1、Designation: D 6817 06aStandard Specification forRigid Cellular Polystyrene Geofoam1This standard is issued under the fixed designation D 6817; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A number in
2、parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification covers the types, physical propertiesand dimensions of rigid cellular polystyrene intended for use asgeofoam.1.2 This specifi
3、cation does not cover the layout, placementand workmanship for proper installation and performance ofrigid cellular polystyrene geofoam.1.3 Rigid cellular polystyrene geofoam covered by thisspecification may need protection from certain chemicals,environmental exposure, and concentrated loads. Addit
4、ionaldesign considerations may include thermal conductivity andbuoyancy. Guidelines regarding these end use considerationsare included in Appendix X1.1.4 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is theresponsibility of the user of this
5、standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory requirements prior to use.2. Referenced Documents2.1 ASTM Standards:2C 165 Test Method for Measuring Compressive Propertiesof Thermal InsulationsC 203 Test Methods for Breaking Load and Flex
6、ural Prop-erties of Block-Type Thermal InsulationC 303 Test Method for Dimensions and Density of Pre-formed Block and BoardType Thermal InsulationC 390 Practice for Sampling and Acceptance of ThermalInsulation LotsC 578 Specification for Rigid, Cellular PolystyreneThermalInsulationD 1621 Test Method
7、 for Compressive Properties Of RigidCellular PlasticsD 1622 Test Method forApparent Density of Rigid CellularPlasticsD 2863 Test Method for Measuring the Minimum OxygenConcentration to Support Candle-Like Combustion ofPlastics (Oxygen Index)3. Terminology3.1 Definitions:3.1.1 Terms used in this spec
8、ification are defined in Termi-nology D 4439.3.1.2 geofoamblock or planar rigid cellular foam poly-meric material used in geotechnical engineering applications.3.2 Definitions of Terms Specific to This Standard:3.2.1 EPS, XXnumber designation for expanded polysty-rene geofoam Type(s) having a minimu
9、m density of XXkg/m3(lb/ft3).3.2.2 XPS, XXnumber designation for extruded polysty-rene geofoam Type(s) having a minimum density of XXkg/m3(lb/ft3).3.2.3 RCPSletter designation for EPS and XPS rigidcellular polystyrene geofoam covered by this specification.4. Ordering Information4.1 Acquisition docum
10、ents shall specify the following:4.1.1 Title, number and year of this specification.4.1.2 Type, as per Table 1, or minimum density required.4.1.3 Total product volume required of each Type, orminimum density.5. Materials and Manufacture5.1 RCPS geofoam shall be formed by the expansion ofpolystyrene
11、resin beads or granules in a molding process (EPS)or by the expansion of polystyrene base resin in an extrusionprocess (XPS). RCPS geofoam may be manufactured withreprocessed polystyrene foam (regrind).5.2 RCPS geofoam shall be of uniform density and haveessentially closed cells. RCPS geofoam is an
12、organic materialand is considered combustible. It should not be exposed toflames or other ignition sources.1This specification is under the jurisdiction of ASTM Committee D35 onGeosynthetics and is the direct responsibility of Subcommittee D35.03 on Perme-ability and Filtration.Current edition appro
13、ved July 1, 2006. Published August 2006. Originallyapproved in 2002. Last previous edition approved in 2006 as D 6817 06.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refe
14、r to the standards Document Summary page onthe ASTM website.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.6. Qualification Requirements6.1 The physical properties listed in Table 1 constitute theminimum product qualification requir
15、ements for commonlymanufactured types of RCPS geofoam.6.2 RCPS Geofoam TypesIt is the users responsibility tospecify the required Type as in Table 1 and to obtain supportingdocumentation regarding physical properties from the materialsupplier.6.3 Combustibility RequirementsAll RCPS geofoam shallcont
16、ain sufficient flame retardants to meet a minimum OxygenIndex as required in Table 1.6.4 CuringUnless otherwise specified in the contract,RCPS geofoam shall be cured for a minimum of 24 h beforedelivery and inspection.7. Availability and Dimensional Tolerance7.1 AvailabilityThe RCPS geofoam material
17、s covered bythis specification are commonly available in the size rangeshown in Table 2. Specific RCPS geofoam block dimensionsvary by manufacturer equipment characteristics.7.2 Dimensional ToleranceUnless otherwise specified,the acceptable length, width, thickness, flatness and squarenesstolerance
18、criteria on RCPS geofoam shall not exceed 6 0.5 %.8. Damage and Degradation8.1 DamageRCPS geofoam as delivered to the projectsite shall have no defects that will adversely affect its serviceand workability qualities. Material units that manifest unac-ceptable surface or volumetric damage shall be re
19、placed.8.1.1 Surface DamageDamage to load bearing RCPSgeofoam surfaces shall be limited to less than 20 % of theequivalent load bearing area of the unit.8.1.2 Volume DamageVolumetric damage of RCPS geo-foam shall be limited to less than 1 % of the volume of a singleunit.8.1.3 UV (Ultra-Violet) Degra
20、dationDiscoloration anddusting of RCPS geofoam caused by the extensive exposure tosunlight is a defect that will adversely affect its service and isgrounds for rejection. Refer to X1.6.9. Inspection9.1 SamplingUnless otherwise specified in the purchaseorder or contract, the material shall be sampled
21、 for inspectionin accordance with Criteria C 390.9.2 WeightDetermine the weight of selected full size unitsin accordance with Test Method D 1622, or as specified.9.3 DimensionsVerify specified dimensions and toler-ances, as prescribed in Test Method D 1622 and 7.2 of thisspecification.9.4 DensityCom
22、pute the density of test samples in accor-dance with Test Method D 1622.10. Acceptance or Rejection10.1 Material that fails to conform to this specification shallbe rejected promptly in writing. The manufacturer or suppliershall have the right to re-inspect the rejected shipment andresubmit selected
23、 units for acceptance under tightened inspec-tion.11. Certification11.1 Unless otherwise specified in the purchase order orcontract, the manufacturer or supplier shall furnish third partycertification that representative material has either been testedor inspected as directed in the specification an
24、d the require-ments have been met. When specified in the purchase order orcontract, a report of the test results shall be furnished.12. Product Marking12.1 The following shall be marked on each whole unit ofproduct:12.1.1 Manufacturers Identification,12.1.2 Date of Manufacture,12.1.3 Type, (See Tabl
25、e 1), and12.1.4 Weight, or Density.13. Test Methods13.1 Dimensions and DensityTest in accordance with TestMethod C 303 or Test Method D 1622.TABLE 1 Physical Property Requirements of RCPS GeofoamA,BType EPS12 EPS15 EPS19 EPS22 EPS29 EPS39 XPS20 XPS21 XPS26 XPS29 XPS36 XPS48Density, min.,kg/m3(lb/ft3
26、)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)Compressive Resistance, min.,kPa (psi) at 1 %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)Compr
27、essive Resistance, min.,kPa (psi) at 5 %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)Compressive Resistance, min.,kPa (psi) at 10 %A40 (5.8) 70 (10.2) 110 (16.0) 135 (19.6) 200 (29.0) 276(40.0) 104 (15.0) 104 (15.0) 173
28、(25.0) 276 (40.0) 414 (60.0) 690 (100.0)Flexural Strength, min.,kPa (psi)69 (10.0) 172 (25.0) 207 (30.0) 276 (40.0) 345 (50.0) 414 (60.0) 276 (40.0) 276 (40.0) 345 (50.0) 414 (60.0) 517 (75.0) 689 (100.0)Oxygen index, min.,volume %24.0 24.0 24.0 24.0 24.0 24.0 24.0 24.0 24.0 24.0 24.0 24.0AIf yield
29、occurs prior to 10% deformation, report compressive resistance and deformation at yield in addition to the compressive resistance at 1%, 5% and 10%deformation.BFor products that have an external skin, testing shall be undertaken with skins intact.TABLE 2 Common Manufactured Dimensions of RCPS Geofoa
30、mDimension, mm (in.) All EPS Types All XPS TypesWidth 305 to 1219 (12 to 48) 406 to 1219 (16 to 48)Length 1219 to 4877 (48 to 192) 1219 to 2743 (48 to 108)Thickness 25 to 1219 (1 to 48) 25 to 102 (1 to 4)D 6817 06a213.2 Compressive ResistanceTest in accordance with TestMethod C 165 or Test Method D
31、1621 using 50 mm (2 in.)cubes. The rate of cross-head movement shall be 5.0 6 0.5mm/min (0.2 6 0.02 in/min) equivalent to 10 % strain perminute.13.3 Flexural StrengthTest in accordance with TestMethod C 203.13.4 Oxygen IndexTest in accordance with Test MethodD 2863.14. Keywords14.1 block; board; cel
32、lular polystyrene; EPS; expandedpolystyrene; extruded polystyrene; foam plastic; geofoam;RCPS; reprocessed; rigid cellular polystyrene; XPSAPPENDIX(Nonmandatory Information)X1. END-USE CONSIDERATIONSX1.1 Thermal ResistanceX1.1.1 RCPS geofoam also functions as a thermal insula-tion.The thermal insula
33、tion properties of RCPS geofoam are asspecified in Specification C 578, and may impact the end usedesign of applications subject to different exposure conditions.Consult the RCPS geofoam manufacturer for specific recom-mendations.X1.2 Solvent ExposureX1.2.1 RCPS geofoam must be protected from petrol
34、eumbased solvents and their vapors. Examples of these solventsare: gasoline, diesel fuel, concrete curing compound, coal tarpitch, and asphaltic mastic compounds.X1.3 Equipment TrafficX1.3.1 Equipment traffic that can impose contact pressuresin excess of the allowable design stress for RCPS geofoams
35、hould be restricted. Protective materials such as sheathing orplanks may be placed on the material to allow light rubber-tiredequipment use.X1.4 BuoyancyX1.4.1 RCPS geofoam becomes buoyant when submergedin water and adequate ballast must be provided to resistexpected uplift forces.X1.5 DesignX1.5.1
36、The design and installation of RCPS geofoam is theresponsibility of the user.X1.5.2 RCPS geofoam can be supplied precut to specifieddimensions to fit specific project needs. Desired shapes andsizes can also be field cut with a hot wire, saw, or other cuttingtool.X1.6 Ultra-Violet DegradationX1.6.1 D
37、iscoloration and dusting of load bearing surfacesof RCPS geofoam caused by extended exposure to sunlightshall be removed by pressure washing.ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users of this
38、 standard are expressly advised that determination of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five year
39、s andif not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of theresponsible technical committ
40、ee, which you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org).D 6817 06a3
