玄武岩纤维混凝土的特性及应用

AnalysisonUltimateBearingCapacityofRockFoundationHOUDa2wei(ChongqingSurveyInstitute,Chongqing400020,China)Abstract:Manyhigh2risiebuildingsarebasedonrockfoundationinmountainouscity,sohowtoevaluatethebearingcapacityofrockfoundationisthecoreforrockfoundationengineering.Inviewoftheinfluenceofcentralmajorstressandlithologyandrockstructurecharacteristicsonrockfoundationbearingcapacity,thispaperequatesjointingrockwithdiscontinuousmediumcharacteristicstocontinuousmedium,andthenseeksforsolutionwithinstantfrictionangleandslip2linefieldtheory.Itestablishesanalysismodelforultimatebearingcapacityofrockfoundationandverifiesfeasibilityofthemodelthroughcalculation.Keywords:rockfoundation;ultimateanalysis;slip2linefieldtheory;bearingcapacity:2009-02-23:(1984-),,,E2mail:[e-mail],(,710038):,(BFRC),:;;;:TU5281572:A:1003-8825(2010)02-0037-030,,,,,1111195319541985,(TZI),2002002,500t,700t,400[1],,,,10001500t,800,,,,,112,,-269700;73,;,;,,,,1(CBF)1/-269700/1050/(Wm-1K-1)010301038/m715/(kgm-3)2650/GPa93110/MPa415048002(basaltfiberreinforcedconcrete,BFRC),,,,,[2],,,,,,,,,,,,,,,,,,211,,,,,,,,,,,,,[3],,(BFRC)(CFRC):,011%(),,,,,,212(CFRP)(GFRP),CFRP,,,,,GFRP,,,,,,,[4],,,,,,213,,K2O,MgO,TiO2,,,ECR83SubgradeEngineering20102(149),;,,,,,,,21480,,,,,,[5],,,,,;,215,:-269700(960),-60450400,85%;600,80%,300COCO2,250[6],,,CBF,(-196),,,3,,,,,,,,,,,,,21:[1].[J].,2003(4):27-31.[2],.[J].,2006(4):12-14.[3],.[J].,2008,36(4):476-486.[4],.[J].,2007(1):48-51.[5],,.[J].:54-59.[6],,.[J].:42-47.CharacteristicsandApplicationofBasaltFiberReinforcedConcreteWUDi,SHAOShi2liang(SchoolofEngineering,AirForceEngineeringUniversity,Xian710038,China)Abstract:Thispaperintroducesthedevelopmentandcharacteristicsofbasaltfiberandsummarizesthemajorcharacteristicsofbasaltfiberreinforcedconcrete(BFRC).Itdescribestheresearchesonimpactresistance,reinforcement,corrosionresistanceanddynamicenergydissipationofbasaltfiberinconcretestructureinrecentyears,whichisfavorableforpromotionandapplicationofbasaltfiberreinforcedconcreteinpracticalengineering.Keywords:basaltfiberreinforcedconcrete;incrementoftougheningandstrength;reinforcement;dynamicenergydissipation93,;