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401820099YangtzeRiverVol.40,No.18Sep.,2009:2009-06-12:,,,:1001-4179(2009)18-0028-03(,615000):64,2(),D500,2500N/mm2120096,:;;;;:TV531:A11.1(1710m()),1975.0m,5.5km2.8km,150mm,1.6g/cm3,2500t/h1011021041054103106101102105,1.21km;104,1.56km;103106,2.74km1.2,:;;,;,;;;(7000t/h);,;1.3,,150400mm,373000m,D5002500N/mm21,,21031061031661.5m,146.838m,114376m,,550m,401061860.265m,122.966m,40739m,,450m,4533.1(1)6:(),,,,,,,,,(2)18:,(103106)DG500C1159,(3)103106,,34m,46m103:0150mm1.51.6t/m3()500(1850)mm4m/s2500t/h1603.653m146.838m5.22ST2500YVP5000-43900kW690kV1500r/minB3SH16+F+N25YWZ5-710/3011250mm159mm106:5150mm1.51.6t/m3()500(1850)mm4m/s2500t/h1134.360m122.986m6.18ST1600YVP500-43710kW690kV1500r/minH3SH16+F+N25YWZ5-710/3011250mm159mm3.2(1)D5002500N/mm21,1(2),;,(:);11(:mm),,,,,;,,,,,20002400g/75mm,,,(3),7,0.2%3.3,:(1),;(2)(R=450m),0.5,,;(3),;(4),;9220091103106/mm/(kgm-1)/(gmm-1)/mm/mm/mm/mm/mm/(Nmm-1)//MPa/%//mm/(Nmm-1)ST2500185059.81.0(20002400)7519.81.0865.8121.5105224.045010000317ST1600185050.11.0(20002400)7518.21.0864.2101.595224.045010000217(5):,1mm;34,,,;,6;44.1103106,:4.2(1),,(2),,;,2mm;;,1.5mm(3);,;,,,;,(4),90%,,(5)4.3,(),,80%,300400m,,103106,300m18000kg,,200m,10317,10613,30:(1);(2);(3);(4),;(5);(6);(7)();(8);(9)();(10);(11);(12),;(13),,;(14),,;(15),,,;(16),;(17);(18)5060,,,1032008128200911617,(),1.95m,145,1.6MPa,2h,5060,1062008113200812113,(),1.55m,145,1.6MPa,2h,5060,51a,2009310310620094255,,66,3272t(:)03401820099YangtzeRiverVol.40,No.18Sep.,2009GenerallayoutofJinpingIHydropowerStationZHOUZhongTANGZhong-min(HydroChinaChengduEngineeringCorporation,Chengdu610072,China)Abstract:JinpingIHydropowerStationisthecontrollingprojectforcascadehydropowerdevelopmentoftheYa2longRiver,itsdamisdouble-curvaturearchandthehighestoneintheworld.Inthedamsiteselection,4damsiteswascompared,atlast,thePusiluogoudamsitewasdetermined.Afterfullconsiderationofgeologicconditionatdamsite,highwaterheadoflargeflooddischargestructure,narrowrivervalley,largeundergroundcavitiesandtechnologicdifficultiesofundergroundpowergenerationsystem,theprojectarrangementschemewasdetermined.Thefinalschemeisconcretedouble-curvaturearchdam,4surfaceholes+5deepholes+2bottomoutlets+plungepool,andaflooddischargetunnelwithpressureflowsectionconnectedtofreeflowsectionandundergroundpowerhouseonrightbank.ThispaperintroducestheprojectlayoutanditsadvantagesofJinpingIHydropowerStation.Keywords:projectlayout;layoutscheme;concretedouble-curvaturearchdam;JinpingIhydropowerstationDesignandinstallationofthelargesttubularbeltconveyorsysteminChinaYANGYuSHANGWen-yougSHENPan-deng(ConstructionSupervisionDepartmentofJinpingHydropowerStation,ProjectSupervisionCenter,ChangjiangWaterResourcesCommission,Xichang615000,China)Abstract:TheconcreteaggregatesfortheconstructionofJinpingIHydropowerStationaremainlyconveyedby6beltconveyors.induding4commononesand2tubularbeltones.ThetubularbeltconveyerusedinJinpingprojectisthelargestinChinawithdiameterof500mmandstrengthof2500N/mm2ofthetubularbelt,andisappliedfirstlyinhydro2powerprojectconstructioninChina.Thesuccessorfailureofaggregateconveyerdependsontheperformanceandinstal2lationofthetubularbelts.Thispaperintroducesthedesignandinstallationofthetubularbeltconveyorsandthefeaturesoftubularbelts.InJune2009,thetubularbeltconveyorswereformallyputintooperation.Keywords:tubularbeltmahine;design;transversalstiffness;construction;JinpingIHydropowerStationDevelopmentmechanismandengineeringcontroltechnologyforsurroundingrockloosecircleofdeeplyembeddedlongtunnelZENGXin-huaXIEGuo-quan(ErtanHydropowerDevelopmentCompany,ltd,Chengdu610016,China)Abstract:TBManddrilling-blastingmethodsareappliedinthediversiontunnelsofJinpingHydropowerSta2tion.Thetunnelshavethefeaturesofdeeplyembedded,longdistanceandlargediameteretc.,andtheconstructionsiteiscomplicatedingeology,sothetreatmentforpoorgeologyintheconstructionisimportant.Onthebasisofdeepre2searchongenesisanddevelopmentmechanismofundergroundcavitiesloosecircleofdeeplyembedded,longandlargetunnel,thereinforcementandcontroltechnologyforsurroundingrockmassisputforwardtoguaranteetheirstability.Itisexpectedthatthetechnologycanbringaboutsafeandfastconstructionorprovidereferenceforsimilarprojectconstruc2tion.Keywords:deeplyembeddedlongandlargetunnel;drilling-blastingmethod;TBM;loosecircle;mechanisma2nalysis;controltechnology