城市雨水利用调蓄方式及调蓄容积实用算法的探讨

42Vol133No122007121(1,100044;2,100036),,,,Onregulation,reservationandpracticalcalculationinurbanrainwaterutilizationLiJunqi1MengGuanghui2CheWu1(11BeijingInstituteofCivilEngineeringandArchitecture,Beijing100044,China;21BeijingMunicipalWaterConservationOffice,Beijing100036,China)Abstract:Inreferringontheregulationandreservationvolumeforurbanrainwaterutilizationsomefactorssuchastheaim,themanner,theinfiltrationandspillinutilizationshouldbetakenintoconsiderationanddifferentcalculationmethodshavetobeusedtomeettheparticularsituation.Inthispapertherainwaterregulationandreservationmannersarereviewedandsomepracticalcalculationsofregulationvolume,namelytheprecipitationcapacityestimation,precipitationintensitycurvecomputingandstatisticprecipitationfrequencyaccumulationmethodsarediscussed.ForaregulationOreservationtankifthepeakclippingisrequired,thecalculatingresulthastobecheckedbythepeakclippingvolume.Otherproblems,includingthesludgevolume,dryboardandspillinginstallationsoftheregulationtankarediscussedaswell.Keywords:Rainwaterregulation;Regulationvolume;Calculations1,,,-(BJE10016200611);2006(06K419);(200503001),,,;,,[1],[2](1)1Vol133No12200743122.1,:(1),,(2)(3)(4),(5),2.2,(2):(1),,(2a),,(2),,(2b)(3),,2c,1;;,,(),,,,,,,,;,,,(,),,,,,,,,,44Vol133No1220072,(4),,,(2d),(2h),,(24h),,3,,(3),,33.13.1.1,V=10cHF(1)V,m3;c;H,mm;F,hm2;10H,20mm(),0.51hm2,100m320mm,,20mm,,,,3.1.2(q-t),4VT,[4],Vol133No122007454P,,0.331a,,-,(1),,3.1.3[3],,,(),,:(1),,-,(2)(1),(3),;(4),(5),/,V,V,V:VV,,,,,,V=VVV,,,,,V=VV=min{V,V},,1hm2,0.9,0.5a(2h),V=300m36d,,,30m3,180m3V=min{V,V}=min{300,180}=180(m3)3.2,,,,(2):V=T0(Qin-Qout)dt(2)V,m3;Qin,L/s;Qout(),L/s;t,min;T,min:(1),(2)46Vol133No122007(3)()(5)5,,Qout=045,3.3,,,4,,,4.1(),;,,200300mm4.2,0.3m,0.5m,,,,,4.3,(),,,,,,,(),,,,,,1,..:.20062UrbonasB,StahreP.Stormwater,PTRPrenticeHall,19933,,,..,2005,21(3):49524,,..,2001,27(11):1823&:[phone]E-mail:[e-mail]:2006-09-04