鋼絲-連續(xù)纖維復合板及其抗彎加固混凝土梁試驗研究.pdf

1、東南大學碩士學位論文鋼絲連續(xù)纖維復合板及其抗彎加固混凝土梁試驗研究姓名：馮武強申請學位級別：碩士專業(yè)：結構工程指導教師：吳剛20090301ABSTRACTStudyonthePerformanceofSteelWireFiberCompositePlates(SFCP)andtheFlexuralBehaviorofRCBeamStrengthenedwiththePlatesAbstractRecentlyfiberreinforc

2、edpolymer／plastic(abbrFRP)hasbeenwidelyappliedincivilengineeringstructureintheformofsheet，plate，bargrid，profile，F(xiàn)RPcompositeplateandSOonforitsexcellentpropertiesofhighstrength，lightweightandstrongcorrosionresistanceHavin

3、gmanyadvantages，suchassteadyperformance，highefficiencyofusingsimpleconstruction，strongfatigueperformanceandSOon，fiberboardhadbeenstudiedinthestructuralstrengtheningfieldbymanyresearchersallovertheworldThetheoryofreinforc

4、ementtheorywithcarbonfiberplateshavebeenmature，howeverthereisalittleengineeringapplicationbecauseofthehighpriceofcarbonfiberplates，whichmadeitdonothavepopularizationandapplicationincivilengineeringstructureInaddition，tho

5、ughstrengtheningconcretebeamswithcarbonfiberplatecanimprovetheultimatebearingcapacityandstiffnessofconcretebeams，italsoreducetheductilityofconcretebeamsbecausecarbonfiberplateiselasticmaterial，whichCannotmeettherequireme

6、ntsofductilityofstructuresInviewofthis，weproposeanewtypecompositeplatesteelwirefibercompositeplateOntheotherhand，steelwire—fibercompositeplateshasmanyadvantages，suchashi【ghstrength，lowelasticmodulus，lowductilityhighdurab

7、ilitylightweightandSOonbutthesecharacteristicscouldcomplementforeachotherThiscompositeplates(SFCP)isanewstructurematerialexpectedtopossesstheadvantagesofhighstrength，highelasticmodulus，hightoughness，corrosionresistance，l

8、owcostandetcOnthebaseofthistheorytherearealargenumberofresearcheshereonthestructurecharacteristicsofSFCPanditscomposites，includinghandmadetechnologyexperimentalresearchesandtheoreticalanalysisofmechanicalproperties，exper

9、imentalresearchesandtheoreticalanalysisofstructurereinforcedAtypeofSFCPhandmadedeviceisdeveloped，onbaseofwhich，weproposeahandmadetechnologyofSFCPandinvestigateallkindsofcompositemodesandindustrialproductionofSFCPreferenc

10、edpullingandextrudingmoldingofglassreinforcedExperimentalresearcheshavebeenconductedtostudythestrength，rigiditystressstrainrelationshipandsomeothermechanicalpropertiesofSFCBunderuniaxialtensionloadBecauseoftheconstitutiv