鹽灌船閘下游武障河泥沙模型試驗研究.pdf

1、河海大學碩士學位論文鹽灌船閘下游武障河泥沙模型試驗研究姓名：李海泉申請學位級別：碩士專業(yè)：港口、海岸及近海工程指導教師：嚴以新陳國平20071201AbstractAsthemainshippingchanneltOthenorthandsouthinJiangsuprovince，Lianshenroute’SnorthernendreachestheseastraightlyformYanguanLockbyWuzhangRiver

2、andGuanRiver，butthesedimentdepositionofWuzhangRiverwillbethemajorobsmcletoopenthischannel，thetidegoesdirectformWuzhangRivertoYan’guanLock，serioussedimentdepositionofYan’guanLock’Slowerbasincausedbythedeformationoftidalwa

3、veisthegreatestdifficultytoempolderthischannel，thereby，wemustresolvetheproblemAftertheconstructionofYanguanLockontidalestuaries，sedimentdepositionunderlockisinevitablethatiscausedbythedeformationoftidalwave，therebyitisne

4、cessarytoresearchthemeasuresfordepositionreductionBasedontheresultsofhydrologicsurveyandmeasurementsandthewholephysicalmodelexperiment，throughanalyzingdataandfixed—bedmodeltest，movable—bedmodeltest，thetextfindsouttheprop

5、ertiesofthesedimentloadandthedistributionofthedeposition；realizesthenaturalstreamchannel’Smechanismofthesiltstable；studystheactionandeffectofhydraulicsandflushing；bringsforwarddifferentmeasuresfordepositionreductionaimin

6、gatdifferentsectorandthedegreeofdepththatcallreachInthestageoffixed—bedmodeltest，wearegoingtofindoutandresolvetheflowpattemofthekeycomponent，andthentofindOUtthebestschemetoprovideareferenceforprogramminganddesigning；inth

7、estageofmovable—bedtest，wearegoingtOstudytherecommendatoryschememainlyputforwarddifferentmeasuresfordifferentpositionteducethesilting，andthenrealizethatmakingthebestoftheadvantageofflushingandcooperatingnecessarymeasures

8、fordepositionreduction，thesiltingoftheWuzhangRivercouldberesolvedanditisfeasibletoachievehighergradechannelThestudyofthetaskisvaluabletesolvethedifficultproblemandCaJVCSon!theideaforlucabratingKeywords：fixedbedmodeltest、