城市垃圾填埋场渗滤液处理工程的运行分析陈晓宁

CODcr/mg·L-1≤30000100BOD5/mg·L-1≤1500030NH3-N/mg·L-1≤100015SS/mg·L-1≤100070pH5.0~8.06.0~9.0-10-1~10-2CODcr/mg·L-1BOD5/mg·L-1NH3-N/mg·L-1SS/mg·L-1pH10000～5200018000～270001800～25001000～35007.6～8.021CHINAMUNICIPALENGINEERING2（139）20094No.2（SerialNo.139）Apr.2009。，，。20045，20068。，，（COD97%）。11080m2，＋UASB＋＋A/O＋。1900。1。400m3/d。1；，GB16889—1997《》，1。21998，。2004，5a。，COD30000mg/L，，COD30000mg/L。，CODcr、BOD5、NH3-N，2，1~3。，，、、、。，、，（，226007）：，，。，、、。。。：；；；：X703：A：1004-4655（2009）02-0032-03：2008-07-21PAM1、PAMUASBA/O·32·/mg·L-1/mg·L-1BOD5CODcrNH3-NSSCODcrNH3-NSS51960036400197423004867655621360382702490267042968537205303565021341897380514682273034980200915903204341923100326002260254027940431018903379202096198627139451122763331382342246535956481223276402572808228143861502153336152226422163705448：BOD5≤30mg/L。32006、，，。，。5a，CODNH3-N。，COD10000～52000mg/L，30000mg/L；NH3-N1800～2500mg/L，。，，。，，，，，2005，。，，、，，，。33.1，NH3-N1000mg/L，1800~2500mg/L，。NH3-N1000mg/L300mg/L，70%；NH3-N600~1000mg/L，60%。，。，NH3-N，pH10.5～11.0。NaOH1g/L；，pH10.5～11.0，NaOH5～6g/L。，，H2SO4。，NaOH。H2SO4，1H2SO4，H2SO4。3.2NH3-N，，，UASB，。NH3-N，NH3-N600mg/L，。，NH3-N200mg/L，，。，，1，。，。3.3，、（NaOH1g/L，5～6g/L；H2SO40.4g/L，5.0～6.5g/L）。NaOH2800/t（）、H2SO4600/t（），2.8×5+0.6×6.25=17.75/t（5~20/t）。、，30/t。4，20065~12、，3。，，，BOD5SS，CODcr、NH3-N。。1），CODcr20%，BOD540%，SSNH3-N120％。，：20092·33·2（30），：、、、（），2。2，。4，：1），，；，131kN。2），，，，。，。：［1］，.［J］.，2005（3）：78-81.131542171016701860159533175017201910/kN20092，：2）。，BOD（）30mg/L，，COD（），（5d），，COD。3）（），。30g/L（10g/L），10g/L，。4）。，UASB25℃。UASBCOD65%～75%。，，。UASB，UASB3d，，UASB3～4K，，COD28%～35%，75%。5）UASB，，。400t/d，50～100t/d，，。6）。，，。，，。7）。，，。51），（）。，。，，。，，，。2），、、COD，。3），，，。4），，。!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!·34·surveyhavebeenintroducedandthedemandsfordetectinginstrumenthavebeencarriedoutinthispaper.Finally,avibrationsurveycaseofalarge-typethreespanscontinuousgirderbridgehasbeenlistedbytheauthor.Keywords:bridge;vibrationsurvey;freevibrationfrequency;pulsatingmethod;excitingmethodOnXQZAppliedintheProjectofHongqiaoTransportationHubXUZe-ling(ShanghaiMunicipalEngineeringDesignGeneralInstitute,Shanghai200092,China)Abstract:Thebid1ofHongqiaotransportationhubrapiddistributingsystemisrelatedwiththeothertrafficsystemssuchasMaglevtrainandhigh-speedrailway,etc.Itmeansstrictdemandsforthepilefoundation,bearingplatform,columnsizeandposition.TheXQZhasbeenregardedasthebestchoiceforthebid1becauseofitsrelativelycheapcost,smallersizeandmeetingwithallofthetechnologydemands.Keywords:XQZ;Hongqiaotransportationhub;smallersize;bridgeSlidingAnalysisonOffsetLoadofSingleSupportContinuousBoxGirderBridgeTIANWei-xiong1,ZHAOYu-quan2,LIANGYue1(1.JiangsuInvestigationDesignDepartment,ShanghaiUrbanConstructionDesign&ResearchInstitute,Nanjing210036,China;2.XuzhouMunicipalDesignInstituteCo.Ltd.,Xuzhou221002,China)Abstract:Asinglesupportcontinuousboxgirderbridgeappearedbearingdisengagingandgirderslippageduringitsguardrailconstruction.Theauthormadestressanalysisofconstructionandoperationstages,adoptingtheentiremodelbuiltbysolidelement.Itshowedthatsinglesupportbridgecouldnotappearbearingdisengagingunderwhethersingletraceorpopulationoffsetloadduringitsoperationstage.Butbearingdisengagingwouldappearwhenonlyoneguardrailhasbeenbuiltanddeckpavementhasnotbeendone.Keywords:overpass;singlesupport;offsetload;lateralsliding;constructionCalculationDiscussiononUrbanWideBridgeTransverseDistributionCoefficientbyBeamGridMethodLILe-qiu1,PENGBin2,LIYong3(1.YunnanQujingNeng-yangDesignInstitute,Qujing655000,China;2.SimaoBranch,YunnanHighwayPlanning&InvestigationDesignInstitute,Simao665000,China;3.FacultyofCivilEngineeringandArchitecture,KunmingUniversityofScienceandTechnology,Kunming650224,China)Abstract:Theurbanbridgeisusuallywiderthanthehighwaybridge,soitstransversedistributioncoefficientisdifferentfromthelater.Somesimplifiedcalculationmethodstothecoefficientmeetwiththehighwaybridge,buttheyareprobablynotsuitwiththeurbanwidebridge.Throughthecomparativeanalysisofthewidebridgetransversedistributioncoefficientseparatelybybeamgridmethod,G-Mmethodandrigid-jointedbeammethod,theauthorprovidedreferencesforthepracticalengineeringdesigns.Keywords:urbanwidebridge;transversedistributioncoefficient;beamgridmethod;G-Mmethod;rigid-jointedbeammethodOperationAnalysisofUrbanRefuseLandfillLeachateTreatmentProjectCHENXiao-ningGUHong-bing(NantongUrbanConstructionEngineeringAdministrationCenter,Nantong226007,China)Abstract:Itisdifficulttotreaturbandomesticwasteleachatebecauseofitscomplicatedcomponentandhighconcentration.CombinedwiththeprojectofNantongurbandomesticwasteleachate,itstechnologicalprocess,constructionsituationandrawwaterqualitychangingwereABSTRACTS·79·introducedfirstly.Theproblemandresolvingmeasureofrawwateroverstandardwereanalyzedspeciallybytheauthor.Finally,thereasonsofeffluentqualitynotarrivingthestandardwerefoundoutandthedesigndefectswerereflected.Keywords:sewagetreatment;domesticwaste;landfillleachate;landfillOnConstructionofRainfallPipelinewithDeepTrench,Big-diameterinthePileGroupofWasteOldBuildingHUANGZhi-wei,PENGPeng(ShanghaiNo