磚砌體結(jié)構(gòu)地震易損性矩陣分析

1、中國(guó)地震局工程力學(xué)研究所碩士學(xué)位論文磚砌體結(jié)構(gòu)地震易損性矩陣分析姓名：田軍偉申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：防災(zāi)減災(zāi)工程及防護(hù)工程指導(dǎo)教師：洪峰孫景江20050101ABSTRCTThebrickmasonrystructureiswidelyusedinthebuildingsofourcountryThecapabilityofseismicresistanceispooranditissubjectedtoseveredamageinpa

2、ssedearthquakeInthispaper，amethodforcalculatingseismicvulnerabilitymatrixofbrickmasonrystructureisputforwardThemaincontentiSasfoIlows：1Investigativebackgroundandpurposeaswellasmeaningsareintroducedinthispaper，andthestudy

3、actualitiesaboutseismicvulnerabilityaresummarized2TheearthquakegroundmotionmodelissimulatedasnonstationarystochasticprocessmodelthatisusedasequivalentstationarystochasticprocessItspowerspectralmodelisthetwice—filteredwhi

4、tenoisemodelMoreover，therelationbetweenthepowerspectralintensityandthemeanvalueofmaximumgroundaccelerationissetup3ThemodelofbrickmasonrystructureiSsimulatedasshearmodelthatiSequivalentlylinearizedTheeovariancematrixequat

5、ionisdeduced。andthestatisticsofstochasticresponseandsensitivecoefficientaregivenThestructure’SdamagecriterionisuseddoubleparametersdamagecriterionByassumingthatthedistributionoftheearthquakeeffectandthatofthestructuralre

6、sistantforoeareGumbelIandlognormalrespectively，uncertaintiesinparametersanderrorofmodelaswelIasrandomnessofloadingareconsidered，thestructuralvulnerabilitymatrixiSestablished4Programtoresolvethespecialdifficultcovariancem

7、atrixequationiscompiled，andmanyprogramsarealsocompiledtocalculatetheresponsestatisticsandseismicvulnerabilitymatrixatlast5Finally，thetwobrickbuildingsofthreestoryandfourstoryareselectedasapplicationexamples，Bymeansofabov