列車運(yùn)行對附近建筑結(jié)構(gòu)振動(dòng)影響研究.pdf

1、廣東工業(yè)大學(xué)碩士學(xué)位論文列車運(yùn)行對附近建筑結(jié)構(gòu)振動(dòng)影響研究姓名：王長林申請學(xué)位級(jí)別：碩士專業(yè)：結(jié)構(gòu)工程指導(dǎo)教師：張玉紅20100501廣東工業(yè)大學(xué)碩士學(xué)位論文ABSTRACTInrecentyears，therapidtransportationofourcontryhavebeenquicklydevelopped，especiallycommonusedrailtransitsystemInordertomeetthefastgro

2、wingtrafficdemand，majorcitiesbuildalargenumberoflightways，undergroundrailwaysandotherfastmeansoftransportstoalleviatethetrafficpressureAsanincreasingcitybuilding，someraillinesgothroughthebuilding，evenafewmetersfromthebui

3、lding，whichinevitablyaffectsvicinalbuildingstructuresandlivinglifeofpeopleLucklytheimpacthasarousedextensiveattentionThepapersimulatesthetracksystembyrails，fastenings，sleepers，ballastandanlysisesimpactionofthefastenerdam

4、pingandstiffnessondynamicresponseofrailWiththeincreasingofthedampingofrailfastener，maximumverticaldisplacementoftherailbecomesgraduallyweakened，andwiththeincreasingofthestiffnessofrailfastener，themaximumverticaldisplacem

5、entoftherailgetslagerandthenbecomesgraduallyweakenedSecondly，thepapergetsanalyticalsolutionofFouriertransformofthedynamicequationofthesoil，whenharmonicloadsandrailloadsseparatelyactingontheisotropicsaturatedsoil，transver

6、selyisotropicsaturatedsoilandlyingrigidbedrockoftransverselyisotropicsaturatedsoilThepapergetsthevalueoftheformofFourierTransformsolutionbyselfcompiledprogramsusingMatlabsoware，andanalysimpactbetweenspeedandfrequencyofth

7、eloadandsurferdisplacementofthesaturatedsoil，variationoftheverticaldisplacementwithdepthofsiol，andvariationoftheporewaterpressurewithdepthofsi01Andthen，theauthorputthetracksystemonthesurferofsoil，andsimulatedtrainloadash