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This article in SSSAJ

  1. Vol. 41 No. 1, p. 19-22
     
    Received: June 28, 1976
    Published: Jan, 1977


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doi:10.2136/sssaj1977.03615995004100010010x

Fritted Glass Bead Materials as Tensiometers and Tension Plates1

  1. T.L. Chow2

Abstract

Abstract

A maximum temperature of 655°C which was reached in six steps with approximately 100°C/step/hour for 90 min was used to frit glass beads. Tensiometer or tension plate with desired dimension and operational characteristics can be constructed from the product. Uniformity tests on the product indicate negligible horizontal temperature variations during the fritting process and slow heat dissipation during the cooling phase tends to limit its thickness. Tests on the particle size distributions suggest that glass beads graded to very narrow distribution are required to produce fritted material with both the maximum saturated hydraulic conductivity and maximum air-entry value.

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