沉入式大直徑薄壁圓筒結(jié)構(gòu)數(shù)值分析與試驗(yàn)研究.pdf

1、天津大學(xué)碩士學(xué)位論文沉入式大直徑薄壁圓筒結(jié)構(gòu)數(shù)值分析與試驗(yàn)研究姓名：王樂芹申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：港口、海岸及近海工程指導(dǎo)教師：周錫礽20020601英文摘要ABSTRAC警DeepembeddedlargediameterthinshellcylinderiSanewhydraulicstructurestyle，whichisrecentlydevelopedandhasbroadprospectinpracticalenginee

2、ringfieldItcombinestheadvantagesofsimplestructure，goodmechanismunderloads，shortcons趕ucfionterm，lowcostgooddumbilityandSOonThusthisstructurestyIeiswidelyusedonbreakwaters，diversiondikes，quays，offshoreplatformsandotherhydr

3、aulicstructuresThisstructureiSgenerallyembeddedindeepsoftsoilontotheresistantsoillayer強(qiáng)恐interactionmechanismbetweenstructureandsoilisacomplicate3DproblemOnColmtofthecomplexloadconditionsandtheunceaaintyoftheinteractionme

4、chanism，it’shardtoresolvethedisplacementandstresscondifionofthecylinderbyuseofcomallonmechanicalmethodj張口SnumericalmethodcombinedwithmodeltestiStheonlyfeasibleanderiectivewaytosolvethissubject，Aftercomprehensivelyanalyzi

5、ngthemodeltest’Sresultsoflargediametercylinderandmakingthoroughtheoreticalresearch，theworkingmechanismoflargediametercylinderstructureCanbesummarizedasfollowsIfthesollinsideofthecylinderisdensifiedtoadegreeitwillworktoge

6、therwiththecylindertesisttheappliedloads。Thusthelateralsollresistantpress，frictionalforceactingonthecylinderandappliedhorizontalloadswillmakeupanequilibriumsystemOnbaseofthoroughanalysisoftheworkingmechanismoflargediamet

7、ercylinderWinkterfoundationmodeliSmodifiedaccordingtothepeculiarityofembeddedlargediametercylinderingeometricshapeandloadedresponseThenmodifiedWinktermodel，namelythespringelementmodel，whichissuitedtotheanalysisoflargedia

8、metercylinder’SloadedresponseiSestablishedOntheplatform《MARCSoftrarespringelementnumericalmodeliscarried。撼協(xié)analyzethemodeltest’ScylinderandapmcticalengineeringcaseBycomparisonofthenumericalcomputationalresultswiththetest

9、’smeasuringdata，thegoodcoincidencefullyprovesthefeasibilityandeffectivenessofthespringelementnumericalmodel’Sapplicationonthelargediametercylinderandits’surroundingsoilKeywords：deepembeddedlargediameterthinshellcylinderm