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ASTM D 4546 : 2014 : EDT 1
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Standard Test Methods for One-Dimensional Swell or Collapse of Soils
Hardcopy , PDF
04-05-2021
English
17-04-2018
Committee |
D 18
|
DocumentType |
Test Method
|
Pages |
10
|
PublisherName |
American Society for Testing and Materials
|
Status |
Superseded
|
SupersededBy | |
Supersedes |
1.1This standard covers two laboratory test methods for measuring the magnitude of one-dimensional wetting-induced swell or collapse of unsaturated soils and one method for measuring load-induced compression subsequent to wetting-induced deformation.
1.1.1Test Method A is a procedure for measuring one-dimensional wetting-induced swell or hydrocompression (collapse) of reconstituted specimens simulating field condition of compacted fills. The magnitude of swell pressure (the minimum vertical stress required to prevent swelling), and free swell (percent swell under a pressure of 1 kPa or 20 lbf/ft2) can also be determined from the results of Test Method A.
1.1.2Test Method B is a procedure for measuring one-dimensional wetting-induced swell or collapse deformation of intact specimens obtained from a natural deposit or from an existing compacted fill. The magnitude of swell pressure and free swell can also be determined from the results of Test Method B.
1.1.3Test Method C is a procedure for measuring load-induced strains on a reconstituted or intact specimen after the specimen has undergone wetting-induced swell or collapse deformation.
1.2In Test Method A, a series of reconstituted specimens duplicating compaction condition of the fine fraction of the soil in the field (excluding the oversize particles) are assembled in consolidometer units. Different loads corresponding to different fill depths are applied to different specimens and each specimen is given access to free water until the process of primary swell or collapse is completed (Fig. 1) under a constant vertical total stress (Fig. 2). The resulting swell or collapse deformations are measured. This test method can be referred to as wetting-after-loading tests on multiple reconstituted specimens. The data from these tests can be used to estimate one-dimensional ground surface heave or settlement that can occur due to full wetting after fill construction. In addition, the magnitude of swell pressure and the magnitude of free swell can be interpreted from the test results.
FIG. 1Time-Swell Curve
![Time-Swell Curve](http://www.astm.org/HTTP/IMAGES/D4546_4685.png)
FIG. 2Deformation Versus Vertical Stress, Test Method A
![Deformation Versus Vertical Stress, Test Method A](http://www.astm.org/HTTP/IMAGES/D4546_105889.png)
1.3Test Method B is commonly used for measuring one-dimensional wetting-induced swell or hydrocompression of individual intact samples. This method can be referred to as single-point wetting-after-loading test. The vertical pressure at wetting for the specimen is chosen equal to the vertical in-situ stress (overburden stress plus structural stress, if any) corresponding to the sampling depth. The test result indicates the amount of heave or hydrocompression that can result when the soil at a given fill depth is wetted from the current moisture condition to full inundation condition. If intact specimens from various depths are tested, the swell or collapse strain data can be used to estimate heave or settlement of the ground surface. If the objective of the test is to measure swell pressure for an expansive soil, a series of intact specimens from a given depth zone can be wetted under a range of pressures (similar to Test Method A) and the results interpreted to determine the magnitude of the swell pressure.
1.4Test Method C is for measuring load-induced strains after wetting-induced swell or collapse deformation has occurred. This method can be referred to as loading-after-wetting test. The test can be performed on either intact or reconstituted specimens, and can be on one specimen or a series of specimens. The results would apply to situations where new fill, additional structural loads, or both, are applied to the ground that has previously gone through wetting-induced heave or settlement. The first part of the test is the same as in Test Method A or B. After completion of the swell or collapse under a given vertical load, additional vertical load increments are applied to the specimen in the same manner as in a consolidation test (Test Methods D2435) and the load-induced strains are measured.
1.5It shall be the responsibility of the agency requesting this test to specify the magnitude of each load for Test Method A and Test Method B. For Test Method C, the agency requesting the test should specify the magnitude of the stress under which the specimen is wetted, and the magnitudes of the additional stress increments subsequent to wetting.
1.6These test methods do not address the measurement of soil suction and suction-controlled swell-collapse tests. The addition of suction-controlled wetting does not constitute nonconformance to these test methods.
1.7These test methods have a number of limitations and their results can be affected by one or a combination of factors including the effect of significant amounts of oversize particles (in Test Method A), sampling disturbance (in Test Method B) and differences between the degree of wetting in the laboratory test specimens and in the field. For details of these and other limitations, see Section 6.
1.8The values stated in SI units are to be regarded as standard. The values given in parentheses after SI units are provided for information only and are not considered standard. Test results recorded in units other than SI shall not be regarded as nonconformance with this standard. Figures depicting the test results can be either in SI units or in inch-pound units.
1.8.1The 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 slug unit is not given, unless dynamic (F = ma) calculations are involved.
1.8.2It is common practice in the engineering/construction profession to concurrently use pounds to represent both a unit of mass (lbm) and of force (lbf). This implicitly combines two separate systems of units; that is, the absolute system and the gravitational system. It is scientifically undesirable to combine the use of two separate sets of inch-pound units within a single standard. As stated, this standard includes the gravitational system of inch-pound units and does not use/present the slug unit for mass. However, the use of balances or scales recording pounds of mass (lbm) or recording density in lbm/ft3 shall not be regarded as nonconformance with this standard.
1.8.3The terms density and unit weight are often used interchangeably. Density is mass per unit volume whereas unit weight is force per unit volume. In this standard density is given only in SI units. After the density has been determined, the unit weight is calculated in SI or inch-pound units, or both.
1.9All observed and calculated values shall conform to the guidelines for significant digits and rounding established in Practice D6026.
1.9.1The procedures used to specify how data are collected/recorded, or calculated, in this standard are regarded as the industry standard. In addition, they are representative of the significant digits that generally should be retained. The procedures used do not consider material variation, purpose for obtaining the data, special purpose studies, or any consideration 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.
1.10This 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.
1.11This 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 D 4829 : 2011 | Standard Test Method for Expansion Index of Soils |
ASTM D 3550/D3550M : 2017 | Standard Practice for Thick Wall, Ring-Lined, Split Barrel, Drive Sampling of Soils |
ASTM D 2435/D2435M : 2011 : R2020 | Standard Test Methods for One-Dimensional Consolidation Properties of Soils Using Incremental Loading |
ASTM D 4829 : 2021 | Standard Test Method for Expansion Index of Soils |
ASTM D 2435/D2435M : 2011 | Standard Test Methods for One-Dimensional Consolidation Properties of Soils Using Incremental Loading |
ASTM D 2216 : 2005 | Standard Test Methods for Laboratory Determination of Water (Moisture) Content of Soil and Rock by Mass |
ASTM D 4220 : 1995 : R2000 | Standard Practices for Preserving and Transporting Soil Samples |
ASTM D 2487 : 2017 : EDT 1 | Standard Practice for Classification of Soils for Engineering Purposes (Unified Soil Classification System) |
ASTM D 3550 : 1984 : R1995 : EDT 1 | Standard Practice for Thick Wall, Ring-Lined, Split Barrel, Drive Sampling of Soils |
ASTM D 4753 : 2002 | Standard Guide for Evaluating, Selecting, and Specifying Balances and Standard Masses for Use in Soil, Rock, and Construction Materials Testing |
ASTM D 653 : 2007 | Standard Terminology Relating to Soil, Rock, and Contained Fluids |
ASTM D 6027 : 1996 : R2004 | Standard Test Method for Calibrating Linear Displacement Transducers for Geotechnical Purposes (Withdrawn 2013) |
ASTM D 4753 : 2015 | Standard Guide for Evaluating, Selecting, and Specifying Balances and Standard Masses for Use in Soil, Rock, and Construction Materials Testing |
ASTM D 2216 : 2010 | Standard Test Methods for Laboratory Determination of Water (Moisture) Content of Soil and Rock by Mass |
ASTM D 3740 : 2012 | Standard 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 4318 : 2005 | Standard Test Methods for Liquid Limit, Plastic Limit, and Plasticity Index of Soils |
ASTM D 3740 : 2019 | Standard 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 3740 : 2004 : REV A : EDT 1 | 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 D 4220 : 1995 : R2007 | Standard Practices for Preserving and Transporting Soil Samples |
ASTM D 2488 : 1969 : R1975 | Recommended Practice for Description Of Soils (Visual-Manual Procedure) |
ASTM D 3740 : 2008 | Standard 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 6026 : 2013 | Standard Practice for Using Significant Digits in Geotechnical Data |
ASTM D 2435 : 2002 | Standard Test Method for One-Dimensional Consolidation Properties of Soils |
ASTM D 1587 : 2008 : R2012 : EDT 1 | Standard Practice for Thin-Walled Tube Sampling of Soils for Geotechnical Purposes |
ASTM D 6026 : 2006 | Standard Practice for Using Significant Digits in Geotechnical Data |
ASTM D 2488 : 2017 | Standard Practice for Description and Identification of Soils (Visual-Manual Procedures) |
ASTM D 4318 : 2010 | Standard Test Methods for Liquid Limit, Plastic Limit, and Plasticity Index of Soils |
ASTM D 3740 : 1999 : REV C | 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 D 4318 : 2000 | Standard Test Methods for Liquid Limit, Plastic Limit, and Plasticity Index of Soils |
ASTM D 2435 : 1996 | Standard Test Method for One-Dimensional Consolidation Properties of Soils |
ASTM D 6913 : 2004 | Standard Test Methods for Particle-Size Distribution (Gradation) of Soils Using Sieve Analysis |
ASTM D 1587 : 2008 | Standard Practice for Thin-Walled Tube Sampling of Soils for Geotechnical Purposes |
ASTM D 4753 : 1995 | Standard Specification for Evaluating, Selecting, and Specifying Balances and Scales for Use in Soil, Rock, and Construction Materials Testing |
ASTM D 653 : 2020 : EDT 1 | Standard Terminology Relating to Soil, Rock, and Contained Fluids |
ASTM D 6026 : 1999 | Standard Practice for Using Significant Digits in Geotechnical Data |
ASTM D 3740 : 2011 | Standard 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 2488 : 2009 | Standard Practice for Description and Identification of Soils (Visual-Manual Procedure) |
ASTM D 6026 : 2001 : EDT 1 | Standard Practice for Using Significant Digits in Geotechnical Data |
ASTM D 3740 : 2010 | Standard 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 2216 : 2019 | Standard Test Methods for Laboratory Determination of Water (Moisture) Content of Soil and Rock by Mass |
ASTM D 4318 : 2017 : EDT 1 | Standard Test Methods for Liquid Limit, Plastic Limit, and Plasticity Index of Soils |
ASTM D 6913 : 2004 : R2009 : EDT 1 | Standard Test Methods for Particle-Size Distribution (Gradation) of Soils Using Sieve Analysis |
ASTM D 3550 : 2001 : R2007 | Standard Practice for Thick Wall, Ring-Lined, Split Barrel, Drive Sampling of Soils (Withdrawn 2016) |
ASTM D 4718 : 1987 : R2001 | Standard Practice for Correction of Unit Weight and Water Content for Soils Containing Oversize Particles |
ASTM D 6026 : 1996 | Standard Practice for Using Significant Digits in Geotechnical Data |
ASTM D 3740 : 2004 : REV A | 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 D 4753 : 2007 | Standard Guide for Evaluating, Selecting, and Specifying Balances and Standard Masses for Use in Soil, Rock, and Construction Materials Testing |
ASTM D 3740 : 2001 | 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 D 2488 : 2000 | Standard Practice for Description and Identification of Soils (Visual-Manual Procedure) |
ASTM D 2487 : 2006 : EDT 1 | Standard Practice for Classification of Soils for Engineering Purposes (Unified Soil Classification System) |
ASTM D 653 : 2021 | Standard Terminology Relating to Soil, Rock, and Contained Fluids |
ASTM D 4318 : 2010 : EDT 1 | Standard Test Methods for Liquid Limit, Plastic Limit, and Plasticity Index of Soils |
ASTM D 6027 : 1996 : EDT 1 | Standard Test Method for Calibrating Linear Displacement Transducers for Geotechnical Purposes |
ASTM D 2435 : 2004 | Standard Test Methods for One-Dimensional Consolidation Properties of Soils Using Incremental Loading |
ASTM D 3740 : 2012 : REV A | Standard 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 4718 : 1987 : R1994 : EDT 2 | Standard Practice for Correction of Unit Weight and Water Content for Soils Containing Oversize Particles |
ASTM D 4318 : 2017 | Standard Test Methods for Liquid Limit, Plastic Limit, and Plasticity Index of Soils |
ASTM D 3740 : 2003 | 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 D 2487 : 2010 | Standard Practice for Classification of Soils for Engineering Purposes (Unified Soil Classification System) |
ASTM D 2216 : 1998 | Standard Test Method for Laboratory Determination of Water (Moisture) Content of Soil and Rock by Mass |
ASTM D 2487 : 2000 | Standard Classification of Soils for Engineering Purposes (Unified Soil Classification System) |
ASTM D 2487 : 2006 | Standard Practice for Classification of Soils for Engineering Purposes (Unified Soil Classification System) |
ASTM D 2216 : 1971 | Standard Method of Laboratory Determination Of Moisture Content Of Soil |
ASTM D 6026 : 2001 | Standard Practice for Using Significant Digits in Geotechnical Data |
ASTM D 2487 : 2011 | Standard Practice for Classification of Soils for Engineering Purposes (Unified Soil Classification System) |
ASTM D 6913 : 2004 : R2009 | Standard Test Methods for Particle-Size Distribution (Gradation) of Soils Using Sieve Analysis |
ASTM D 1587 : 2000 | Standard Practice for Thin-Walled Tube Sampling of Soils for Geotechnical Purposes |
ASTM D 2487 : 2017 | Standard Practice for Classification of Soils for Engineering Purposes (Unified Soil Classification System) |
ASTM D 2488 : 2009 : REV A | Standard Practice for Description and Identification of Soils (Visual-Manual Procedure) |
ASTM D 2488 : 2017 : EDT 1 | Standard Practice for Description and Identification of Soils (Visual-Manual Procedures) |
ASTM D 2488 : 2006 | Standard Practice for Description and Identification of Soils (Visual-Manual Procedure) |
ASTM D 6913 : 2004 : EDT 1 | Standard Test Methods for Particle-Size Distribution (Gradation) of Soils Using Sieve Analysis |
ASTM D 6913 : 2004 : EDT 2 | Standard Test Methods for Particle-Size Distribution (Gradation) of Soils Using Sieve Analysis |
ASTM D 3740 : 2004 | 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 D 2487 : 1969 : R1975 | Standard Test Method for Classification Of Soils For Engineering Purposes |
ASTM D 2435 : 2003 | Standard Test Method for One-Dimensional Consolidation Properties of Soils |
ASTM D 4718 : 1987 : R2007 | Standard Practice for Correction of Unit Weight and Water Content for Soils Containing Oversize Particles |
ASTM D 3550 : 2001 | Standard Practice for Thick Wall, Ring-Lined, Split Barrel, Drive Sampling of Soils |
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