ASTM_D_7239_-_13_2018.pdf

Designation:D723913(Reapproved 2018)Standard Specification forHybrid Geosynthetic Paving Mat for Highway Applications1This standard is issued under the fixed designation D7239;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 parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This is a material specification covering hybrid geosyn-thetic paving mats typically used for,but not limited to,use injoint and localized(spot)pavement repairs;and paving matsintended for curb-to-curb coverage to provide a moisturebarrier for the pavement structure and retard reflective crackingin bituminous overlays.They are typically nonwoven inconstruction.This is a material purchasing specification,anddesign review of use is recommended.1.2 This is not a construction or design specification.Thisspecification is based on hybrid geosynthetic paving matsurvivability from installation stresses.1.3 For purposes of determining conformance to thisspecification,values for length or area shall be rounded to thenearest 0.1 m or 0.1 m2,respectively.Values for mass shall berounded to the nearest gram,and for force to the nearestNewton,and volume to the nearest 0.01 L,in accordance withthe rounding method in Practice E29.1.4 The text of this standard references notes and footnotesthat provide explanatory material.These notes and footnotes(excluding those in tables)shall not be considered as require-ments of the standard.1.5 The values stated in SI units are to be regarded asstandard.No other units of measurement are included in thisstandard.1.6 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 standard to establish appro-priate safety,health,and environmental practices and deter-mine the applicability of regulatory limitations prior to use.1.7 This international standard was developed in accor-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 Standards:2D123 Terminology Relating to TextilesD276 Test Methods for Identification of Fibers in TextilesD4354 Practice for Sampling of Geosynthetics and RolledErosion Control Products(RECPs)for TestingD4439 Terminology for GeosyntheticsD4759 Practice for Determining the Specification Confor-mance of GeosyntheticsD4873/D4873M Guide for Identification,Storage,and Han-dling of Geosynthetic Rolls and SamplesD5035 Test Method for Breaking Force and Elongation ofTextile Fabrics(Strip Method)D5261 Test Method for Measuring Mass per Unit Area ofGeotextilesD6140 Test Method to Determine Asphalt Retention ofPaving Fabrics Used in Asphalt Paving for Full-WidthApplicationsE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with Specifications3.Terminology3.1 Definition of TermsFor definitions of terms relating togeotextiles,refer to Terminology D4439.For definitions ofother terms relating to textiles,refer to Terminology D123.3.2 Definitions of Terms Specific to This Standard:3.2.1 hybrid geosynthetic paving mat,na planar productmanufactured from primarily inorganic materials used as anintegral part of a manmade project,structure,or system.It isprimarily intended for,but not limited to,bituminous pavingapplications.4.Classification4.1 TypeFive types of hybrid geosynthetic paving matsare covered in this specification as follows:4.1.1 Type IA single-layer,nonwoven paving mat of136 g m2unit weight,intended for curb-to-curb repaving ofbituminous or Portland cement concrete pavements with hotmix asphaltic concrete meeting the requirements of Table 1.1This specification is under the jurisdiction of ASTM Committee D35 onGeosynthetics and is the direct responsibility of Subcommittee D35.06 on Geosyn-thetic Specifications.Current edition approved June 1,2018.Published June 2018.Originallyapproved in 2006.Last previous edition approved in 2013 as D7239 13.DOI:10.1520/D7239-13R18.2For 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.Copyright 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 Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 4.1.2 Type IIxA uniaxial,high-strength hybr