1、Designation:C1714/C1714M16Standard Specification forPreblended Dry Mortar Mix for Unit Masonry1This standard is issued under the fixed designation C1714/C1714M;the number immediately following the designation indicates theyear of original adoption or,in the case of revision,the year of last revision
2、.A 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 masonry mortars whose mate-rials and design requirements are governed by SpecificationC270 but are preblended
3、 dry in a factory instead of producedfrom individual raw materials delivered to the job-site.1.2 The field-sampling,testing,directly comparable testresults,packaging,and the traceability of ingredients of pre-blended dry mortar mix differ from job site mixed mortars andthis standard specifically add
4、resses these issues.The tightcontrol of ingredient ratios possible with preblended dry mortaris also covered.1.3 The text of this specification refers to notes andfootnotes,which provide explanatory material.These notes andfootnotes(excluding those in tables and figures)shall not beconsidered the re
5、quirements of the standard.1.4 The values stated in either SI units or inch-pound 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 may result
6、in non-conformancewith the standard.1.5 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 and health practices and determine the applica-bility of regulatory limitat
7、ions prior to use.(WarningFreshhydraulic cementitious mixtures are caustic and may causechemical burns to skin and tissue upon prolonged exposure.)2.Referenced Documents2.1 ASTM Standards:2C144 Specification for Aggregate for Masonry MortarC260/C260M Specification for Air-Entraining Admixturesfor Co
8、ncreteC270 Specification for Mortar for Unit MasonryC305 Practice for Mechanical Mixing of Hydraulic CementPastes and Mortars of Plastic ConsistencyC780 Test Method for Preconstruction and ConstructionEvaluation of Mortars for Plain and Reinforced UnitMasonryC979/C979M Specification for Pigments for
9、 Integrally Col-ored ConcreteC1180 Terminology of Mortar and Grout for Unit MasonryC1384 Specification for Admixtures for Masonry MortarsC1403 Test Method for Rate of Water Absorption of Ma-sonry MortarsC1437 Test Method for Flow of Hydraulic Cement MortarC1586 Guide for Quality Assurance of Mortars
10、3.Terminology3.1 For definition of terms used in this specification,refer toTerminology C1180.3.2 Definitions of Terms Specific to This Standard:3.2.1 preblended dry mortar mix,na mix of dry aggregate;portland cement and hydrated lime,blended hydraulic cement,masonry cement,hydraulic cement,or morta
11、r cement;and maycontain additives used to enhance one or more properties suchas setting time,workability,water retention,bond and durabil-ity or color pigment;and are thoroughly blended together at thefactory without the addition of water.3.2.2 additive,na dry mortar material other than theSpecifica
12、tion C270 prescribed materials of aggregate andcementitious materials that is added to a dry mortar mix at thebatch plant to modify one or more properties of the conven-tional masonry mortar.4.Classification4.1 The classifications of mortars in this specification are asdescribed in Specification C27
13、0.Mortar type selected shall bea Type M,S,N,or O meeting the requirements of either theProperty Specification or the Proportion Specifications.5.Specifying Mortar5.1 Specify type of mortar desired.1This specification is under the jurisdiction of ASTM Committee C12 onMortars and Grouts for Unit Mason
14、ry and is the direct responsibility of Subcom-mittee C12.03 on Specifications for Mortars.Current edition approved Dec.15,2016.Published January 2017.Originallyapproved in 2009.Last previous edition approved in 2013 as C1714/C1714M 13a.DOI:10.1520/C1714_C1714M-16.2For referenced ASTM standards,visit
15、 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.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr
16、 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 5.2 Preblended dry mortar mix shall be a mortar meetingboth the requirements of Specification C270 and the requir
