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Method For Monitoring Thixotropy In Concrete Mixing Drum

  • US 20110029134A1
  • Filed: 04/07/2008
  • Published: 02/03/2011
  • Est. Priority Date: 04/07/2008
  • Status: Active Grant
First Claim
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1. A method for monitoring thixotropy of concrete, comprising:

  • (A) rotating a concrete mix, or the components of a concrete, in a concrete mixing drum at a first mixing speed (S1) to mix completely the concrete mix components or otherwise to maintain the concrete in a completely mixed state; and

    (B) measuring the thixotropy of the concrete mix by monitoring the reversible, time dependent change in viscosity occurring after rotational speed of the concrete mix in the mixing drum is altered by changing to another speed (S2) that is different from S1.

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