ASTM D6817-06
(Specification)Standard Specification for Rigid Cellular Polystyrene Geofoam
Standard Specification for Rigid Cellular Polystyrene Geofoam
SCOPE
1.1 This specification covers the types, physical properties and dimensions of rigid cellular polystyrene intended for use as geofoam.
1.2 This specification does not cover the layout, placement and workmanship for proper installation and performance of rigid cellular polystyrene geofoam.
1.3 Rigid cellular polystyrene geofoam covered by this specification may need protection from certain chemicals, environmental exposure, and concentrated loads. Additional design considerations may include thermal conductivity and buoyancy. Guidelines regarding these end use considerations are included in .
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 requirements prior to use.
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Designation: D 6817 – 06
Standard Specification for
1
Rigid Cellular Polystyrene Geofoam
This standard is issued under the fixed designation D6817; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope D1621 Test Method for Compressive Properties Of Rigid
Cellular Plastics
1.1 This specification covers the types, physical properties
D1622 TestMethodforApparentDensityofRigidCellular
anddimensionsofrigidcellularpolystyreneintendedforuseas
Plastics
geofoam.
D2863 Test Method for Measuring the Minimum Oxygen
1.2 This specification does not cover the layout, placement
Concentration to Support Candle-Like Combustion of
and workmanship for proper installation and performance of
Plastics (Oxygen Index)
rigid cellular polystyrene geofoam.
1.3 Rigid cellular polystyrene geofoam covered by this
3. Terminology
specification may need protection from certain chemicals,
3.1 Definitions:
environmental exposure, and concentrated loads. Additional
3.1.1 Terms used in this specification are defined in Termi-
design considerations may include thermal conductivity and
nology D4439.
buoyancy. Guidelines regarding these end use considerations
3.1.2 geofoam—block or planar rigid cellular foam poly-
are included in Appendix X1.
meric material used in geotechnical engineering applications.
1.4 This standard does not purport to address all of the
3.2 Definitions of Terms Specific to This Standard:
safety concerns, if any, associated with its use. It is the
3.2.1 EPS, XX—number designation for expanded polysty-
responsibility of the user of this standard to establish appro-
rene geofoam Type(s) having a minimum density of XX
priate safety and health practices and determine the applica-
3 3
kg/m (lb/ft ).
bility of regulatory requirements prior to use.
3.2.2 XPS, XX—number designation for extruded polysty-
2. Referenced Documents rene geofoam Type(s) having a minimum density of XX
3 3
2
kg/m (lb/ft ).
2.1 ASTM Standards:
3.2.3 RCPS—letter designation for EPS and XPS rigid
C165 Test Method for Measuring Compressive Properties
cellular polystyrene geofoam covered by this specification.
of Thermal Insulations
C203 Test Methods for Breaking Load and Flexural Prop-
4. Ordering Information
erties of Block-Type Thermal Insulation
4.1 Acquisition documents shall specify the following:
C303 Test Method for Dimensions and Density of Pre-
4.1.1 Title, number and year of this specification.
formed Block and Board−Type Thermal Insulation
4.1.2 Type, as per Table 1, or minimum density required.
C390 Practice for Sampling and Acceptance of Thermal
4.1.3 Total product volume required of each Type, or
Insulation Lots
minimum density.
C578 SpecificationforRigid,CellularPolystyreneThermal
Insulation
5. Materials and Manufacture
5.1 RCPS geofoam shall be formed by the expansion of
polystyreneresinbeadsorgranulesinamoldingprocess(EPS)
1
This specification is under the jurisdiction of ASTM Committee D35 on
or by the expansion of polystyrene base resin in an extrusion
Geosynthetics and is the direct responsibility of Subcommittee D35.03 on Perme-
process (XPS). RCPS geofoam may be manufactured with
ability and Filtration.
reprocessed polystyrene foam (regrind).
Current edition approved Jan. 15, 2006. Published March 2006. Originally
approved in 2002. Last previous edition approved in 2002 as D6817–02.
5.2 RCPS geofoam shall be of uniform density and have
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
essentially closed cells. RCPS geofoam is an organic material
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
and is considered combustible. It should not be exposed to
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. flames or other ignition sources.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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D6817–06
TABLE 1 Physical Property Requirements of RCPS Geofoam
Type EPS12 EPS15 EPS19 EPS22 EPS29 EPS39 XPS20 XPS21 XPS26 XPS29 XPS36 XPS48
Density, min., 11.2 (0.70)14.4 (0.90)18.4 (1.15)21.6 (1.35)28.8 (1.80)38.4 (2.40)19.2 (1.20)20.8 (1.30)25.6 (1.60)28.8 (1.80)35.2 (2.20)48.0 (3.00)
3 3
kg/m (lb/ft )
Compressive Resistance, min.,15 (2.2) 25 (3.6) 40 (5.8) 50 (7.3) 75 (10.9) 103 (15.0) 20 (2.9) 35 (5.1) 75 (10.9) 105 (15.2) 160 (23.2) 280 (40.6)
kPa (psi) at 1 %
Compressive Resistance, min.,35 (5.1) 55 (8.0) 90 (13.1) 115 (16.7) 170 (24.7) 241 (35.0) 85 (12.3) 110 (16.0) 185 (26.8) 235 (34.1) 335 (48.6) 535 (77.6)
kPa (psi) at 5 %
Compressive
...
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