11211.5100602.510275、、、《》GB50014—2006《》。。、。、。TU99B1000-4602201118-0025-04ComparativeAnalysisofCommonlyUsedMethodsofFloodPeakFlowandStormwaterFlowCAIJian-bo1LINNing1XIEZhen-an2ZHANGJian-liang11.GuangzhouMunicipalEngineeringDesignandResearchInstituteGuangzhou510060China2.DepartmentofEarthSciencesSunYat-senUniversityGuangzhou510275ChinaAbstractWhenstormwaterdataareusedtoderivefloodpeakflowandfloodhydrographwaterconservancyprojectsadoptthesyntheticunithydrographderivationformulaempiricalformulaandnetrainfallprocessapproachwhiledrainageprojectsadoptthederivationformulainCodeforDesignofOut-doorWastewaterEngineeringGB50014-2006orUrbanHydrologytocalculaterunoff.Thereisacer-tainmisunderstandingandevenmisuseintheactualusethoughthetwoprofessionalwayscoexistformanyyearseachwithitsownscopeofapplication.Thesourcesandprocessofcalculationmethodsforrainfallamountandrunoffusedinthewaterconservancyprojectsandthedrainageprojectsarecomparedandanalyzedshowingthatthestandardsforthebothareequivalent.Inadditiontheselectionofdiffer-entmethodsandtheoptimizationandcalibrationofparametersaresuggested.Keywordswaterconservancyprojectfloodpeakflowstormwaterintensityrecurrencein-tervalstormwaterflow“”。“、、”、、、、。《·52·271820119CHINAWATER&WASTEWATERVol.27No.18Sep.2011》GB50014—2006《》、、。、。11.1“”。。Ⅲ。1.2、。JL、ZJθ。1.3。19782.3~950km250639。ΔtΔt、1mm。Δt。1.41988195819761988198819882.3~950km248597Qm、τQm=0.278·SP/τnp-f·F1τ=0.278L/mJ1/3Q1/4m2Qm———m3/sF———km2np———SP———f———mm/hτ———hL———kmJ———m———1.5<10km2。QmQm=C1×H24P×F0.84/θ0.153C1———H24P———mmθ———1.6<2km2。。22.11851T.J.Malv-aney100。GB50014—2006QS=qΨF4QS———L/s·62·2718.watergasheat.comq———L/s·hm2Ψ———F———hm2。q=167A11+ClgPt+bn5t———minP———A1、C、b、n———5~120min90.25~1086~8。2.2《》《》Qm=0.278·Ψ·ip·A6ip=SP/τnp7ip———mm/hA———km2τ———h。33.1①。6~80.25~102100、。②。10~4320min5min120min。60min60min。③。10、60min5、108%~18%25%~7%。7434km210%、。④。10min60min10%~30%。25~20。55、。3.2———“”“”I0f。24hf2.5~5.0mm/hI0I0。24h100~350mmI0I0。2h。、、I0'。I0'·72·.watergasheat.com2718。2、15min28.7mm0.75I0'=7.2mm。、。、。3.3①。。、、、。5~15min《》τ=0.87×L3/H0.385。、m1τ。②。。、。③。2.3~950km22.3km2。<10km2。120min2h1000hm21000hm21~2h。3.4、、。2~3、。4①。②19882.3~950km2>1000km2<10km2。2~100、1~168h、、。③F<10km2、τ<2h、P=0.25~10、。④、、。1.J.1995346-50.2.J.2003218-12.3.J.200212619-22.E-mailzsucai@163.com2011-03-22·82·2718.watergasheat.com