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Pinhole Dispersion Device

Model: HM-534
$398.0000
Price: $398.00

HM-534 Pinhole Dispersion Device characterizes dispersive properties of clay soils used in construction of earth embankments and dams. Water is directed through a small hole drilled through the compacted specimen. Observation of effluent cloudiness and final size of the pinhole qualitatively classifies soil dispersiveness. Additional computations of water flow rate may also be required. Comparison with other methods indicates that the pinhole test has the best correlation with the actual erosion characteristics of cohesive soils.

A stainless steel mold is held to the base by a unique clamping ring while the specimen is compacted. The end cap has a pilot hole for drilling the 1.0 mm (.040in) hole through the sample. All aluminum parts are anodized for corrosion resistance. Chamber and end-caps, mold, screens, base stand, a constant-head reservoir, tubing, pipet, and a tool for drilling the pinhole are included in HM-534.

Features:

  • Measures dispersive characteristics of cohesive soils
  • Evaluates soils for dams and embankments
  • Anodized aluminum components resist corrosion

Included Items:

  • HM-534 Pinhole Dispersion Device
    • Chamber and End Caps
    • Mold
    • Screens
    • Stand
    • Constant-Head Reservoir
    • Tubing
    • Pipet
    • Drilling Tool
Product Dimensions 3.5 x 3.5 x 5.75in (89 x 76 x 146mm) W x D x H
Estimated Shipping Weight 6.0lbs (2.72kg)

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Product Dimensions 3.5 x 3.5 x 5.75in (89 x 76 x 146mm) W x D x H
Estimated Shipping Weight 6.0lbs (2.72kg)
Meets Standard(s):
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