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1、Glassfiberreinforcedcementproducts(GRC)andprocess（玻璃纤维增强水泥制品(GRC)及工艺）ThetwosidesofCastlePeakrelative,fromadayto.Ontheobliquelanedeserted,whensawpearpiece.ThetemptationtobeThecourageousarefreefromfear.Wherethereisawill,thereisaway.PeoplewiththemoonisgriefatseparationandjoyinUnion.Glassfiberre
2、inforcedcementproducts(GRC)andprocessGlassfiberreinforcedcement(Glass,fiber,Reinforced,Cement,abbreviatedasGRC)isacompositematerialmadeofglassfiberasreinforcingmaterialandcementpasteorcementmortarasmatrix.Fromtheperspectiveofthedevelopmentofbuildingmaterialsindustry,largebuildingmaterialsmus
3、tbegreenmaterialsforsustainabledevelopment.Cementandcementbasedmaterialsarethelargestman-madematerialsnowadays.Worldcementproductionhasmorethan1billion500millionT(ourcurrentcementproductionhasreachedtheworldcementoutput1/3),basedonprojections,thetotalcementitiousmaterialsin60-70billionT.Them
4、ainresourceconsumedisestimatedtobe1billion500millionTofhigh-qualitylimestone.Sandstoneaggregate4billionm3,emissionsofCO2(majorgreenhousegases)morethan12t,thereareotherharmfulgasesandalargenumberofdust,seriouslypollutingtheenvironment.Today,China'sannualoutputofcementremainsat500mi
5、llionT,accordingtoareasonableindextoestimatetheannualenergyconsumption.Resourcesandtheenvironmentcausedbytheburdenasshownintable5-4.Therefore,regardlessofourcountry,ortherestoftheworld,wemustrelyonscienceandtechnology,manpower,energyconservation,environmentalprotection,orcementandcementbased
6、materialswillbecomeunsustainablematerials.Cement-basedmaterialsmustbedevelopedtohighperformance,toreducedosage,prolonglife,enhancefunctionality,andespeciallyreduceenvironmentalcosts.SincethePortlandcementcameintobeingin1824,ithasexperiencedmanygreatdevelopments,withthemainpurposeofexpandingt
7、heuseandimprovingthemechanicalproperties:Portlandcement,mortar,concrete,reinforcedconcretegate(1850),(1900),asbestoscementdoorofprestressedconcrete,concreteadmixtures(1929)(1935)(1950s),polymercementconcrete,highstrengthconcrete(1970s),highperforma
