1、Designation: E2634 17E2634 18Standard 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 of last rev
2、ision. 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 Insulating Concrete Form (ICF) Systems that will act as permanent formwork forcast-
3、in-place reinforced concrete beams; lintels; exterior and interior, above and below grade bearing and non-bearing walls;foundations; and retaining walls. The specification is restricted to ICF Systems with a resultant uniform monolithic concrete core.1.2 Products covered by the specification consist
4、s of molded expanded polystyrene (EPS) insulation panels that are connectedby cross ties to form the ICF System.1.3 This specification identifies test methods appropriate for establishing ICF System performance in their primary function asa stay in place concrete forming system. The use of ICF Syste
5、ms covered by this specification shall be regulated by building codesthat address fire performance, structural performance or both. The fire performance of the material shall be addressed throughstandard fire test methods established by the appropriate governing documents. The structural performance
6、 must be addressedthrough design of concrete structures in accordance with the appropriate Code requirements.1.4 Details of manufacturing procedures are beyond the scope of this specification.1.5 The values stated in SI units are to be regarded as standard. The values given in parentheses are mathem
7、atical conversionsto inch-pound units that are provided for information only and are not considered standard. For conversion to metric units otherthan those contained in this specification, refer to IEEE/ASTM SI 10.1.6 This standard does not purport to address all of the safety concerns, if any, ass
8、ociated with its use. It is the responsibilityof the user of this standard to establish appropriate safety safety, health, and healthenvironmental practices and determine theapplicability of regulatory limitations prior to use.1.7 This international standard was developed in accordance with internat
9、ionally recognized principles on standardizationestablished in the Decision on Principles for the Development of International Standards, Guides and Recommendations issuedby the World Trade Organization Technical Barriers to Trade (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:2C203 Test
10、Methods for Breaking Load and Flexural Properties of Block-Type Thermal InsulationC390 Practice for Sampling and Acceptance of Thermal Insulation LotsC475/C475M Specification for Joint Compound and Joint Tape for Finishing Gypsum BoardC578 Specification for Rigid, Cellular Polystyrene Thermal Insula
11、tionC645 Specification for Nonstructural Steel Framing MembersC1002 Specification for Steel Self-Piercing Tapping Screws for Application of Gypsum Panel Products or Metal Plaster Basesto Wood Studs or Steel StudsC1363 Test Method forThermal Performance of Building Materials and EnvelopeAssemblies by
12、 Means of a Hot BoxApparatusC1396/C1396M Specification for Gypsum BoardD635 Test Method for Rate of Burning and/or Extent and Time of Burning of Plastics in a Horizontal PositionD638 Test Method for Tensile Properties of PlasticsD732 Test Method for Shear Strength of Plastics by Punch ToolD1622/D162
13、2M Test Method for Apparent Density of Rigid Cellular Plastics1 This specification is under the jurisdiction of ASTM Committee E06 on Performance of Buildings and is the direct responsibility of Subcommittee E06.21 onServiceability.Current edition approved May 1, 2017May 15, 2018. Published June 201
14、7June 2018. Originally approved in 2008. Last previous edition approved in 20162017 asE2634-16.-17. DOI: 10.1520/E2634-17.10.1520/E2634-18.2 For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume
15、information, refer to the standards Document Summary page on the ASTM website.This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Becauseit may not be technically possible to adequate
16、ly depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current versionof the standard as published by ASTM is to be considered the official document.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken,
17、 PA 19428-2959. United States1D1761 Test Methods for Mechanical Fasteners in WoodD1929 Test Method for Determining Ignition Temperature of PlasticsD2863 Test Method for Measuring the Minimum Oxygen Concentration to Support Candle-Like Combustion of Plastics(Oxygen Index)E8/E8M Test Methods for Tensi
18、on Testing of Metallic MaterialsE84 Test Method for Surface Burning Characteristics of Building MaterialsE90 Test Method for Laboratory Measurement of Airborne Sound Transmission Loss of Building Partitions and ElementsE119 Test Methods for Fire Tests of Building Construction and MaterialsE283 Test
19、Method for Determining Rate of Air Leakage Through Exterior Windows, Curtain Walls, and Doors Under SpecifiedPressure Differences Across the SpecimenE331 Test Method for Water Penetration of Exterior Windows, Skylights, Doors, and Curtain Walls by Uniform Static AirPressure DifferenceIEEE/ASTM SI 10
20、 Standard for Use of the International System of Units (SI): the Modern Metric System2.2 ISO/IEC Standards:3ISO/IEC Guide 65 General Requirements for Bodies Operating Product Certification SystemsISO/IEC Guide 17020 General Criteria for the Operation of Various Types of Bodies Performing InspectionI
21、SO/IEC Standard 17025 General Requirements for Competence of Test and Calibration Laboratories2.3 Other Standards:ACI 318 Building Code Requirements for Structural Concrete4UL 1715 Fire Test of Interior Finish Material5NFPA 286 Method of Fire Test for Evaluating Contribution of Wall and Ceiling Inte
22、rior Finish to Room Fire Growth6AISI NAS-01 North American Specification for the Design of Cold-formed Steel Structural Members, including 2005Supplement7ANSI/ASHRAE 90.1 Energy Standard for Buildings Except Low-Rise Residential Buildings83. Terminology3.1 Definitions:3.1.1 cross tiesplastic or meta
23、l bridging comprised of flanges and webs that hold the EPS panels at a prescribed distance andprovide resistance to the concrete pressure. The flanges may be used as attachment points for interior and exterior finishingmaterials.3.1.2 expanded polystyrenea type of foamed plastic formed by the expans
24、ion of polystyrene resin beads in a molding process.3.1.3 insulating concrete forms (ICFs)a structural stay-in-place concrete forming system, consisting of opposing EPS panels,held parallel by means of cross ties and serves to provide insulating characteristics. See Fig. 1.3.1.4 quality agencya qual
25、ity agency is defined to be one that: (1) Maintains accreditation as a Certification Organization inaccordance with ISO/IEC Guide 65 and as an Inspection Agency in accordance with ISO/IEC Guide 17020. The scope ofaccreditations shall be consistent with the type of product being inspected. (2) Has ac
26、cess to the facilities and trained technicalpersonnel to verify that the grading, bonding, workmanship, and other characteristics of the products as determined by inspection,3 Available from International Organization for Standardization (ISO), ISO Central Secretariat, BIBC II, Chemin de Blandonnet
27、8, CP 401, 1214 Vernier, Geneva,Switzerland, http:/www.iso.org.4 Available from American Concrete Institute (ACI), 38800 Country Club Dr., Farmington Hills, MI 48331-3439, http:/www.concrete.org.5 Available from Underwriters Laboratories (UL), 333 Pfingsten Rd., Northbrook, IL 60062, http:/.6 Availa
28、ble from National Fire Protection Association (NFPA), 1 Batterymarch Park, Quincy, MA 02169-7471, http:/www.nfpa.org.7 Available from American Iron and Steel Institute (AISI), 25 Massachusetts Ave., NW, Suite 800, Washington, DC 20001, http:/www.steel.org.8 Available from American National Standards
29、 Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036, http:/www.ansi.org.FIG. 1 Flat Wall ICF, Wall AssemblyE2634 182sampling, and testing comply with all applicable requirements specified herein. (3) Has procedures to be followed by its personnelin performance of the inspection and test
30、ing. (4) Has no financial interest in, or is not financially dependent upon, any singlecompany manufacturing the product being inspected or tested. (5) Is not owned, operated, or controlled by any such company.3.1.5 testing laboratorya testing laboratory is one that is accredited as complying with I
31、SO/IEC Standard 17025. The scopeof the laboratorys accreditation shall include the specific type of testing being performed.4. Classification4.1 ICF Systems addressed by this specification are those which produce a cast-in-place uniform monolithic concrete core wallwhere the concrete design is in ac
32、cordance with accepted design standards such as ACI 318.5. Materials and Manufacture5.1 EPS PanelsAll EPS panels are manufactured using molded EPS insulation, conforming to Specification C578.5.2 Cross TiesAll components shall conform to manufacturing or performance standards as in accordance with 6
33、.2. Cross tiesthat are susceptible to UV degradation shall have a minimum of 6 months of ultraviolet (UV) protection against degradation ofphysical properties.NOTE 1UV protection includes but is not limited to UV stabilizers, protective coverings, or other suitable means.6. Physical Properties6.1 Ex
34、panded Polystyrene Qualification:6.1.1 These materials, including products into which recycled material is introduced, must comply with requirements inSpecification C578, Table 1.6.1.2 Qualification to the Requirements of 6.1.3Data required in 6.1.1 must be submitted in accordance with either 6.1.3
35、or6.1.4.6.1.3 Where the resin supplier provides to the quality agency sufficient test data in compliance with 6.1.1 for each resin grade(base formula) and for each Specification C578 Type intended for application use, the ICF System owner must provide reports oftests demonstrating compliance with fl
36、exural strength tested in accordance with Test Methods C203, Method I, Procedure B, anddensity requirements tested in accordance with Test Method D1622/D1622M of each grade and each Specification C578 Typeintended for application use for each recognized manufacturing plant/location.6.1.3.1 Exception
37、Oxygen index tests in accordance with Test Method D2863 need only be conducted on one SpecificationC578 Type per supplier resin grade (base formula).6.1.3.2 ExceptionThermal resistance tests need only be conducted at 23.8 6 2.8 C (75 6 5 F).6.1.4 Where the resin supplier does not provide, to the qua
38、lity agency, sufficient test data showing compliance with allrequirements of 6.1.1 for each resin grade (base formula) and for each Specification C578 Type intended for application use, theICF System owner must provide reports of tests to demonstrate full compliance with 6.1.1 for each Specification
39、 C578 Typeintended for application use at one manufacturing location.6.1.4.1 ExceptionOxygen index tests in accordance with Test Method D2863 need only be conducted on one SpecificationC578 Type per supplier resin grade (base formula).6.1.4.2 ExceptionThermal resistance tests need only be conducted
40、at 23.8 6 2.8 C (75 6 5 F).6.1.4.3 ExceptionWhere products manufactured with any one of the resin grades (base formula) already quality under 6.1.4,the ICF System owner must provide reports of tests demonstrating compliance with flexural strength tested in accordance with TestMethods C203, Method I,
41、 Procedure B, and density requirements tested in accordance with Test Method D1622/D1622M of eachgrade and each Specification C578 Type intended for application use for each recognized manufacturing plant/location.6.1.5 Surface Burning CharacteristicsThe EPS shall be tested in accordance with Test M
42、ethod E84 in the maximum thicknessand density intended for use. The maximum Flame Spread Index shall be 75 and the maximum Smoke Development Index shallbe 450.6.1.5.1 ExceptionThe maximum Flame Spread Index shall be 25 when the product is intended for use in non-combustibleconstruction.6.2 Cross Tie
43、 Qualification:6.2.1 GeneralThese materials, including products into which recycled material is introduced, must comply with requirementsof 6.2.2 6.2.6 of this specification which establish the base line properties of the cross ties.6.2.2 Rate of BurningPlastic Ties shall be tested in accordance wit
44、h Test Method D635. The plastic shall meet minimum CC2Classification as defined by Test Method D635, X2.1.2.6.2.3 Ignition TemperaturePlastic Ties shall be tested in accordance with Test Method D1929, Procedure B. The minimumIgnition Temperature shall be 350 C (662 F).6.2.4 Fastener CapacityShall be
45、 tested in accordance with modified Test Methods D1761 on a minimum of ten specimens.6.2.4.1 Lateral Load Strength test specimens shall consist of full-thickness ICF panels, with the fastener for which recognitionis sought, screwed into the cross-tie flange in a manner representative of the end-use
46、configuration. The test shall be conductedE2634 183with an eccentricity equal to the embedment depth of the cross tie below the surface of the EPS. Where cross ties are flush to theEPS no eccentricity is required. Pilot holes for screws shall not be predrilled into the specimen.6.2.4.2 Analysis:(1)
47、Plastic Cross TiesThe allowable lateral load strength of the connection shall not exceed 75 % of the average proportionallimit load, or the average ultimate load divided by a factor of 3.2, whichever is lower. The factor of 3.2 assumes a maximumcoefficient of variation (COV) of 15 %. Where the COV i
48、s greater than 15 %, the allowable load shall be computed using thefollowing equation:Fall5F122COV!/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 Ti
49、esThe allowable lateral strength of the connection shall be determined in accordance with AISI NAS-01,Chapter F.6.2.4.3 Withdrawal Load Strength (Plastic or Metal Cross Ties)Test specimens shall consist of full-thickness ICF panels, withthe fastener for which recognition is sought, screwed into the cross-tie flange in a manner representative of the end-useconfiguration. Pilot holes for screws shall not be predrilled into the specimen.(1) The ultimate load shall be determined for each test specimen.(2) The allowable withdrawal load
