ASTM D5856 PDF

Test Method for Determination of Hydraulic Conductivity of Porous Material Using a Rigid-wall Compaction-Mold Permeameter. Start. Standard ASTM standard · ASTM D Status: Withdrawn · Replaced by: ASTM D Soil and Rock (I): D – D (ASTM VOL ). ASTM D Standard Test Method for Measurement of Hydraulic Conductivity of Porous Material Using a Rigid-Wall, Compaction-Mold.

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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.

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ASTM D5856

Test Method D is recommended for any material that tends to shrink when exposed to the permeant liquid. The test method is designed to minimize the amount of air in the test specimen. Historical Version s – view previous versions of standard. It is not possible to buy in the shop – please contact us.

However, this test method is only intended to be used when water is the permeant liquid. Reliable aztm depend on many factors; Practice D provides a means of evaluating some of those factors.

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ASTM D5856 – 15

This test method applies to porous materials containing little or no air. Kontakt venligst Dansk Standard. Are you sure you want to unsubscribe monitoring? By tradition in U.

The problem tends to be of minimal significance for materials that swell when exposed to water for example, compacted, clayey soils but can be a very serious problem for materials that might tend to shrink and pull away from the walls of the permeameter. Users of this standard are cautioned that compliance with Practice D does not in itself ensure reliable results. The quality of the result produced by this standard is dependent on the competence of the personnel performing it, and the suitability of the equipment and facilities used.

By tradition in U. Du abonnerer allerede dette emne. However, when the hydraulic gradient acting on a test specimen is changed, the state of stress will also change, and, if the specimen or pore fluid is compressible, the volume of the test specimen or pore fluid will change. Are you sure you want to unsubscribe? The hydraulic conductivity of compacted materials that have hydraulic conductivities greater than 1?

ASTM D Standard

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Permeation with other liquids, such as chemical wastes, can be accomplished using procedures similar to those described in this test method. Do not show this again.

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You must be logged in to sign up for monitoring You must be logged in to sign up for subscription. Therefore, the results should be applied to field situations with caution and by qualified personnel. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applic. Experience has sometimes shown that flow patterns in small, laboratory-prepared test specimens do not necessarily follow the same patterns on large aetm scales and that hydraulic conductivities measured on small test specimens are not necessarily the same as larger-scale values.

However, this test method does not ensure complete saturation of the test specimen with water. Activation of monitoring failed – please try again later or contact us.

In cases where it is essential to saturate the test specimen fully with water, the compacted specimen may be tested using Test Method D It was not possible to unsubscribe – please astj again later or contact the Danish Standard Please make sure you are logged in.