三峡工程双线五级船闸设计

《三峡工程双线五级船闸设计》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、Thedesignofdouble-linefive·stepship-lockofThreeGorgesProjecNiuXinqiang，TongDi，SongWeibang(ChangjiangInstituteofSurvey，Planning，DesignandResearch，ChangjiangWaterResourcesCommission，Wuhan430010，China)Abstract：Thegeneraldesignandlayoutofthedouble—linefive—stepship—lock．thewa

2、terdeliverytechniqueforhighheadship—lock，thekeytechnicalproblemsoffullylinedship—lockandthemonitoringtechniquesforlarge—scalemitergatesandhoistingequipmentundercomplicatedoperationconditionsofThreeGorgesProject(TGP)areintroduced．Sincetheoperationofship—lockin2003，theopera

3、tionpracticehasprovedthatthedesigntechniquesareadvanced，ra·tionalandreliable．Thedesignandconstructionofthefullylinedship—lockpromotesthedevelopmentofdesigntheoryandpracticeofship—lockprojects，whichmakestheconstructiontechnologyofship·lockintheworldreachanewleve1．Keywords：

4、ThreeGorgesProject；double—linefive-step；designofship—lock1IntroductionTheYangtzeRiveristhelargestfiverinChina．Accordingtonavigationplan，YangtzeRiverisaClass—Inavigationchannel，andopenstothenavigationinanordinaryyear．withitsannualtrafficvolumeabout80％oftotalinlandrivertraf

5、ficvolumeinChina．BeforeThreeGorgesProject(TGP)isbuilt，about660kmlongriverchannelfromYichangtoChongqinginup—perYangtzeRiverisfu11ofrapidsandshoalswithacomplicatedwaterflowcondition．Inthischannel，onlya3O00tfleetconsistingof800～1000tbargescancrossatthemost，andannualone—wayth

6、roughputeapaci—ty．forthischannelisonlyabout10milliont．AfterTGPiscompleted，navigationconditioninupperchannelofreservoirreonhasbeenultimatelyimproved，anda10000DWTfleetcancrossfromthelowerreachnonstopthroughJiulongpoPortinapproximatelyhalfthetimeofeveryyear．Throughtheflowreg

7、ulationofthishydrauliccomplex，navigationconditioninnavigationchanneldownstreamofthedamduringlow—waterseasonhasbeenmarkedlyimproved，andannualode·waythroughputcapacityofupperandmiddleYangtzeRivercanbeincreasedupto50milliont．ThekeystructureofThreeGorgesship—lockisClass-1with

8、adesigntotalheadof113m．amaximumnavigationdischargeof56700m／s，andhasanannualone—wayplannedcargoto