Concretestrengthtestmethod20110329(混凝土强度检测方法20110329)Concretestrengthtestmethod20110329(混凝土强度检测方法20110329),,201127GeneraltestmethodforconcretestrengthCoredrilling(CECS03:88)(1);,constructionandmaintenanceofpoorqualityproblemsofconcreteconcrete;,fire,chemicalcorrosionorotherdamage;.(two)drillingcoresample;(1)projectname(orsymbol)andthedesign,construction,constructionunitname;(2)ponenttypes,sizeandnumberofappearance;(3)theconcretestrengthdesignisadopted;(4)moldingdate,rawmaterials(cement,coarseaggregatesizeetc.)pressivestrengthtestreport;(5)ponentqualityandconstruction;(6)thestructuredesignandconstructiondrawingetc..(1)ponentforcesmallerparts;(2)therepresentativepartofthestrengthofconcretequality;(3)tofacilitatetheplacementandoperationofcoredrillingmachineparts;(3)(4)toavoidthemainreinforcement,embeddedpartsandpipelinelocation,andtrytoavoidothersteeltendons;(5)bycoredrillingmethodandnondamagemethoddeterminationofstrength,shouldtakethesametestareaandnondestructivemethod.(three)coresamplerequirement;,ponentofthecoredrillingshouldnotbelessthan3,ponents,coredrillingcanbe2;ponent,,~,delamination,pitsorisolation,andtoestimatetheaggregatemaximumparticlesize,shapeandtypeofcoarseandfineaggregaterat
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