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1、xxxxxxxxx小学备 课 本班 别：五年级科 目：科 学任课老师：xxxxxxxxxxxxxxxxx 至 xxxxxxxx 学年度 第一学期pipeandthemetalstructureinstallationpartmainincludingYunnanprovincetengchongCountyyongxingRiverprimaryandsecondaryhydropowerstationintheofpressurepipeandthepowerstationmetalstructure,whichlev
2、elpowerstationpressurepipetotalabout562t(containingannex);IIlevelpowerstationpressurepipeabout733t(containingannex);levelpowerstationmetalstructureabout52.5t,containingdischargeGate2hole,rushedsandGate1hole,watermouthworkdoorandthestoppeddirtgatethe1hole,Qianpoolwo
3、rkdoorandthestoppeddirtgatethe1hole;Secondarypowerstationmetaljunctionatabout19.5t,containingsandGate1hole,waterinletwatergateandtrashthe1hole;theirauxiliaryhoistequipmentandelectricalequipment.Concretepressurepipe,gate,trashandhoistingdeviceprojectpropertylist1-1~
4、1-3.Table1-1themaincharacteristicsofthepenstocknumberitemparametertypecontrollersizeheadalongpipediameterpipelength11hydropowerstationpenstockopen-airexposedpipe,singlepipejointwatersupply1.3M931m0.8M8.3*2m22hydropowerstationpenstockopen-airexposedpipe,singlepipejo
5、intwatersupply1.4m1063.506m0.8M10*2mtable1-2hydropowerstationMaincharacteristicsofhydraulicmetalstructurenumberprojectnamegate,trashrack,door(gate...Pressurepipeandthemetalstructureinstallation9.1mainengineeringprofileyongxingriverlevelhydropowerstationpressurepipe
6、pipelineplaneShangalongRidgeislinelayout,andslopesurfacecontourclosevertical,GuanPowithoriginalgroundlinechanges,usedopentypeMingtube,singletubejointwaterway,competentdiameter1.3M,long931.00m,tworootnon-symmetric"Bu"typesupporttube,diameter0.8M,singlerootlong8.3M.C
7、ompetenttoestablish12townPier,107buttress,telescopicsection11.SupportPierspacing8M,side-slidingbearing.Townpierfortheclosed-endstructureofgravity,basesurfaceintobedrock,pipeexcavationslope1:0.75withM5groutedrubbleslopeprotection,0.3M,bottomsidesewer,0.25mwide,deep0
8、.3m,M5groutedrubblemasonry,setmaintenancestepladderontheleftside,1.0Mwide.Yongxinghe-ⅱhydropowerstationpenstockpipesarrangedalongtheridgelineonth
