ASTM D4832-95e1

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Designation: D 4832 – 95
AMERICAN SOCIETY FOR TESTING AND MATERIALS
100 Barr Harbor Dr., West Conshohocken, PA 19428
Reprinted from the Annual Book of ASTM Standards. Copyright ASTM
Standard Test Method for
Preparation and Testing of Controlled Low Strength Material
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(CLSM) Test Cylinders
This standard is issued under the fixed designation D 4832; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
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e NOTE—Editorial changes were made in January 1997.
1. Scope * D 653 Terminology Relating to Soil, Rock, and Contained
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Fluids
1.1 This test method covers procedures for the preparation,
PS 28 Test Method for Flow Consistency of Controlled Low
curing, transporting and testing of cylindrical test specimens of
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Strength Material (CLSM)
controlled low strength material (CLSM) for the determination
PS 29 Test Method for Unit Weight, Yield, and Air Content
of compressive strength.
(Gravimetric) of Controlled Low Strength Material
1.2 This test method also may be used to prepare and test
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(CLSM)
specimens of other mixtures of soil and cementitious materials,
PS 30 Practice for Sampling Freshly Mixed Controlled Low
such as self-cementing fly ashes.
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Strength Material (CLSM)
1.3 CLSM is also known as flowable fill, controlled density
PS 31 Test Method for the Ball Drop on Controlled Low
fill, soil-cement slurry, soil-cement grout, unshrinkable fill,
Strength Material (CLSM) to Determine Suitability for
K-Krete, and other similar names.
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Load Application
1.4 The values stated in SI units are to be regarded as the
standard. The inch-pound equivalents are shown for informa-
3. Terminology
tion only.
3.1 Definitions—Except as follows in 3.2, all definitions are
1.5 This standard does not purport to address all of the
in accordance with Terminology D 653.
safety concerns, if any, associated with its use. It is the
3.2 Definitions of Terms Specific to This Standard:
responsibility of the user of this standard to establish appro-
3.2.1 Controlled Low Strength Material (CLSM)—A mix-
priate safety and health practices and determine the applica-
ture of soil, cementitious materials, water, and sometimes
bility of regulatory limitations prior to use. See Section 7.
admixtures, that hardens into a material with a higher strength
2. Referenced Documents than the soil but less than 8400 kPa (1200 psi). Used as a
replacement for compacted backfill, CLSM can be replaced as
2.1 ASTM Standards:
a slurry, a mortar, or a compacted material and typically has
C 31 Method of Making and Curing Concrete Test Speci-
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strengths of 350 to 700 kPa (50 to 100 psi) for most
mens in the Field
applications.
C 39 Test Method for Compressive Strength of Cylindrical
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Concrete Specimens
4. Summary of Test Method
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C 172 Method of Sampling Freshly Mixed Concrete
4.1 Cylinders of CLSM are tested to determine the com-
C 192 Method of Making and Curing Concrete Test Speci-
2 pressive strength of the material. The cylinders are prepared by
mens in the Laboratory
pouring a representative sample into molds, curing the cylin-
C 470 Specification for Molds for Forming Concrete Test
2 ders, removing the cylinders from the molds, and capping the
Cylinders Vertically
cylinders for compression testing. The cylinders are then tested
C 617 Practice for Capping Cylindrical Concrete Speci-
2 to obtain compressive strengths. Duplicate cylinders are re-
mens
quired.
C 1231 Practice for Use of Unbonded Caps in Determina-
tion of Compressive Strength of Hardened Concrete Cyl-
5. Significance and Use
inders
5.1 This test method is used to prepare and test cylindrical
specimens of CLSM to determine the compressive strength of
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This test method is under the jurisdiction of ASTM Committee D-18 on Soil
the hardened material.
and Rock and is the direct responsibility of Subcommittee D18.15 on Stabilization
with Admixtures.
Current edition approved Dec. 10, 1995. Published May 1996. Originally
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published as D 4832 – 88. Last previous edition D 4832 – 88. Annual Book of ASTM Standards, Vol 04.08.
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Annual Book of ASTM Standards, Vol 04.02. Annual Book of ASTM Standards, Vol 04.09.
*A Summary of Changes section appears at the end of this standard.
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D 4832
5.2 CLSM is typically used as a backfill material around as shovels, pails, trowels, and scoops.
structures, particularly in confined or limited spaces. Compres-
7. Hazards
sive strength testing is performed to assist in the design of the
7.1 Technical Precaution—The procedure for the prepara-
mix and to serve as a control technique during construction.
tion of CLSM test cylinders has many similarities to preparing
Mix design is typically based on 28 day strengths and
concrete test cylinders (Method C 31 and Method C 192).
const
...