DB11 685-2013 雨水控制与利用工程设计规范

DB11/685-2013J12366-2013Codefordesignofstormwatermanagementandharvestengineering2013-07-242014-02-01CodefordesignofstormwatermanagementandharvestengineeringDB111685-20132014020120132013)13044W.I.(DB11/685-2013)-1-(UL2013112014212014211.0.3,1.0.7,4.1.11,4.4.2,4.6.1,4.8.9.5.4.4.5.6.4,5.6.5))(DB11/T685-20092013917-2-20131113621DB11/685-2013UB11/T685-20092013-7-242014-2-12.B11/1003-20132013-i-242014-2-1([e-mail])[e-mail]111685-2013DB111685-20131......................12.............................22.1........................................22.243...................73.173.2................113.3144164.1...............164.2...........174.3.......................................................184.4194.5...............................................234.6...........244.7.................254.8.................274.9..............................285..................................................................................305.1305.2...........305.3..........315.4.................................315.5............................................33DB11/685-20135.6.......37A....................39B1440min.............43C53D.................54....................55................56...................................57DB111685-2013CONTENTSGeneralProvisionsTermsandSymbols2.1Terms...2.2Symbols7J3DesignandCalculationld000jOnnCUCUll1111111111JJJ3.13.23.3DesignParameters.........................Waterquantitycalculation.............Calculationofinfiltrationfacilities4Buildingandsub-district....................................................4.1Generalprovisions.................................................................4.2Stormwatermanagementandharvestplanning4.3SystemDesign........................4.4Stormwaterinfiltrationandretention.....4.5Stormwatercollectionandpollutantabatement.4.6Stormwaterstorage............................................4.7Stormwaterdetention...........4.8Stormwatertreatmentandreuse4.9Systemmonitoring.........................................5MunicipalEngineering.................................................................5.1Generalprovisions.....................5.2Stormwatermanagementandharvestplanning5.3Stormwatermanagementandharvestpatterns5.4Stormwaterinfiltration..........................................................5.5Stormwaterretention............DB11f685-20135.6Stormwaterharvestandreuse................................................37AppendixAThecommonlyuseddesignrainfallintensityofBeijing...................................................................................39AppendixB1440minrainfallpattdistributiontableofBeijing..43AppendixCDailyadjustmentcalculationmethodfordeterminingthevolumeofstormwaterstoragemeasures................53AppendixDFlowchartofstormwatermanagementandharvestsimulation.......54Explanationofseveralwordsinthiscode......................................55Listofquotedstandards..........................56Explanationofprovisions..............................................................57DBII/685-201311.0.1.0.21.0.31.0.41.0.51.0.61.0.71.0.8DB11/685-201322.12.1.1stormwatermanagementandharvest2.1.2LID)lowimpactdevelopment2.1.3stormwaterdetention,retentionandstorage2.1.4stormwaterretention2.1.5tormwaterstorage2.1.6stormwaterdetention2.1.7waterstoragecapacityofpavementlayer2.1.8designrainfalldepthDB11/685-20132.1.9volumecaptureratioofannualrainfall2.1.10dischargerunoffcoefficient2.1.11volumetricrunoffcoefficient2.1.12underlyingsurface2.1.13greenroof2.1.14impervioussurface2.1.15perviouspavement2.1.16perviouspavementstructure2.1.17perviousasphaltpavement2.1.18perviousconcretepavement2.1.19grassswaleDBII/685-20132.1.20bio-retentionmeasure2.1.22infiltration-removalwell2.1.23infiltrationpool2.1.24infiltrationmanhole2.1.25infiltrationtrench2.22.2.1qqcVV,sDBI1/685-2013vaQQWiTWuT2.2.2FFaFoShaAsnkzovAT2.2.3PDB1/685-2013PaKK'J2.2.4ttlistctDB11/685-201333.13.1.120595mm3.1.1-13.1.1-203.1.1MM)At24h-1423.1.23.1.22I3.1.2-1)3064(1+0.741gP)(t+11.35)0.912(3.1.2-1)RL1(shm2)];t-min);a)ot,180min,P=0.25a-100a0IIDBII/685-2013q2001(1+0.811lgP)(1+8)0'7Pel0aa(3.1.2-2)t-120min,q1378(1+1.0471gP)(3.1.2-3)t,120min,(t+8)0.642P10ao2313(1+1.091lgP)(t+10)0.759(3.1.2-4)360mint120min,P--10a.1913(1+1.3211gP)q(t4-1n14744(3.1.2-5)360minit120min,P10aA.3.1.31t=t1+mt2(3.1.3)t-min);timin)5min5min-15min)omM=1;t2min).210min-15min3.1.43.1.4EF(3.1.4)DB111685-2013F1m2);3.1.4300mm)0.3-0.40.40.8-0.91-0.6^-0.70.80.8---0.90.9-0.95-0.5-0.610.70.45-0.55-0.650.40-0.40.4^-0.50.3-0.150.31-Ir500mm)0.150.3l500mm)0.30.40.4-0.08--0.450.08^-0.45500.85-1.03.1.53.1.73.1.7DB11/685-20133.1.5mgCODcrTSSNH3-NTNTP150A-200050^-50010^-2520^800.4-2.030^-10010-502-104^-200.1-0.4150-2500100-12005-25-5^-400.2.030-12030-1001-45100.1-0.2200^-3000200x--20002-505-1000.5-5.030--30050-3002-10-5200.1-1.0110---40