1、Designation: E 2634 08Standard Specification forFlat Wall Insulating Concrete Form (ICF) Systems1This standard is issued under the fixed designation E 2634; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision.
2、 A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification is intended to apply to InsulatingConcrete Form (ICF) Systems that will act as permanentformwork for cast-in-plac
3、e reinforced concrete beams; lintels;exterior and interior, above and below grade bearing andnon-bearing walls; foundation; and retaining walls. The speci-fication is restricted to ICF Systems with a resultant uniformmonolithic concrete core.1.2 Products covered by the specification consists of mold
4、edexpanded polystyrene (EPS) insulation panels that are con-nected by cross ties to form the ICF System.1.3 This specification identifies test methods appropriate forestablishing ICF System performance in their primary functionas a stay in place concrete forming system. The use of ICFSystems covered
5、 by this specification shall be regulated bybuilding codes that address fire performance, structural perfor-mance or both. The fire performance of the material shall beaddressed through standard fire test methods established by theappropriate governing documents. The structural performancemust be ad
6、dressed through design of concrete structures inaccordance with the appropriate Code requirements.1.4 Details of manufacturing procedures are beyond thescope of this specification.1.5 The values stated in SI units are to be regarded asstandard. The values given in parentheses are mathematicalconvers
7、ions to inch-pound units that are provided for informa-tion only and are not considered standard. For conversion tometric units other than those contained in this specification,refer to IEEE/ASTM SI 10.1.6 This standard does not purport to address all of thesafety concerns, if any, associated with i
8、ts use. It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:2C 203 Test Methods for Breaking Load and Flexural Prop-erties of Block
9、-Type Thermal InsulationC 390 Practice for Sampling and Acceptance of ThermalInsulation LotsC 578 Specification for Rigid, Cellular Polystyrene ThermalInsulationC 1363 Test Method for Thermal Performance of BuildingMaterials and Envelope Assemblies by Means of a HotBox ApparatusD 635 Test Method for
10、 Rate of Burning and/or Extent andTime of Burning of Plastics in a Horizontal PositionD 638 Test Method for Tensile Properties of PlasticsD 732 Test Method for Shear Strength of Plastics by PunchToolD 1622 Test Method for Apparent Density of Rigid CellularPlasticsD 1761 Test Methods for Mechanical F
11、asteners in WoodD 1929 Test Method for Determining Ignition Temperatureof PlasticsD 2863 Test Method for Measuring the Minimum OxygenConcentration to Support Candle-Like Combustion ofPlastics (Oxygen Index)E8 Test Methods for Tension Testing of Metallic MaterialsE84 Test Method for Surface Burning C
12、haracteristics ofBuilding MaterialsE90 Test Method for Laboratory Measurement of AirborneSound Transmission Loss of Building Partitions and Ele-mentsE119 Test Methods for Fire Tests of Building Constructionand MaterialsE 283 Test Method for Determining Rate of Air LeakageThrough Exterior Windows, Cu
13、rtain Walls, and Doors1This specification is under the jurisdiction of ASTM Committee E06 onPerformance of Buildings and is the direct responsibility of Subcommittee E06.21on Serviceability.Current edition approved Nov. 1, 2008. Published November 2008.2For referenced ASTM standards, visit the ASTM
14、website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer 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
15、States.Under Specified Pressure Differences Across the SpecimenE 331 Test Method for Water Penetration of Exterior Win-dows, Skylights, Doors, and Curtain Walls by UniformStatic Air Pressure DifferenceIEEE/ASTM SI 10 Standard for Use of the InternationalSystem of Units (SI): the Modern Metric System
16、2.2 ISO/IEC Standards:3ISO/IEC Guide 65 General Requirements for Bodies Oper-ating Product Certification SystemsISO/IEC Guide 17020 General Criteria for the Operation ofVarious Types of Bodies Performing InspectionISO/IEC Standard 17025 General Requirements for Com-petence of Test and Calibration La
17、boratories2.3 Other Standards:ACI 318 Building Code Requirements for Structural Con-crete4UL 1715 Fire Test of Interior Finish Material5NFPA 286 Method of Fire Test for Evaluating Contributionof Wall and Ceiling Interior Finish to Room Fire Growth6AISI NAS-01 North American Specification for the Des
18、ignof Cold-formed Steel Structural Members, including 2005Supplement7ANSI/ASHRAE 90.1 Energy Standard for Buildings ExceptLow-Rise Residential Buildings83. Terminology3.1 Definitions:3.1.1 cross tiesplastic or metal bridging comprised offlanges and webs that hold the EPS panels at a prescribeddistan
19、ce and provide resistance to the concrete pressure. Theflanges may be used as attachment points for interior andexterior finishing materials.3.1.2 expanded polystyrenea type of foamed plasticformed by the expansion of polystyrene resin beads in amolding process.3.1.3 insulating concrete forms (ICFs)
20、a structural stay-in-place concrete forming system, consisting of opposing EPSpanels, held parallel by means of cross ties and serves toprovide insulating characteristics. See Fig. 1.3.1.4 quality agencya quality agency is defined to be onethat: (1) Maintains accreditation as a Certification Organiz
21、ationin accordance with ISO/IEC Guide 65 and as an InspectionAgency in accordance with ISO/IEC Guide 17020. The scopeof accreditations shall be consistent with the type of productbeing inspected. (2) Has access to the facilities and trainedtechnical personnel to verify that the grading, bonding, wor
22、k-manship, and other characteristics of the products as deter-mined by inspection, sampling, and testing comply with allapplicable requirements specified herein. (3) Has procedures tobe followed by its personnel in performance of the inspectionand testing. (4) Has no financial interest in, or is not
23、 financiallydependent upon, any single company manufacturing the prod-uct being inspected or tested. (5) Is not owned, operated, orcontrolled by any such company.3.1.5 testing laboratorya testing laboratory is one that isaccredited as complying with ISO/IEC Standard 17025. Thescope of the laboratory
24、s accreditation shall include the specifictype of testing being performed.4. Classification4.1 ICF Systems addressed by this specification are thosewhich produce a cast-in-place uniform monolithic concretecore wall where the concrete design is in accordance withaccepted design standards such as ACI
25、318.5. Materials and Manufacture5.1 EPS PanelsAll EPS panels are manufactured usingmolded EPS insulation, conforming to Specification C 578.5.2 Cross TiesAll components shall conform to manufac-turing or performance standards as in accordance with 6.2.Cross ties that are susceptible to UV degradatio
26、n shall have aminimum of 6 months ultraviolet (UV) protection againstdegradation of physical properties.NOTE 1UV protection includes but is not limited to UV stabilizers,protective coverings, or other suitable means.3Available from International Organization for Standardization (ISO), 1, ch. dela Vo
27、ie-Creuse, Case postale 56, CH-1211, Geneva 20, Switzerland, http:/www.iso.ch.4Available from American Concrete Institute (ACI), P.O. Box 9094, FarmingtonHills, MI 48333-9094, http:/www.concrete.org.5Available from Underwriters Laboratories (UL), 333 Pfingsten Rd., North-brook, IL 60062-2096, http:/
28、.6Available from National Fire Protection Association (NFPA), 1 BatterymarchPark, Quincy, MA 02169-7471, http:/www.nfpa.org.7Available from American Iron and Steel Institute (AISI), 1140 ConnecticutAve., NW, Suite 705, Washington, DC 20036, http:/www.steel.org.8Available from American National Stand
29、ards Institute (ANSI), 25 W. 43rd St.,4th Floor, New York, NY 10036, http:/www.ansi.org.FIG. 1E26340826. Physical Properties6.1 Expanded Polystyrene Qualification:6.1.1 These materials, including products into which re-cycled material is introduced, must comply with requirementsin Specification C 57
30、8, Table 1.6.1.2 Qualification to the Requirements of 6.1.3Data re-quired in 6.1.1 must be submitted in accordance with either6.1.3 or 6.1.4.6.1.3 Where the resin supplier provides to the qualityagency sufficient test data in compliance with 6.1.1 for eachresin grade (base formula) and for each Spec
31、ification-C 578Type intended for application use, the ICF System owner mustprovide reports of tests demonstrating compliance with flexuralstrength tested in accordance with Test Methods C 203,Method I, Procedure B, and density requirements tested inaccordance with Test Method D 1622 of each grade an
32、d eachSpecification-C 578 Type intended for application use for eachrecognized manufacturing plant/location.6.1.3.1 ExceptionOxygen index tests in accordance withTest Method D 2863 need only be conducted on oneSpecification-C 578 Type per supplier resin grade (base for-mula).6.1.3.2 ExceptionThermal
33、 resistance tests need only beconducted at 23.8 6 2.8C (75 6 5F).6.1.4 Where the resin supplier does not provide, to thequality agency, sufficient test data showing compliance with allrequirements of 6.1.1 for each resin grade (base formula) andfor each Specification-C 578 Type intended for applicat
34、ion use,the ICF System owner must provide reports of tests todemonstrate full compliance with 6.1.1 for each Specification-C 578 Type intended for application use at one manufacturinglocation.6.1.4.1 ExceptionOxygen index tests in accordance withTest Method D 2863 need only be conducted on oneSpecif
35、ication-C 578 Type per supplier resin grade (base for-mula).6.1.4.2 ExceptionThermal resistance tests need only beconducted at 23.8 6 2.8C (75 6 5F).6.1.4.3 ExceptionWhere products manufactured with anyone of the resin grades (base formula) already quality under6.1.4, the ICF System owner must provi
36、de reports of testsdemonstrating compliance with flexural strength tested inaccordance with Test Methods C 203, Method I, Procedure B,and density requirements tested in accordance with TestMethod D 1622 of each grade and each Specification-C 578Type intended for application use for each recognized m
37、anu-facturing plant/location.6.1.5 Surface Burning CharacteristicsThe EPS shall betested in accordance with Test Method E84in the maximumthickness and density intended for use. The maximum FlameSpread Index shall be 75 and the maximum Smoke Develop-ment Index shall be 450.6.1.5.1 ExceptionThe maximu
38、m Flame Spread Indexshall be 25 when the product is intended for use in non-combustible construction.6.2 Cross Tie Qualification:6.2.1 GeneralThese materials, including products intowhich recycled material is introduced, must comply withrequirements of 6.2.2-6.2.6 of this specification which establi
39、shthe base line properties of the cross ties.6.2.2 Rate of BurningPlastic Ties shall be tested inaccordance with Test Method D 635. The plastic shall meetminimum CC2 Classification as defined by Test Method D 635,X2.1.2.6.2.3 Ignition TemperaturePlastic Ties shall be tested inaccordance with Test Me
40、thod D 1929, Procedure B. Theminimum Ignition Temperature shall be 350C (662F).6.2.4 Fastener CapacityShall be tested in accordancewith modified Test Methods D 1761 on a minimum of tenspecimens.6.2.4.1 Lateral Load Strength test specimens shall consist offull-thickness ICF panels, with the fastener
41、for which recogni-tion is sought, screwed into the cross-tie flange in a mannerrepresentative of the end-use configuration. The test shall beconducted with an eccentricity equal to the embedment depthof the cross tie below the surface of the EPS. Where cross tiesare flush to the EPS no eccentricity
42、is required. Pilot holes forscrews shall not be predrilled into the specimen.6.2.4.2 Analysis:(1) Plastic Cross TiesThe allowable lateral load strengthof the connection shall not exceed 75 % of the averageproportional limit load, or the average ultimate load divided bya factor of 3.2, whichever is l
43、ower. The factor of 3.2 assumesa maximum coefficient of variation (COV) of 15 %. Where theCOV is greater than 15 %, the allowable load shall becomputed using the following equation:Fall5 F12COV!/2.24! (1)where:Fall= allowable load, N,COV = s/F = coefficient of variation in a test series,s = standard
44、 deviation in a test series, andF = average ultimate load in test series, N.(2) Metal Cross TiesThe allowable lateral strength of theconnection shall be determined in accordance with AISINAS-01, Chapter F.6.2.4.3 Withdrawal Load Strength (Plastic or Metal CrossTies)Test specimens shall consist of fu
45、ll-thickness ICFpanels, with the fastener for which recognition is sought,screwed into the cross-tie flange in a manner representative ofthe end-use configuration. Pilot holes for screws shall not bepredrilled into the specimen.(1) The ultimate load shall be determined for each testspecimen.(2) The
46、allowable withdrawal load strength of the connec-tion shall be determined based on the average ultimate loaddivided by a safety factor of 5.6.2.5 Cross Tie Tensile StrengthThe integrated cross tieassembly shall be tested in accordance with Test Method D 638for plastic cross ties and Test Methods E8f
47、or metal cross ties.The minimum tensile strength of the cross tie assembly shall beequivalent to 32.3 kN/m2(675 lb/ft2) of wall surface.6.2.5.1 ExceptionWhere the manufacturer can substanti-ate satisfactory concrete formwork capability through analysisor testing, a reduced minimum tensile strength m
48、ay be accept-able.E26340836.2.6 Cross Tie Shear StrengthThe integrated cross tieassembly shall be tested in accordance with Test MethodD 732. The minimum shear strength of the cross tie assemblyshall be 10.8 kN/m2(225 lb/ft2) of surface area in contact withconcrete.6.3 System Qualification:6.3.1 Roo
49、m Corner Fire TestThe minimum thickness ofthe complete assembly of EPS, cross tie material, and concretewith thermal barrier attached, but excluding exterior finishing.The tested thermal barrier shall remain in place for a minimumof 15 minutes when tested in accordance with UL 1715 orNFPA 286 with the following conditions of acceptance appliedto the NFPA 286 test method.6.3.1.1 Additionally, during the 40 kW (2276 Btu/min)exposure, the interior finish shall comply with Item (1). Duringthe 160 kW (9120 Btu/min) exposure, the interio
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