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Recent content by BackfillTek

  1. BackfillTek

    Co Axial Cylinder vs Pipeline Viscometer

    Hello, I am currently studying the relationship of shear stress vs. shear rate using a co-axial cylinder viscometer (DIN 53019) and comparing the results to our lab pipeline viscometer. The material being tested is very fine grained tailings, approx 50% passing 20um. The consistency is...
  2. BackfillTek

    Slurry / Paste Rheology

    GIW has done work for us before. We have also used Pocock, Brass and other. It seems everyone has their own preference as far as viscometer/spindle combination. I am looking for some advantages/disadvantages of each type to make a decision as to which setup to purchase.
  3. BackfillTek

    Mine Tailings as Aggregate

    Tailings can be used as aggregate in soil-cement, but as mentioned above it is important to observe the chemistry and mineralogy. If the tailings are from a dry pond, excavation will result in varying particle size distributions. A laser analyser will help to classify the material. In general...
  4. BackfillTek

    Slurry / Paste Rheology

    Does anyone have experience with determining rheological properties of slurry, thickened tailings and paste? I am looking to purchase a new rheometer and I am hoping to find one that will be suitable for the entire range of consistencies. I don't think I will need one with all the bells and...
  5. BackfillTek

    Rheometer Selection

    Hello, I am in the market to purchase a rheometer for testing of slurry, thickened tailings and paste (high solids content)backfill. I have looked at several models including TA Instruments, Fann, Thermo Haake, Brookfield & others. Can anyone recommend a specific make/model and spindle...
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