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ID:51793018
大小:1.97 MB
页数:24页
时间:2020-03-15
《水电工程中孔钢管安装施工方案.doc》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、此文档收集于网络,如有侵权,请联系网站删除吉布3水电工程GibeⅢhydroelectricproject中孔钢管安装施工方案Methodstatementofmiddleoutletpenstock审批Approvedby:校核Checkedby:编写Compiledby:中国水利水电第八工程局机电制造安装分局埃塞吉布3项目部SinohydroBureau8ElectricalandMechanicalFabricationErectionDivisionEthiopiaGibeIIIHydroelectricProjectDepartment二
2、零一三年一月二十四日2013.01.24此文档仅供学习与交流此文档收集于网络,如有侵权,请联系网站删除目录Contents1.概述General32.施工准备ConstructionPreparation52.1安装前检查Inspectingbeforeerection52.2控制样点放置Settingoutreferencepoints52.3技术要求Technicalrequirements53.中孔钢管安装ErectionforMiddleOutletSteelLining63.1定位节、凑合节的选取Selectionoflocatingse
3、ctionandfittingallowancesection63.2钢管的吊装及就位liftingandpositioningofsteellining73.3钢管的转运、临时堆放transportationandtemporarystackingofsteellining83.4钢管的安装场地基本要求Basicrequirementsforsteelliningerectionarea93.5用于钢管安装调整加固的埋板、锚筋Embeddedparts,anchorbarusedforsteelliningerection,adjustmenta
4、ndreinforcement103.6钢管的安装Erectionforsteellining113.6.1钢管安装的流程图Steelliningerectionprocedureflowchart113.6.2钢管的安装主要工序Generalprocessofsteelliningerection123.7钢管的焊接Weldingofsteellining143.8钢管的最终验收finalacceptanceofsteellining143.9钢管验收后的移交Handingoverafteracceptance154.下游闸门埋件及钢衬安装Emb
5、eddedpartsandsteellinerinstallationfordownstreamgate155.上游闸门埋件安装Embeddedpartsinstallationforupstreamgate196.工期及资源配置constructiondurationandresourceallocation206.1劳动力资源manpowerresource206.2主要施工设备投入Allocationofmainconstructionequipment216.3钢管安装工期Erectiondurationofsteellining237.安
6、全注意事项Precautions24此文档仅供学习与交流此文档收集于网络,如有侵权,请联系网站删除1.概述General埃塞俄比亚吉布3水电工程大坝共设两套泄洪钢管,分为右侧泄洪钢管和左侧泄洪钢管,左、右孔结构及布置形式相同。TwoflooddischargesteelliningsaredesignedforthedamofEthiopiaGibeIIIHydroelectricProject,whicharedividedintorightsteelliningandleftsteellining.Thebothsidesofoutletare
7、inthesamestructureandlayout.中孔钢管长度约116.5m,包括为:进口过渡段,渐变段(φ7m~φ6m,弯管段(φ6m),直管段(φ6m),收缩段(φ6m~5.4m),直管段(φ5.4m),收缩段(φ5.4m~4.6m),出口渐变段。钢管结构形式如下:Middleoutletsteelliningisabout116.5mlong,consistingofinlettransitionpart,transitionpart(φ7m~φ6m),curvedpart(φ6m),straightpart(φ6m),contract
8、ionpart(φ6m~5.4m),straightpart(φ5.4m),contractionpart(φ5.4m~4
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