ASTM_C_513_-_C_513M_-_11e1.pdf

Designation:C513/C513M111Standard Test Method forObtaining and Testing Specimens of Hardened LightweightInsulating Concrete for Compressive Strength1This standard is issued under the fixed designation C513/C513M;the number immediately following the designation indicates the yearof original adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.A superscript epsilon()indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the U.S.Department of Defense.1NOTEDesignation editorially updated in September 2014.1.Scope1.1 This test method covers obtaining,preparing,and test-ing specimens of hardened,lightweight,insulating concretemade with either lightweight aggregate conforming to Speci-fication C332 or using preformed foam made from a foamingagent conforming to Specification C869 and having an oven-dry density not exceeding 800 kg/m350 lb/ft3.1.2 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 in non-conformancewith the standard.1.3 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 limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2C39/C39M Test Method for Compressive Strength of Cylin-drical Concrete SpecimensC88 Test Method for Soundness of Aggregates by Use ofSodium Sulfate or Magnesium SulfateC125 Terminology Relating to Concrete and Concrete Ag-gregatesC332 Specification for Lightweight Aggregates for Insulat-ing ConcreteC617 Practice for Capping Cylindrical Concrete SpecimensC670 Practice for Preparing Precision and Bias Statementsfor Test Methods for Construction MaterialsC869 Specification for Foaming Agents Used in MakingPreformed Foam for Cellular ConcreteC1005 Specification for Reference Masses and Devices forDetermining Mass and Volume for Use in the PhysicalTesting of Hydraulic Cements3.Terminology3.1 Definitions:3.1.1 For definitions of terms used in this test method,referto Terminology C125.4.Significance and Use4.1 This test method is used to determine the compressivestrength of hardened lightweight insulating concrete usingsamples taken from the field.The test results can be used todetermine specification compliance when results of tests onspecimens molded at the time of construction are not availableor are defective,and to establish the strength properties ofexisting construction.5.Apparatus5.1 Masonry or Carpenters Saw,for removing a samplefrom hardened concrete and cutting cubes from the sample.Acore drill is permitted for concrete thicker than 150 mm 6 in.5.2 Testing Machine,conforming to the requirements in TestMethod C39/C39M.5.3 Scales and Weights,used in weighing specimens shallconform to Specification C1005.5.4 Drying Oven,conforming to the requirements in TestMethod C88.6.Sampling6.1 Remove a sufficiently large sample,from each samplelocation,so that at least four test specimens for compressivestrength,and one for density(unit weight),can be prepared1This test method is under the jurisdiction of ASTM Committee C09 onConcrete and Concrete Aggregates and is the direct responsibility of SubcommitteeC09.21 on Lightweight Aggregates and Concrete.Current edition approved Oct.1,2011.Published November 2011.Originallyapproved in 1963.Last previous edition approved in 1995 as C513 89(1995).DOI:10.1520/C0513_C0513M-11E01.2For 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 States1 without the inclusion of any concrete that has been cracked,spalled,undercut,or otherwise damaged.The sample shall beof such length and width as to permit the cubes and prisms tobe cut therefrom without approaching any edge of the samplecloser than 25 mm 1 in.Unless otherwise specified,thesample shall not be obtained until the concrete is at least 14days old.Indicate the casting direction on the sample.7.Test Specimens7.1 Compressive strength specimens shall be cubes not lessthan 50 mm 2 in.,nor more than 100 mm 4 in.on a side.The dimensions of the cubes shall be equal to the thickness ofthe concrete slab unless that thickness exceeds 100 mm 4 in.,in which case the depth of the specimen shall be reduced to 100mm 4 in.by sawing off the lower portion as placed.Thecasting direction shall be marked on each prepared cube so thatload can be applied in the direction of casting.7.2 Sp