1、Designation: E2634 11 (Reapproved 2015)Standard Specification forFlat Wall Insulating Concrete Form (ICF) Systems1This standard is issued under the fixed designation E2634; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year o
2、f last revision. 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
3、for cast-in-place reinforced concrete beams; lintels;exterior and interior, above and below grade bearing andnon-bearing walls; foundations; and retaining walls. The speci-fication is restricted to ICF Systems with a resultant uniformmonolithic concrete core.1.2 Products covered by the specification
4、 consists of moldedexpanded 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 I
5、CFSystems covered 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 perf
6、ormancemust be addressed 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 ma
7、thematicalconversions 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,
8、associated with its 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:2C203 Test Methods for Breaking Load and Flexural Prop
9、er-ties of Block-Type Thermal InsulationC390 Practice for Sampling and Acceptance of ThermalInsulation LotsC578 Specification for Rigid, Cellular Polystyrene ThermalInsulationC1363 Test Method for Thermal Performance of BuildingMaterials and Envelope Assemblies by Means of a HotBox ApparatusD635 Tes
10、t Method for Rate of Burning and/or Extent andTime of Burning of Plastics in a Horizontal PositionD638 Test Method for Tensile Properties of PlasticsD732 Test Method for Shear Strength of Plastics by PunchToolD1622/D1622M Test Method for Apparent Density of RigidCellular PlasticsD1761 Test Methods f
11、or Mechanical Fasteners in WoodD1929 Test Method for Determining Ignition Temperatureof PlasticsD2863 Test Method for Measuring the Minimum OxygenConcentration to Support Candle-Like Combustion ofPlastics (Oxygen Index)E8/E8M Test Methods for Tension Testing of Metallic Ma-terialsE84 Test Method for
12、 Surface Burning Characteristics ofBuilding MaterialsE90 Test Method for Laboratory Measurement of AirborneSound Transmission Loss of Building Partitions andElementsE119 Test Methods for Fire Tests of Building Constructionand MaterialsE283 Test Method for Determining Rate of Air LeakageThrough Exter
13、ior Windows, Curtain Walls, and DoorsUnder Specified Pressure Differences Across the Speci-men1This 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 Oct. 1, 2015.
14、 Published October 2015. Originallyapproved in 2008. Last previous edition approved in 2011 as E2634 11. DOI:10.1520/E2634-11R15.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume informati
15、on, refer to the standards Document Summary page onthe ASTM website.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States1E331 Test Method for Water Penetration of ExteriorWindows, Skylights, Doors, and Curtain Walls by Uni-form Static Air
16、Pressure DifferenceIEEE/ASTM SI 10 Standard for Use of the InternationalSystem of Units (SI): the Modern Metric System2.2 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
17、 of Bodies Performing InspectionISO/IEC Standard 17025 General Requirements for Compe-tence of Test and Calibration Laboratories2.3 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 Co
18、ntributionof Wall and Ceiling Interior Finish to Room Fire Growth6AISI NAS-01 North American Specification for the Designof Cold-formed Steel Structural Members, including 2005Supplement7ANSI/ASHRAE 90.1 Energy Standard for Buildings ExceptLow-Rise Residential Buildings83. Terminology3.1 Definitions
19、:3.1.1 cross tiesplastic or metal bridging comprised offlanges and webs that hold the EPS panels at a prescribeddistance 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 foame
20、d plasticformed by the expansion of polystyrene resin beads in amolding process.3.1.3 insulating concrete forms (ICFs)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
21、.3.1.4 quality agencya quality agency is defined to be onethat: (1) Maintains accreditation as a Certification Organizationin 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 productbei
22、ng inspected. (2) Has access to the facilities and trainedtechnical personnel to verify that the grading, bonding,workmanship, and other characteristics of the products asdetermined by inspection, sampling, and testing comply withall applicable requirements specified herein. (3) Has proce-dures to b
23、e followed by its personnel in performance of theinspection and testing. (4) Has no financial interest in, or is notfinancially dependent upon, any single company manufactur-ing the product being inspected or tested. (5) Is not owned,operated, or controlled by any such company.3.1.5 testing laborato
24、rya testing laboratory is one that isaccredited as complying with ISO/IEC Standard 17025. Thescope of the laboratorys 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 unifor
25、m monolithic concretecore wall where the concrete design is in accordance withaccepted design standards such as ACI 318.5. Materials and Manufacture5.1 EPS PanelsAll EPS panels are manufactured usingmolded EPS insulation, conforming to Specification C578.5.2 Cross TiesAll components shall conform to
26、 manufac-turing or performance standards as in accordance with 6.2.Cross ties that are susceptible to UV degradation 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 cove
27、rings, or other suitable means.3International Organization for Standardization (ISO), ISO Central Secretariat,Chemin de Blandonnet 8, CP 401, 1214 Vernier, Geneva, Switzerland, http:/www.iso.org.4Available from American Concrete Institute (ACI), 38800 Country Club Dr.,Farmington Hills, MI 48331-3439
28、, http:/www.concrete.org.5Available from Underwriters Laboratories (UL), 333 Pfingsten Rd.,Northbrook, IL 60062, http:/.6Available from National Fire Protection Association (NFPA), 1 BatterymarchPark, Quincy, MA 02269, http:/www.nfpa.org.7Available from American Iron and Steel Institute (AISI), 25 M
29、assachusettsAve., NW, Suite 800, Washington, DC 20001, http:/www.steel.org.8Available from American National Standards Institute (ANSI), 25 W. 43rd St.,4th Floor, New York, NY 10036, http:/www.ansi.org.FIG. 1E2634 11 (2015)26. Physical Properties6.1 Expanded Polystyrene Qualification:6.1.1 These mat
30、erials, including products into which re-cycled material is introduced, must comply with requirementsin Specification C578, 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 provide
31、s to the qualityagency sufficient test data in compliance with 6.1.1 for eachresin grade (base formula) and for each Specification C578Type intended for application use, the ICF System owner mustprovide reports of tests demonstrating compliance with flexuralstrength tested in accordance with Test Me
32、thods C203, MethodI, Procedure B, and density requirements tested in accordancewith Test Method D1622/D1622M of each grade and eachSpecification C578 Type intended for application use for eachrecognized manufacturing plant/location.6.1.3.1 ExceptionOxygen index tests in accordance withTest Method D2
33、863 need only be conducted on one Specifi-cation C578 Type per supplier resin grade (base formula).6.1.3.2 ExceptionThermal 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 w
34、ith allrequirements of 6.1.1 for each resin grade (base formula) andfor each Specification C578 Type intended for application use,the ICF System owner must provide reports of tests todemonstrate full compliance with 6.1.1 for each SpecificationC578 Type intended for application use at one manufactur
35、inglocation.6.1.4.1 ExceptionOxygen index tests in accordance withTest Method D2863 need only be conducted on one Specifi-cation C578 Type per supplier resin grade (base formula).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
36、manufactured with anyone of the resin grades (base formula) already quality under6.1.4, the ICF System owner must provide reports of testsdemonstrating compliance with flexural strength tested inaccordance with Test Methods C203, Method I, Procedure B,and density requirements tested in accordance wi
37、th TestMethod D1622/D1622M of each grade and each SpecificationC578 Type intended for application use for each recognizedmanufacturing plant/location.6.1.5 Surface Burning CharacteristicsThe EPS shall betested in accordance with Test Method E84 in the maximumthickness and density intended for use. T
38、he maximum FlameSpread Index shall be 75 and the maximum Smoke Develop-ment Index shall be 450.6.1.5.1 ExceptionThe maximum 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
39、intowhich recycled material is introduced, must comply withrequirements of 6.2.2 6.2.6 of this specification whichestablish the base line properties of the cross ties.6.2.2 Rate of BurningPlastic Ties shall be tested in accor-dance withTest Method D635.The plastic shall meet minimumCC2 Classificatio
40、n as defined by Test Method D635, X2.1.2.6.2.3 Ignition TemperaturePlastic Ties shall be tested inaccordance with Test Method D1929, Procedure B. The mini-mum Ignition Temperature shall be 350C (662F).6.2.4 Fastener CapacityShall be tested in accordancewith modified Test Methods D1761 on a minimum o
41、f tenspecimens.6.2.4.1 Lateral Load Strength test specimens shall consist offull-thickness ICF panels, with the fastener 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 t
42、o the embedment depthof the cross tie below the surface of the EPS. Where cross tiesare flush to the EPS no eccentricity 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
43、exceed 75 % of the averageproportional limit load, or the average ultimate load divided bya factor of 3.2, whichever is lower. 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 equatio
44、n:Fall5 F1 2 2COV!/2.24! (1)where:Fall= allowable load, N,COV = s/F = coefficient of variation in a test series,s = standard 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 accordanc
45、e with AISI NAS-01, Chapter F.6.2.4.3 Withdrawal Load Strength (Plastic or Metal CrossTies)Test specimens shall consist of full-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
46、 for screws shall not bepredrilled into the specimen.(1) The ultimate load shall be determined for each testspecimen.(2) The 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
47、 integrated cross tieassembly shall be tested in accordance with modified TestMethod D638 for plastic cross ties and modified Test MethodsE8/E8M for metal cross ties. Modification of Test Method is totest the actual cross tie assembly with load rate of 25 mm (1in.) per minute. The minimum tensile st
48、rength of the cross tieassembly shall be equivalent to 32.3 kN/m2(675 lb/ft2) of wallsurface.6.2.5.1 ExceptionWhere the manufacturer can substanti-ate satisfactory concrete formwork capability through analysisor testing, a reduced minimum tensile strength may be accept-able.E2634 11 (2015)36.2.6 Cro
49、ss Tie Shear StrengthThe minimum shearstrength of the plastic material determined from Test MethodD732 shall be greater than the value calculated by multiplyingthe web tributary area by the minimum shear strength of thecross tie assembly and dividing by the minimum vertical crosssectional area of the portion of the cross tie that passes throughthe concrete cavity. Fig. 2 indicates the tributary area associ-ated with the web cross sectional area that is subjected to theshear strength.6.3 System Qualification:6.3.1 Room Corner Fi
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