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ASTM International - ASTM D4525-04

Standard Test Method for Permeability of Rocks by Flowing Air

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Organization: ASTM International
Publication Date: 1 July 2004
Status: inactive
Page Count: 5
ICS Code (Earthworks. Excavations. Foundation construction. Underground works): 93.020
significance And Use:

This test method is designed to measure the permeability to air of a small sample of rock. By extrapolation, this test method also determines an equivalent of the liquid permeability. This... View More

scope:

1.1 This test method covers the determination of the coefficient of specific permeability for the flow of air through rocks. The procedure is to establish representative values of the coefficient of permeability of rocks or well-indurated soils.

1.2 This test method is limited to permeability values greater than 0.9869 nm (1.0 microdarcy), and is limited to rocks free of oil or unctuous matter.

1.3 The values stated in SI units are to be regarded as the standard.

1.4 This standard does not purport to address the safety problems 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.

Document History

November 1, 2013
Standard Test Method for Permeability of Rocks by Flowing Air
1.1 This test method covers the determination of the coefficient of specific permeability for the flow of air through rocks. The method establishes representative values of the coefficient of...
November 1, 2013
Standard Test Method for Permeability of Rocks by Flowing Air
1.1 This test method covers the determination of the coefficient of specific permeability for the flow of air through rocks. The method establishes representative values of the coefficient of...
November 1, 2013
Standard Test Method for Permeability of Rocks by Flowing Air (Withdrawn 2022)
1.1 This test method covers the determination of the coefficient of specific permeability for the flow of air through rocks. The method establishes representative values of the coefficient of...
July 1, 2008
Standard Test Method for Permeability of Rocks by Flowing Air
This test method is designed to measure the permeability to air of a small sample of rock. By extrapolation, this test method also determines an equivalent of the liquid permeability. This parameter...
ASTM D4525-04
July 1, 2004
Standard Test Method for Permeability of Rocks by Flowing Air
This test method is designed to measure the permeability to air of a small sample of rock. By extrapolation, this test method also determines an equivalent of the liquid permeability. This parameter...
May 25, 1990
Standard Test Method for Permeability of Rocks by Flowing Air
1.1 This test method covers the determination of the coefficient of specific permeability for the flow of air through rocks. The procedure is to establish representative values of the coefficient of...
May 25, 1990
Standard Test Method for Permeability of Rocks by Flowing Air
1.1 This test method covers the determination of the coefficient of specific permeability for the flow of air through rocks. The procedure is to establish representative values of the coefficient of...
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