桥梁施工方案(英文)4- Launching Method.ppt

桥梁施工方案(英文)4- Launching Method.ppt

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时间:2020-04-07

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1、LG-LaunchingGantriesSpanlength:20–100+mUsualLength:Minimum600-800segmentsUsualcycletime/span1-2days/spanLAUNCHINGGANTRYAfterSTRUKTURASenteredthesegmentalmarket,expressionslike“glue-as-you-go”and“turnaround”havebeenwellrecognizedworld-wideascost×avingsolutionsforerectin

2、gsegmentalbridges.Design&experiencethroughvariousprojectshaveledtodevelopmentofsophisticatedequipmentcapableofmeetingthemostchallengingsegmentalbridgedesignstodate.Solutionstocomplexgeometryandspacerestrictionsenablebothdesignersandcontractorsincreasedflexibilityintheirdesi

3、gnandconstruction.Theseincludeerectingseveralparallelspansonvaryingverticalelevationandhorizontalradiusdownto75m.SegmentalGantries–OverheadandUnderslungGantriesforSegmentalbridgesForotherchallengingsegmentalprojectscontractorshavechosenthespecialHingedUnderslungGantry.Someo

4、ftheGantriessuppliedhaveupto6hingesandarecapableoferectingsimplysupportedspansupto30–60+mandhorizontalradiidownto75m!!SegmentalGantries–HingedGantriesOurstrongtechnicalsupportteamcanofferservicesatvariouslevels:SegmentalGantries–OverheadandUnderslungGantriesforSegmentalBrid

5、gesServicesForcastin-situconcretebridgesandprecastsegmentalconstruction.Completeorpartialdelivery -design,know-how&constructionengineering -steelstructure -hydraulicequipment -launchingequipment -specialequipmentConsultancy&Supervision -experiencedsupervisionandconsultation

6、duringfabrication,assembly&operation -design,know-how&constructionengineering -feasibilitystudiesOverheadLG-ComponentsMAXWT:MAINTRUSSESGANTRYCRANELAUNCHINGSUPPORTLAUNCHING WAGONTENSIONBARSSEGMENTSUSPENSIONBEAMSREAR&FRONTTRUSSNOSESMAXWT:OverheadLG-atypicalconstructioncycleTh

7、eerectionofthespanstartsfromoneend,startingwiththefirstsegmentasaguidelinefortheremainingsegments.TheSTRUKTURASgantrydoesnotrequire“pre-loading”ofsegmentsbeforeerection.Thesegmentsaretransportedtothesiteformayard,andareliftedinplacebytheGantryCrane.Theerectionofthespanstart

8、sfromoneend,startingwiththefirstsegmentasaguidelinefortheremainingsegments.TheSTRU

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