Mombasa-NairobiStandardGaugeRailwayProjectTechnicalDisclosureForm技术交底书ConstructionUnit:MtitoBridgeGirdersandRailSleepersFactory,.:MN-6-JS--01Nameofproject单位工程名称Layingbase铺轨基地PartofWork工程部位TBeamT梁PreparedBy编制单位Engineeringdepartment工程部ReceivedBy接收单位 The teamforbeam anchors梁场封锚作业队ItemtobeDisclosed交底项目GirderAnchorSealing梁体封锚TimeofDisclosure交底时间2015-01-27Disclosurecontent:交底内容:Inordertopreventwaterandotherharmfulmediafromenteringthegirderandconsequentlycorrodinganchorsandexposedsteelstrands,-expansionagent,usegirderconcretematerialsforallconcreterawmaterialswhichshallbeaddedwithappropriateexpansionagentwiththeamountdeterminedbythelab;meanwhile,reducewaterusageappropriatelyandthewater--proofingtreatmentwithpolyurethanewaterproofingcoatingonanchors,anchorbearingplatesurfaceandexposedsteelstrandspriortoT-,腐蚀锚具及外露钢绞线,待孔道压浆工作完毕并经检查合格后,及时进行梁体封锚。封锚混凝土采用C55干硬性补偿收缩混凝土,混凝土原材料除微膨胀剂外全部采用梁体混凝土材料,其中掺入适量膨胀剂,掺量由试验室确定,同时适当减少用水量,降低水胶比,使混凝土坍落度满足施工要求。T梁封锚前对锚具、锚垫板表面及外漏钢绞线用聚氨酯防水涂料进行防水处理。Nameofproject单位工程名称Layingbase铺轨基地PartofWork工程部位TBeamT梁PreparedBy编制单位Engineeringdepartment工程部ReceivedBy接收单位 The teamforbeam anchors梁场封锚作业队ItemtobeDisclosed交底项目GirderAnchorSealing梁体封锚TimeofDisclosure交底时间2015-01-271、Roughening1、凿毛1)Roughen
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