ASTM-D6527 › Standard Test Method for Determining Unsaturated and Saturated Hydraulic Conductivity in Porous Media by Steady-State Centrifugation (Withdrawn 2017)
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1.1 This test method covers the determination of the hydraulic conductivity, or the permeability relative to water, of any porous medium in the laboratory, in particular, the hydraulic conductivity for water in subsurface materials, for example, soil, sediment, rock, concrete, and ceramic, either natural or artificial, especially in relatively impermeable materials or materials under highly unsaturated conditions. This test method covers determination of these properties using any form of steady-state centrifugation (SSC) in which fluid can be applied to a specimen with a constant flux or steady flow during centrifugation of the specimen. This test method only measures advective flow on core specimens in the laboratory.
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.3 This standard may involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
centrifugation; flow; hydraulic conductivity; permeability; porosity; porous media; rock; SSC-UFA; soil; steady-state; transport; unsaturated; unsaturated flow apparatus; water flux density: Water flux density; Centrifugation; Ceramic materials/applications; Concrete; Hydraulic conductivity/transmissivity; Porous media/materials; Rock materials/properties/analysis; Saturated hydraulic conductivity; Sediment; Soil; Steady-state centrifugation (SSC); Subsurface investigation--soil/rock; Unsaturated hydraulic conductivity; ICS Number Code 07.060 (Geology. Meteorology. Hydrology)
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2000 R08 EDITION
Oct. 1, 2008