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ASTM D4511-00

Historical Revision

Standard Test Method for Hydraulic Conductivity of Essentially Saturated Peat

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1.1 This test method covers the determination of the hydraulic conductivity (permeability) of essentially saturated, intact cylindrical specimens of peat when the hydraulic conductivity is greater than 1 10-7 m/s (1 10-5 cm/s). During the test, the specimens are contained in the core holder, or in right, regular cylindrical sections cut from the sampling tube in which they were originally obtained in the field.

1.2 Hydraulic conductivity is calculated on the basis of the measured constant flow rate through the specimen under constant head. For verification, flow rate determinations may be made at two or more values of constant head with corresponding calculations of hydraulic conductivity.

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

1.4 All observed and calculated values shall conform to the guide for significant digits and rounding established in Practice D6026.

1.4.1 The procedures used to specify how data are collected/recorded and calculated in this standard are regarded as the industry standard. In addition, they are representative of the significant digits that should generally be retained. The procedures used do not consider material variation, purpose for obtaining the data, special purpose studies, or any considerations for the user's objectives, and it is common practice to increase or reduce significant digits of reported data to be commensurate with these considerations. It is beyond the scope of this standard to consider significant digits used in analysis methods for engineering design.

1.5 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.


SDO ASTM: ASTM International
Document Number D4511
Publication Date Nov. 10, 2000
Language en - English
Page Count 5
Revision Level 00
Supercedes
Committee D18.04
Publish Date Document Id Type View
Nov. 1, 2011 D4511-11 Revision
Nov. 10, 2000 D4511-92R96 Revision
Nov. 10, 2000 D4511-00 Revision
Feb. 15, 2020 D4511-11R20 Reaffirmation
Feb. 1, 2006 D4511-00R06 Reaffirmation