only upwards close up and can not open downwards.

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