Counter weight

Counter weight

  • CN 102,036,931 B
  • Filed: 05/20/2009
  • Issued: 12/03/2014
  • Est. Priority Date: 05/23/2008
  • Status: Active Grant
First Claim
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1. a counterweight, it possesses casing and is filled in the high density concrete in described casing, it is characterized in that,The water/binder ratio of described high density concrete is 35~

  • 60%,In described high density concrete, at least comprise heavy fines,Described heavy fines comprises the above particle diameter of 20 quality % and is less than the aggregate of 0.15mm, and to comprise the above particle diameter of 20 quality % be that 2.5mm is above and be less than the aggregate of 5mm.

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