ASTM D4511-11(2020)
Standard Test Method for Hydraulic Conductivity of Essentially Saturated Peat

Standard No.

ASTM D4511-11(2020)

Release Date

2020

Published By

American Society for Testing and Materials (ASTM)

Latest

ASTM D4511-11(2020)

Scope

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.2 For verification, flow rate determinations may be made at two or more values of constant head with corresponding calculations of hydraulic conductivity. 1.3 Units—The values stated in SI units are to be regarded as standard. The values given in parentheses are provided for information only and are not considered standard. 1.3.1 The converted inch-pound units use the gravitational system of units. In this system, the pound (lbf) represents a unit of force (weight), while the unit for mass is slugs. The converted slug unit is not given, unless dynamic (F = ma) calculations are involved. 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

ASTM D4511-11(2020) Referenced Document

• ASTM D1587/D1587M Standard Practice for Thin-Walled Tube Sampling of Fine-Grained Soils for Geotechnical Purposes*， 2024-04-21 Update
• ASTM D2434 Standard Test Method for Permeability of Granular Soils (Constant Head)
• ASTM D2974 Standard Test Methods for Determining the Water (Moisture) Content, Ash Content, and Organic Material of Peat and Other Organic Soils
• ASTM D3740 Standard Practice for Minimum Requirements for Agencies Engaged in the Testing and/or Inspection of Soil and Rock as Used in Engineering Design and Construction
• ASTM D4220/D4220M Standard Practices for Preserving and Transporting Soil Samples*， 2024-04-21 Update
• ASTM D4753 Standard Specification for Evaluating, Selecting, and Specifying Balances and Scales for Use in Soil, Rock, and Construction Materials Testing
• ASTM D6026 Standard Practice for Using Significant Digits in Geotechnical Data
• ASTM D653 Standard Terminology Relating to Soil, Rock, and Contained Fluids

ASTM D4511-11(2020) history

• 2020 ASTM D4511-11(2020) Standard Test Method for Hydraulic Conductivity of Essentially Saturated Peat
• 2011 ASTM D4511-11 Standard Test Method for Hydraulic Conductivity of Essentially Saturated Peat
• 2000 ASTM D4511-00(2006) Standard Test Method for Hydraulic Conductivity of Essentially Saturated Peat
• 2000 ASTM D4511-00 Standard Test Method for Hydraulic Conductivity of Essentially Saturated Peat
• 1992 ASTM D4511-92(1996) Standard Test Method for Hydraulic Conductivity of Essentially Saturated Peat