1、Designation:D717405(Reapproved 2022)Standard Specification forPreformed Closed-Cell Polyolefin Expansion Joint Fillers forConcrete Paving and Structural Construction1This standard is issued under the fixed designation D7174;the number immediately following the designation indicates the year oforigin
2、al adoption or,in the case of revision,the year of 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 covers preformed expansion jointfillers made from clo
3、sed-cell polyolefin materials having suit-able compressibility and nonextruding characteristics.1.1.1 Type I,closed-cell polyethylene or blended polyeth-ylene.1.2 These joint fillers are intended for use in concretepavements in full-depth joints.There are several variations insize.A typical size mea
4、sures 0.5 in.(12.7 mm)in thickness,4.0 in.(101.6 mm)in width,and 10 ft(3.048 m)in length andwill relieve stress or avoid potential distress in adjacentstructures or pavements.1.3 The values stated in inch-pound units are to be regardedas the standard.1.4 This standard does not purport to address all
5、 of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety,health,and environmental practices and deter-mine the applicability of regulatory limitations prior to use.1.5 This international standard was developed in acco
6、r-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM St
7、andards:2D545 Test Methods for Preformed Expansion Joint Fillersfor Concrete Construction(Nonextruding and ResilientTypes)3.Materials and Manufacture3.1 TypeI,Closed-CellPolyethyleneorBlendedPolyethyleneThese fillers shall be made from foamed poly-ethylene or blended polyethylene,and their preformed
8、 crosssection shall be closed-cell.4.Physical Properties4.1 Compressive Strength:4.1.1 MinimumLoad required to compress test specimenby 25%(to 75%of original thickness)shall not be less than5 psi(35 kPa).4.1.2 MaximumLoad required to compress test specimenby 85%(to 15%of original thickness)shall not
9、 be greaterthan 300 psi(2070 kPa).4.2 RecoveryAfter compressing the test specimen to 50%of its thickness before test,the load shall be released;10 minafter release of the load,the specimen shall have recovered toat least 95%of its thickness before test.4.3 ExtrusionWhen a 1.0 in.(25.4 mm)thick test
10、speci-men is compressed to 50%of its original thickness with threeof its edges restrained,the free edge shall extrude not morethan 0.5 in.(12.7 mm).4.4 Structural CharacteristicsClosed-cell expansion jointfiller units shall have sufficient strength and resiliency towithstand on-the-job handling with
11、out breakage or permanentdeformation.5.Dimensions,Mass,and Permissible Variations5.1 Expansion joint filler units shall conform to dimensionsas specified:5.1.1 Thickness,+10,0%.5.1.2 Width,+0.8,0 in.(+20.3,0 mm).5.1.3 Length,+3.0,0 in.(+76.2,0 mm).6.Sampling6.1 Size of SamplesEach sample shall consi
12、st of sufficientmaterial to provide at least ten test specimens measuring 4.5 by4.5 in.(114.3 by 114.3 mm),or as required by the user agency.Unless otherwise specified under applicable test method,testspecimens shall be the same thickness as the expansion jointfiller units to be installed.1This spec
13、ification is under the jurisdiction of ASTM Committee D04 on Roadand Paving Materials and is the direct responsibility of Subcommittee D04.34 onPreformed Joint Fillers,Sealers and Sealing Systems.Current edition approved June 1,2022.Published June 2022.Originallyapproved in 2005.Last previous editio
14、n approved in 2016 as D7174 05(2016).DOI:10.1520/D7174-05R22.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.Copyr
15、ight ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International S
16、tandards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.16.2 Number of SamplesSelect one representative samplefrom each shipment of material capable of filling 5000 linear ft(1524 m)of expansion joint filler.7.Test Methods7.1 ScopeDetermine the physical requirements prescribedin this specification under 4.2 and 4.3,in accordance with TestMethods D545.7.2 Compressive Strength(see 4.1)Determine in accor-dance with Test Methods D545 with
