多向鋪設(shè)纖維布層合材料力學(xué)性能試驗(yàn)研究

1、河北理工學(xué)院碩士學(xué)位論文多向鋪設(shè)纖維布層合材料力學(xué)性能試驗(yàn)研究姓名：張海林申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：防災(zāi)減災(zāi)及防護(hù)工程指導(dǎo)教師：劉廷權(quán)華玉20031226河北理【學(xué)院碩十學(xué)位論文AbstractInrecentyears，compositematerialshavebeenlargelyusedincivilengineeringAsanewtechnologyofstrengtheningandrebuildingtheexisting

2、buildings，externally—bondingcarbonfiberreinforcedplasticsheetshavebeennoticedbymanycivilengineersLotsofresearchprogresseshavebeenobtainedButitisscarceintheresearchonmechanicalbehaviorofstrengtheningcoatingForthisreason，1

3、59piecesofcarbonfibersheetspecimensaredesignedtodemonstratethetensileresultsonthebasesofdifferentkindsofcarbonfibersheets，resins，layersandplyingdirectionsTheresultsindicatethatthecoatingwhichmodelsrealstrengtheninghasdif

4、ferentmechanicalbehaviorfromthatofferedbythemanufactures：theloadofsinglelayercarbonfibersheetspecimenisseriouslyaffectedbyitsbrokentype；withthelayersgrowingup，thedistributionofbugsgoetobeuniformity，theroadoftransmittings

5、tressisimproved，SOtheabilityagainstdisaccordstressincreasesandtheusingefficiencyofcarbonfibersheetisalsoenhanced；thecarbonfibersheetshavedifferentmechanicalbehaviorforthedifferentmanufactureprocessandtypeofproducts；resin

6、alsohaseffectonthemechanicalbehaviorcarbonfibersheet，resinwellmatchedwiththecarbonfibersheetisgoodforthecarbonfibersheettOenhanceitsultimate10ad，comparingwith[02】specimenf45／45]specimenshavelowerultimateloadandhigherener

7、gyconsumptionability；fromthestrain—loadcurvewecanseethatthesheetshave1inerbehavior，SOthelinermodelinstructuredesignisreasonableHowtodeterminethedesignvalueisstillaproblemconcernedbymanydesignersInthispaper，detectingmetho

8、dandstrengthforecasti噸formulaareputforewordComparingwithothermethodsdesignvaluebasedonstrengthforecastingformulahasmoreaccuracyandsatisfiesthedesignrequirementsKeyWords：carbonfibersheet，mechanicalbehavior，tensilestrength