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1、水泥混凝土构件表面气泡的防治措施PreventionandcontrolmeasuresforsurfacebubblesofcementconcretecomponentsWithnationalwesterndevelopmentstrategyandstrengtheningtheInnerMongoliaautonomousregiontransportationinfrastructureconstructionplanning,hulunbuircityduringthetenthfive-yeartotal
2、mileagereached4054kilometers,theroadnetworkpla.rmingdevelopmentfaster・Cementconcreteasanimportantbuildingmaterialisalsowidelyusedinthehighwayconstructionofhulunbelarea・IntheconstructionofroadBridgesinrecentyears,ithasbeenthoroughlyresearchedhowtoimprovethequality
3、ofconcretecomponentsandpreventbubblesonthesurfaceofthecomponents・Incementconcretecomponentproductionprocess,duetoinadequatevibrating,aggregategradingisnotreasonable,theretentionofairbetweentheconcreteandtemplateisnotfullydischarge・Afterstripping,formedintheconcre
4、tecomponentsurfacesizeofpitgroovesurface(commonlyknownas〃honeycomb"pits“)"、thisphenomenoniscalledcementconcretecomponentsurfacebubbles・Thesurfacebubbleofconcreteisanimportsntfsctoraffectingtheappearanceofconcretecomponents・Mostusedinhighwayengineeringcementconcre
5、temembers,suchasbeam,column,wall,handrails,railingsandretainingwa11areone-timevibrationmoldingexposedartifacts(itssurfaceisgenerallynotdoadornmentapply).Generally,theconstructionofcementconcretecomponentofhighwayengineeringisveryhigh・Fortheappearaneeofasingle,sim
6、plelinesofordinaryconcretecomponent,generallythesurfacebubblesisrelativelyeasytocontrol,butforcomplexshape,foldingsurfacemoreartifacts,surfacebubblesisnoteasytoobtaintheverygoodcontrol,theseriousinfluencetothesurfaceissmoothandbeautiful,toproduceakindofimperfectv
7、isualeffect・Accordingtomanyyearsofconstructionexperience,toreduceandpreventtheconcretecomponentsurfacebubbles,notonlytograsptheconstructionvibratingthiskeylink,alsoshouldfromthemixtureratiodesignofconcreteformworkandscaffolderection,andthethicknessselectionofaggr
8、egate,andconcretemixing,transportation,pouring,vibrating,curingetc,thewholeprocessofqualitycontroltoachievecomponentsurfaceleveloff,smooth,complywiththedesignr
