項(xiàng)目 2 排水管道開(kāi)槽施工 Section 10Construciton of Drainage Pipeline Work09課件講解

項(xiàng)目2排水管道開(kāi)槽施工Section10 ConstrucitonofDrainagePipelineWorks足夠的強(qiáng)度；Sufficientstrength;不透水；Impermeability;抗腐蝕、浸蝕；Resistancetocorrosionanderosion;具有一定的彈性。Certainelasticity.柔性接口：允許管道縱向軸線有3~5mm的交錯(cuò)或較小的角度。Flexiblejoint:Allowsfor3~5mmofoffsetorasmallangleinthelongitudinalaxisofthepipe.剛性接口：不允許有相對(duì)的位移。Rigidjoint:Norelativemovementisallowed.半柔半剛性接口：介于柔性和剛性之間，如石棉水泥接口。Semi-flexiblejoint:Intermediatebetweenflexibleandrigidjoints,suchasasbestoscementjoints.排水管材的接口DrainagePipeJoints排水管道接口要求RequirementsforDrainagePipeJoints排水管道接口的分類ClassificationofDrainagePipeJoints排水管材的接口DrainagePipeJoints石棉水泥瀝青卷材接口：柔性接口，適用于無(wú)地下水地基沿管道軸向沉陷不均勻地段。Asbestoscementasphaltrolljoint:Aflexiblejointsuitablefornon-pressurizedpipesinareaswithnogroundwaterandunevensubsidencealongthepipeaxis.管道管口對(duì)正后，先將接口處管壁側(cè)刷凈烤干，涂冷底子油一層，再以瀝青砂漿作粘結(jié)。Afteraligningthepipeends,firstcleananddrythepipewallatthejoint,applyalayerofcoldprimeroil,andthenuseasphaltmortarforbonding.鑄鐵管承插式橡膠圈接口CastIronPipeSocket-TypeRubberRingJoint混凝土管承插式橡膠圈接口ConcretePipeSocket-TypeRubberRingJoint排水管材的接口DrainagePipeJoints企口式橡膠圈接口Spigot-TypeRubberRingJoint排水管材的接口DrainagePipeJoints水泥砂漿抹帶接口CementMortarBandJoint排水管材的接口DrainagePipeJoints鋼絲網(wǎng)水泥抹帶接口WireMeshCementMortarBandJoint預(yù)制套環(huán)石棉水泥(或?yàn)r青砂漿)接口：PrefabricatedRingAsbestosCement(orAsphaltMortar)Joint:屬于半剛半柔接口；石棉水泥重量比為水：石棉：水泥＝1：3：7(瀝青砂配比為瀝青：石棉：砂；1：0.67：0.67)。Asemi-rigid,semi-flexiblejoint;theweightratioofasbestoscementiswater:asbestos:cement=1:3:7(asphaltmortarratioisasphalt:asbestos:sand=1:0.67:0.67).適用于地基不均勻地段，或地基經(jīng)過(guò)處理后管道可能產(chǎn)生不均勻沉陷且位于地下水位以下，內(nèi)壓低于10m的管道上。Suitableforunevenfoundationareas,orpipesintreatedfoundationsthatmayexperienceunevensubsidenceandarelocate