知识点排水管道常用管材KeyPointsCom课件讲解

项目2城市排水系统Project2:UrbanDrainageSystem知识点：排水管道常用管材KeyPoints:CommonMaterialsforDrainagePipes1.2.4排水管材1.2.4DrainagePipeMaterials1.对排水管材的要求：1.RequirementsforDrainagePipeMaterials:a）足够的强度以承受外部的荷载和内部的水压，并保证在运输和施工过程中不至破裂；a) Sufficientstrengthtowithstandexternalloadsandinternalwaterpressure,ensuringthattheydonotcrackduringtransportationandconstruction;b）应具有抵抗污水中杂质的冲刷磨损和抗腐蚀能力。b) Theyshouldhavetheabilitytoresistabrasionfromimpuritiesinwastewaterandbecorrosion-resistant.c）必须密闭不透水，以防止污水渗出和地下水渗入。c) Theymustbewatertighttopreventwastewaterfromleakingoutandgroundwaterfromseepingin.d）内壁应平整光滑，尽量减小水流阻力。d) Theinnerwallshouldbesmoothandeventominimizewaterflowresistance.e）应就地取材，降低施工费用。e) Materialsshouldbesourcedlocallytoreduceconstructioncosts.不透水

Watertight有抗腐蚀，浸蚀能力

Corrosion-resistantanderosion-resistant抗冲刷、耐磨损

Scour-resistantandwear-resistant具有一定的强度，抗压抗折

Withacertainstrength,compressiveandflexuralresistance货源充足、价格便宜

Plentifulsupplyandlowcost内壁光滑、阻力小

Smoothinnerwallwithlowresistance1.2.4排水管材1.2.4DrainagePipeMaterials2.常用排水管材2.CommonDrainagePipeMaterials混凝土和钢筋混凝土管ConcreteandReinforcedConcretePipes陶土管VitrifiedClayPipes金属管MetalPipes砖石浆砌或钢混大型管渠LargeBrick-and-MortarorReinforcedConcreteChannels石棉水泥管AsbestosCementPipes其他管渠,包括木管,竹管,塑料管,玻璃钢管等Otherchannels,includingwoodenpipes,bamboopipes,plasticpipes,fiberglasspipes,etc.(1)混凝土和钢筋混凝土管(1)ConcreteandReinforcedConcretePipes混凝土和钢筋混凝土管ConcreteandReinforcedConcretePipes(1)混凝土和钢筋混凝土管(1)ConcreteandReinforcedConcretePipes优点：Advantages:制造方便，成本低，抗压能力强，适用于大管径Easytomanufacture,lowcost,strongcompressivestrength,suitableforlargediameters缺点：Disadvantages:抗酸、碱和浸蚀能力低；抗渗透性能低；管节Lowresistancetoacids,alkalis,anderosion;poorimpermeability;短，接头多，施工困难；重量大，搬运不便/Shortpipesectionswithmanyjoints,makingconstructiondifficult;heavyweight,inconvenientfortransportation承插式SocketType企口式Tongue-and-GrooveType平口式PlainEndType混凝土和钢筋混凝土管ConcreteandReinforcedConcretePipes(1)混凝土和钢筋混凝土管(1)ConcreteandReinforcedConcretePipes混凝土和钢筋混凝土管ConcreteandReinforcedConcretePipes承插式SocketType(1)混凝土和钢筋混凝土管(1)ConcreteandReinforcedConcretePipes混凝土和钢筋混凝土管ConcreteandReinforcedConcretePipes企口式Tongue-and-GrooveType平口式PlainEndType混凝土和钢筋混凝土管ConcreteandReinforcedConcretePipes(1)混凝土和钢筋混凝土管(1)ConcreteandReinforcedConcretePipes(2)陶土管(2)VitrifiedClayPipes陶土管VitrifiedClayPipes特点：Features:内外壁光滑；不透水性能好，耐磨损、抗腐蚀；强度低，抗压抗折能力差，管径较小，一般在300mm以下Smoothinnerandouterwalls;goodwatertightperformance,wear-resistant,andcorrosion-resistant;lowstrengthwithpoorcompressiveandflexuralcapacity;generallywithasmalldiameter,typicallybelow300mm适用条件：ApplicableConditions:居民区室外排水管、工业废水中Usedforoutdoordrainagepipesinresidentialareasandindustrialwastewater玻璃钢管FiberglassReinforcedPlastic(FRP)Pipes(3)玻璃钢管(3)FiberglassReinforcedPlastic(FRP)Pipes塑料管等PlasticPipes,etc.(4)PVC—U管(4)PVC-UPipes