1、Designation:C1782/C1782M17Standard Specification forUtility Segmental Concrete Paving Slabs1This standard is issued under the fixed designation C1782/C1782M;the number immediately following the designation indicates theyear of original adoption or,in the case of revision,the year of last revision.A
2、number in parentheses indicates the year of lastreapproval.A superscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope*1.1 This specification covers the requirements for segmentalconcrete paving slabs manufactured for construction of pedes-trian and roof applic
3、ations for commercial and municipalprojects where close dimensional tolerances for thickness,and/or length and width are not required.These slabs can bemanufactured with a dry-cast,wet-cast,or hydraulicallypressed process.1.2 Concrete units covered by this specification shall bemade with lightweight
4、 or normal weight aggregates or both.NOTE1If particular features are desired,such as weight classification,higher modulus of rupture,surface textures,finish,color,or other specialfeatures,such properties should be specified by the purchaser.Localsellers,however,should be consulted as to availability
5、 of units having thedesired features.1.3 The values stated in either inch-pound units or SI unitsare to be regarded separately as standard.The values stated ineach system may not be exact equivalents;therefore,eachsystem shall be used independently of the other.Combiningvalues from the two systems m
6、ay result in non-conformancewith the standard.1.4 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
7、World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:C33/C33M Specification for Concrete AggregatesC150/C150M Specification for Portland CementC207 Specification for Hydrated Lime for Masonry Pur-posesC260/C260M Specification for Air-Entraining A
8、dmixturesfor ConcreteC331/C331M Specification for Lightweight Aggregates forConcrete Masonry UnitsC494/C494M Specification for Chemical Admixtures forConcreteC595/C595M Specification for Blended Hydraulic CementsC618 Specification for Coal Fly Ash and Raw or CalcinedNatural Pozzolan for Use in Concr
9、eteC979/C979M Specification for Pigments for Integrally Col-ored ConcreteC989/C989M Specification for Slag Cement for Use inConcrete and MortarsC1157/C1157M Performance Specification for HydraulicCementC1232 Terminology of MasonryC1240 Specification for Silica Fume Used in CementitiousMixturesC1645
10、Test Method for Freeze-thaw and De-icing SaltDurability of Solid Concrete Interlocking Paving UnitsD1056 Specification for Flexible Cellular MaterialsSponge or Expanded Rubber3.Terminology3.1 Terminology defined in C1232 shall apply for thisspecification.3.2 Definitions of Terms Specific to This Sta
11、ndard:3.2.1 warpage,nthe maximum vertical deviation from astraightedge placed across the full length,width or diagonaldimension of the paving slab surface.4.Materials4.1 Cementitious Materials shall conform to the followingapplicable ASTM specifications:4.1.1 Portland CementsSpecification C150/C150M
12、.4.1.2 Hydraulic CementsSpecification C1157/C1157M.4.1.3 Blended Hydraulic CementsSpecification C595/C595M.4.1.4 Hydrated Lime,Type SSpecification C207.4.1.5 Fly AshSpecification C618.4.1.6 Ground SlagSpecification C989/C989M.4.1.7 Silica FumeSpecification C1240.4.2 Aggregates shall conform to the f
13、ollowing ASTMspecifications,except that grading requirements shall notnecessarily apply:1This test method is under the jurisdiction of ASTM Committee C15 onManufactured Masonry Units and is the direct responsibility of SubcommitteeC15.03 on Concrete Masonry Units and Related Units.Current edition ap
14、proved June 1,2017.Published July 2017.Originally approvedin 2016.Last previous edition approved in 2016 as C1782/C1782M 16.DOI:10.1520/C1782_C1782M-17.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA
15、 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 Tec
16、hnical Barriers to Trade(TBT)Committee.1 4.2.1 Normal WeightSpecification C33/C33M.4.2.2 LightweightSpecification C331/C331M.4.3 Chemical Admixtures shall conform to the followingapplicable ASTM specifications:4.3.1 Air-entraining AdmixturesSpecification C260/C260M.4.3.2 Water-reducing,Retarding,andAcceleratingAdmixturesSpecification C494/C494M.4.3.3 PigmentsforIntegrallyColoredConcreteSpecification C979/C979M.4.4 Other ConstituentsIntegral water repellents,fibers,and other materials for which n
