基于SWMM的北京市暴雨洪水模擬分析.pdf

1、北京工業(yè)大學(xué)碩士學(xué)位論文基于SWMM的北京市暴雨洪水模擬分析姓名：晉存田申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：市政工程指導(dǎo)教師：趙樹(shù)旗20090501ABSTRACTABSTRACTWiththedevelopmentofurbanization，theareaandsurfaceofurbanchangealot，therainfallproductionandaffiuxrulesalsohaveabigchangeUnderthesamecon

2、ditionofrainfall，therainfallproductionandrunoffcoefficientandpeakflowallbecomebigeraccordingtotheresultofimperviousareabecominglargerandlargerNotonlythisbringsabigburdenforfloodpreventionatdownstream，butalsodischargesrai

3、nresources，rainwaterresourcesdoesnotbefullyutilizedInordertoreducetheurbanstormflooddisasteritneedsathoroughunderstandingonrainfallproductionandaffiuxunderdifferentconditions；Inordertocollectandusevaluablewaterresources，

4、itneedsaresearchonrainwaterutilizationmeasuressuchaspermeablebrick、sunkenlawnandreservoirSothispaperstudiesonanareaofBeijingbySWMM，whichisdevelopedbyUSEnvironmentalProtectionAgencyFirst，usesbothreasoningformulaandSWMMtoc

5、alculatethepeakflowofdifferentfrequencies，thenitshowsthatSWMMmodelsimulationsCallmeettheneedsofprojectsandverifiestheaccuracyandfeasibilityofSWMMbydoingacomparativeanalysisSecond，simulatesstormfloodunderdifferentconditio

6、nsbySWMM，includingdifferentfrequenciesofrainfallanddifferentproportionsofimperviousareaThenanalysisthechangesofrainfallproduction、rainfallaffiuxandthepeakflowofthemaindischargepipeTheresultsshowthatrainwaterrunoffandpeak

7、flowareincreasingsignificantlywiththeincreasingoftheintensityofrainfallandthepercentageofimperviousareaAtlast，thispaperhasaresearchonrainwaterutilizationmeasures，suchaspermeablebrick、sunkenlawnandreservoircaculatestheiri

8、nfluencesonurbanrainwaterTheresultsshowthatpermeablebrickmeasurehasagoodeffectundertheconditionofgreaterwaterintensitysunkenlawnhasagoodeffectundertheconditionoflowerwaterintensityItCancombinethetwomeasuresunderthecondit

9、ionofrainwaterchangingintensivlyanddeterminesthearearatioofpermeablebrickandsunkenlawnaccordingtotherealrainwaterintensityandthedischargingabilityofdrainagenetworkKeywords：SWMM；permeablebrick；sunkenlawn；reasoningformula；