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ID:52451754
大小:8.01 MB
页数:36页
时间:2020-04-07
《桥梁施工方案(英文)4- Launching Method.ppt》由会员上传分享,免费在线阅读,更多相关内容在PPT专区-天天文库。
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:MAINTRUSSESGANTRYCRANELAUNCHINGSUPPORTLAUNCHINGWAGONTENSIONBARSSEGMENTSUSPENSIONBEAMSREAR&FRONTTRUSSNOSESMAXWT:OverheadLG-atypicalconstructioncycleTh
7、eerectionofthespanstartsfromoneend,startingwiththefirstsegmentasaguidelinefortheremainingsegments.TheSTRUKTURASgantrydoesnotrequire“pre-loading”ofsegmentsbeforeerection.Thesegmentsaretransportedtothesiteformayard,andareliftedinplacebytheGantryCrane.Theerectionofthespanstart
8、sfromoneend,startingwiththefirstsegmentasaguidelinefortheremainingsegments.TheSTRU
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