城市河道挡水建筑物影响试验研究

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1、河北工程大学硕士学位论文城市河道挡水建筑物影响试验研究姓名：董彦超申请学位级别：硕士专业：水力学及河流动力学指导教师：杨纪伟2011-04AbstractAbstractAriverserveasamostessentialresourceeitherwhenacitybeginstotakeshapeorwhenitalreadystartsdeveloping.Ariveralsoembodiesitsgeneralenvironmenttheexistenceornon-existenceof

2、awholecityrestslargelyupontheriverwhichcanhaveagreatinfluenceonitsowndevelopmentandaffectitsstylisticcharacteristicsasmuchasitsbeautification.Chinapresentlyisnotdoingaquitesatisfactoryjob,thoughtheutilityofurbanriverhashighlyexpandedandenriched,alongwi

3、ththeevolutionofsociety,thedevelopmentofscientifictechnology,ever-speedingurbanizationaswellastheelevationofpublicdemand.Althoughgreaterattentionhavebeenpaidtowaterenvironmentconstructionsincethelate1990s,andsomepreliminarypracticehavealsobeencarriedou

4、t,there'salackofcomprehensivestudyandanalysisofthebasicprinciples,specificmethodsandprogrammersofcomprehensivereclamationofurbanriversandecologicalconstruction.Riverdambuiltaftermeetthepowergeneration,irrigation,floodanddrainingwaterloggingrequirements

5、etc,itchangestheoriginalchannelcharacteristic.Asoftheflowinmanygroupsofindoorwatertanktestbasisthispapermainjobhas:1.Tocomparedwithnodamandthewholedamindifferentflowunderdifferentslopealongtherisersectiondepth,alongtherisercross-sectionvelocity,dambefo

6、reandafterthelateralvelocityprofile.Onthewholedamwhenbeforedamharmonywaterlengthharmonywaterwascalculated.2.Tocomparedwithnodamandopeningsdamindifferentflowunderdifferentslopealongtherisersectiondepth,alongtherisercross-sectionvelocity,dambeforeandafte

7、rthelateralvelocityprofile・Ontheopeningdamwhenbeforedamharmonywaterlengthharmonywaterwascalculated.3.Tocomparedwiththewholedamandopeningsdamindifferentflowunderdifferentslopealongtherisersectiondepth.alongtherisercross-sectionvelocity,dambeforeandafter

8、thelateralbelocityprofile.Onthewholedamwiththeapertureofbeforedamharmonywaterlengthharmonywaterwerecompared.Keyword:riverwaytreatment;waterretainingstructure;flowcharacteristics独创性声明本人郑重声明：所呈交的学位论文，是本人在导师的指导下，独立进行研究工作所取得的成果。除文中已经注明引用的内容