1、Designation:C1708/C1708M16Standard Test Methods forSelf-leveling Mortars Containing Hydraulic Cements1This standard is issued under the fixed designation C1708/C1708M;the number immediately following the designation indicates theyear of original adoption or,in the case of revision,the year of last r
2、evision.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 These test methods are appropriate to evaluate theperformance of self-leveling mortars containing hydrauliccements that are used
3、 to improve the levelness,smoothness,and flatness of existing floors.These materials may be used asan underlayment to receive floor finishes,or as an overlaymentto serve as the wear surface.The self-leveling mortars coveredby these test methods consist of proprietary blends of hydrauliccements,along
4、 with fine aggregate,polymers,fillers,and otheradditives.1.2 UnitsThe values stated in either SI units or inch-pound units are to be regarded separately as standard.Thevalues stated in each system may not be exact equivalents;therefore,each system shall be used independently of the other.Combining v
5、alues from the two systems may result in non-conformance with the standard.Some values have only SI unitsbecause the inch-pound equivalents are not used in practice.1.3 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the u
6、ser of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.(WarningFreshhydraulic cementitious mixtures are caustic and may causechemical burns to skin and tissue upon prolonged exposure.)22.Referenced Documents2
7、.1 ASTM Standards:3C109/C109M Test Method for Compressive Strength ofHydraulic Cement Mortars(Using 2-in.or 50-mm CubeSpecimens)C125 Terminology Relating to Concrete and Concrete Ag-gregatesC157/C157M Test Method for Length Change of HardenedHydraulic-Cement Mortar and ConcreteC191 Test Methods for
8、Time of Setting of Hydraulic Cementby Vicat NeedleC305 Practice for Mechanical Mixing of Hydraulic CementPastes and Mortars of Plastic ConsistencyC348 Test Method for Flexural Strength of Hydraulic-Cement MortarsC490 Practice for Use ofApparatus for the Determination ofLength Change of Hardened Ceme
9、nt Paste,Mortar,andConcreteC670 Practice for Preparing Precision and Bias Statementsfor Test Methods for Construction MaterialsC778 Specification for Standard SandC928/C928M Specification for Packaged,Dry,Rapid-Hardening Cementitious Materials for Concrete RepairsC1005 Specification for Reference Ma
10、sses and Devices forDetermining Mass and Volume for Use in the PhysicalTesting of Hydraulic CementsC1107/C1107M Specification for Packaged Dry,Hydraulic-Cement Grout(Nonshrink)D1200 Test Method for Viscosity by Ford Viscosity CupD5125 Test Method for Viscosity of Paints and RelatedMaterials by ISO F
11、low CupsE691 Practice for Conducting an Interlaboratory Study toDetermine the Precision of a Test Method3.Terminology3.1 DefinitionsFor definitions of terms used in these testmethods,refer to Terminology C125.3.2 Definitions of Terms Specific to This Standard:3.2.1 flow,nof self-leveling mortars,the
12、 ability of afreshly-mixed,self-leveling mortar to spread under its ownweight or flow through an orifice.3.2.2 healing,nof self-leveling mortars,the ability of aself-leveling mortar to return to its original state of levelnessand smoothness after a specified cut is introduced into thesurface.3.2.2.1
13、 DiscussionThe specified cut is described in8.4.4.3.3.2.3 mortar,self-leveling,nmortar containing hydrauliccement that,in the fresh state,exhibits flow sufficient to seekgravitational leveling.1These test methods are under the jurisdiction of ASTM Committee C09 onConcrete and ConcreteAggregates and
14、are the direct responsibility of SubcommitteeC09.43 on Packaged Dry Combined Materials.Current edition approved Dec.15,2016.Published January 2017.Originallyapproved in 2011.Last previous edition approved in 2015 as C1708/C1708M15.DOI:10.1520/C1708_C1708M-16.2Section on Safety Precautions,Manual of
15、Aggregate and Concrete Testing,Annual Book of ASTM Standards,Vol 04.02.3For 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 web
16、site.*A Summary of Changes section appears at the end of this standardCopyright 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 3.2.4
