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ASTM D 6780/D6780M : 2012 : REDLINE

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Standard Test Method for Water Content and Density of Soil In situ by Time Domain Reflectometry (TDR)
Available format(s)

PDF

Superseded date

20-01-2020

Language(s)

English

Published date

15-05-2012

CONTAINED IN VOL. 04.09, 2015 Establishes the water content of soils and the in situ density of soils using a TDR apparatus.

1.1This test method may be used to determine the water content of soils and the in situ density of soils using a TDR apparatus.

1.2This test method applies to soils that have 30 % or less by weight of their particles retained on the 19.0-mm [3/4-in.] sieve.

1.3This test method is suitable for use as a means of acceptance for compacted fill or embankments.

1.4This test method may not be suitable for organic and highly plastic soils.

1.5All observed and calculated values shall conform to the guidelines for significant digits and rounding established in Practice D6026.

1.5.1The method used to specify how data are collected, calculated, or recorded in this standard is not directly related to the accuracy to which the data can be applied in design or other uses, or both. How one applies the results obtained using this standard is beyond its scope.

1.6Two alternative procedures are provided.

1.6.1Procedure A involves two tests in the field, an in situ test and a test in a mold containing material excavated from the in situ test location. The apparent dielectric constant is determined in both tests.

1.6.2Procedure B involves only an in situ test by incorporating the first voltage drop and long term voltage (V1 and Vf ) in addition to the apparent dielectric constant. While the bulk electrical conductivity can be determined from these measurements, it is not needed for the determination of water content and density.

1.7The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard. For additional information consult SI10.

1.8This 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.

Committee
D 18
DevelopmentNote
Supersedes ASTM D 6780. (08/2012)
DocumentType
Redline
Pages
23
PublisherName
American Society for Testing and Materials
Status
Superseded
Supersedes

ASTM E 1 : 2014 : REDLINE Standard Specification for ASTM Liquid-in-Glass Thermometers
ASTM D 3740 : 2012-06 PRACTICE FOR MINIMUM REQUIREMENTS FOR AGENCIES ENGAGED IN TESTING AND/OR INSPECTION OF SOIL AND ROCK AS USED IN ENGINEERING DESIGN AND CONSTRUCTION
ASTM D 698 : 2013-05 TEST METHODS FOR LABORATORY COMPACTION CHARACTERISTICS OF SOIL USING STANDARD EFFORT (12400 FT-LBF/FT[3] (600 KN-M/M[3]))
IEEE/ASTM SI_10-2010 American National Standard for Metric Practice
ASTM D 4753 : 2015 : REDLINE Standard Guide for Evaluating, Selecting, and Specifying Balances and Standard Masses for Use in Soil, Rock, and Construction Materials Testing
ASTM D 6026 : 2013 : REDLINE Standard Practice for Using Significant Digits in Geotechnical Data
ASTM D 653 : 2014 : REDLINE Standard Terminology Relating to Soil, Rock, and Contained Fluids

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