基于靜力響應(yīng)的橋梁結(jié)構(gòu)損傷識(shí)別研究.pdf

1、武漢理工大學(xué)碩士學(xué)位論文基于靜力響應(yīng)的橋梁結(jié)構(gòu)損傷識(shí)別研究姓名：張家弟申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：結(jié)構(gòu)工程指導(dǎo)教師：黃斌20060401武漢理工大學(xué)碩士學(xué)位論文AbstractBridgesatethehingesoftrafficsystem，playingallimportantroleinthenationaleconomicandsocietyAlongwiththeextensionofthebridgeservicelife，i

2、nternationalcommunityincreasinglypaysattentiontothesafetyoftheexitingbridgeNowthedamageidentificationofbridgesisbecomingtherealmwhichneedtoenhanceurgentlywhichisalsoanurgentandimportanttaskDamageidentificationofbridgestr

3、ucturesisaquestionwhichourbridgeengineeringurgentlyawaitstobesolvedbthispaperamethodofdamageidentificationofbridgestructuresbasedonstaticresponseispresentedAccordingtotheruleofdamageidentificationofbridgestructureswedoar

4、esearchandgetaniceresultonthehealthyanddegreeofdamageofbridgestmcturesandtheeffectofmodalmistakescaUSebysomereasons，Themainachievementsatebrieflymentionedasfollows：1Hasdonesomerescarchonthesimpleinductionandthesummarytod

5、amageidentificationmethodsofdomesticandforeignbridgesstnlcture，andhasappraisedeachkindofbridgedamageidentificationmethodsadvantages，obtainsthatcarryingonthedamageidentificationtobridgesUucturesusingthemethodofstaticrespo

6、nseisthecurrenturgentmatter2DetaUintroducethebasicprinciplecarryingoildamageidentificationtothebridgest[ncturesbasedonthestaticrespofise，andobtainedtheqmteidealidentificationeffectthroughthevaluecomputation3Consideringit

7、isdifficulttogettheangulardisplacement，alsotheprecisionisnotenough，whileusingthemethodinthedamageidentificationprocesshascarriedonshrinksstepprocessingfromthestructureinitialmodelrigiditymatrixAndnowonlyneedstogetthedefl

8、ectionvalueofeachpitchpointthenitispossibletocalculatetheidentificationresult，obtainedamoreidealresultthrou曲thevaluecomputation4Basedouthedamageidentificationtheoryonthestaticresponsetothebridgestructures，analyzetheinflu