知識(shí)點(diǎn)排水管道常用管材KeyPointsCom課件講解

項(xiàng)目2城市排水系統(tǒng)Project2:UrbanDrainageSystem知識(shí)點(diǎn)：排水管道常用管材KeyPoints:CommonMaterialsforDrainagePipes1.2.4排水管材1.2.4DrainagePipeMaterials1.對(duì)排水管材的要求：1.RequirementsforDrainagePipeMaterials:a）足夠的強(qiáng)度以承受外部的荷載和內(nèi)部的水壓，并保證在運(yùn)輸和施工過(guò)程中不至破裂；a) Sufficientstrengthtowithstandexternalloadsandinternalwaterpressure,ensuringthattheydonotcrackduringtransportationandconstruction;b）應(yīng)具有抵抗污水中雜質(zhì)的沖刷磨損和抗腐蝕能力。b) Theyshouldhavetheabilitytoresistabrasionfromimpuritiesinwastewaterandbecorrosion-resistant.c）必須密閉不透水，以防止污水滲出和地下水滲入。c) Theymustbewatertighttopreventwastewaterfromleakingoutandgroundwaterfromseepingin.d）內(nèi)壁應(yīng)平整光滑，盡量減小水流阻力。d) Theinnerwallshouldbesmoothandeventominimizewaterflowresistance.e）應(yīng)就地取材，降低施工費(fèi)用。e) Materialsshouldbesourcedlocallytoreduceconstructioncosts.不透水

Watertight有抗腐蝕，浸蝕能力

Corrosion-resistantanderosion-resistant抗沖刷、耐磨損

Scour-resistantandwear-resistant具有一定的強(qiáng)度，抗壓抗折

Withacertainstrength,compressiveandflexuralresistance貨源充足、價(jià)格便宜

Plentifulsupplyandlowcost內(nèi)壁光滑、阻力小

Smoothinnerwallwithlowresistance1.2.4排水管材1.2.4DrainagePipeMaterials2.常用排水管材2.CommonDrainagePipeMaterials混凝土和鋼筋混凝土管ConcreteandReinforcedConcretePipes陶土管VitrifiedClayPipes金屬管MetalPipes磚石漿砌或鋼混大型管渠LargeBrick-and-MortarorReinforcedConcreteChannels石棉水泥管AsbestosCementPipes其他管渠,包括木管,竹管,塑料管,玻璃鋼管等Otherchannels,includingwoodenpipes,bamboopipes,plasticpipes,fiberglasspipes,etc.(1)混凝土和鋼筋混凝土管(1)ConcreteandReinforcedConcretePipes混凝土和鋼筋混凝土管ConcreteandReinforcedConcretePipes(1)混凝土和鋼筋混凝土管(1)ConcreteandReinforcedConcretePipes優(yōu)點(diǎn)：Advantages:制造方便，成本低，抗壓能力強(qiáng)，適用于大管徑Easytomanufacture,lowcost,strongcompressivestrength,suitableforlargediameters缺點(diǎn)：Disadvantages:抗酸、堿和浸蝕能力低；抗?jié)B透性能低；管節(jié)Lowresistancetoacids,alkalis,anderosion;poorimpermeability;短，接頭多，施工困難；重量大，搬運(yùn)不便/Shortpipesectionswithmanyjoints,makingconstructiondifficult;heavyweight,inconvenientfortransportation承插式SocketType企口式Tongue-and-GrooveType平口式PlainEndType混凝土和鋼筋混凝土管ConcreteandReinforcedConcretePipes(1)混凝土和鋼筋混凝土管(1)ConcreteandReinforcedConcretePipes混凝土和鋼筋混凝土管ConcreteandReinforcedConcretePipes承插式SocketType(1)混凝土和鋼筋混凝土管(1)ConcreteandReinforcedConcretePipes混凝土和鋼筋混凝土管ConcreteandReinforcedConcretePipes企口式Tongue-and-GrooveType平口式PlainEndType混凝土和鋼筋混凝土管ConcreteandReinforcedConcretePipes(1)混凝土和鋼筋混凝土管(1)ConcreteandReinforcedConcretePipes(2)陶土管(2)VitrifiedClayPipes陶土管VitrifiedClayPipes特點(diǎn)：Features:內(nèi)外壁光滑；不透水性能好，耐磨損、抗腐蝕；強(qiáng)度低，抗壓抗折能力差，管徑較小，一般在300mm以下Smoothinnerandouterwalls;goodwatertightperformance,wear-resistant,andcorrosion-resistant;lowstrengthwithpoorcompressiveandflexuralcapacity;generallywithasmalldiameter,typicallybelow300mm適用條件：ApplicableConditions:居民區(qū)室外排水管、工業(yè)廢水中Usedforoutdoordrainagepipesinresidentialareasandindustrialwastewater玻璃鋼管FiberglassReinforcedPlastic(FRP)Pipes(3)玻璃鋼管(3)FiberglassReinforcedPlastic(FRP)Pipes塑料管等PlasticPipes,etc.(4)PVC—U管(4)PVC-UPipes