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ASTM D4525-90(2001)
Standard Test Method for Permeability of Rocks by Flowing Air
STANDARD published on 25.5.1990
The information about the standard:
Designation standards: ASTM D4525-90(2001)
Note: WITHDRAWN
Publication date standards: 25.5.1990
SKU: NS-27582
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: American technical standard
Category: Technical standards ASTM
Annotation of standard text ASTM D4525-90(2001) :
Keywords:
flow and flow rate, permeability, ICS Number Code 93.020 (Earth works. Excavations. Foundation construction. Underground works)
Additional information
| 1. Scope | ||||||||
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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. |
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| 2. Referenced Documents | ||||||||
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