1) Large Gantry Crane
大型龙门吊
2) Type "O" gantry crane
"O"型龙门吊
3) jumbo ramp
大型吊门道
4) hook gantry
吊钩龙门吊
5) gantry crane
龙门吊
1.
Application of homemade gantry crane with high-low legs in the construction of great-span bridges;
自制高低腿龙门吊在大跨度桥梁施工中的应用
2.
Design and checking calculation method to gantry crane foundation of a beam prefabricate plant;
某梁体预制厂龙门吊基础设计与验算
3.
The article discusses a practical and economic construction method to lay down the flow pipe with a special de- signed hanger and the gantry crane at the bottom of the cloaca,when the construction working face is too limited to use the crane to lay down the large-diameter pipes directly during laying down the construction.
文章论述了进行大口径供水管道下沟施工时,当施工工作面狭窄而不能采用吊机直接下管时,采用特别设计的吊架配合沟底龙门吊下管是一种比较经济适用的施工方法。
6) portal jib crane
龙门桁吊
1.
The design of beam and plate precast field portal jib crane
梁板预制场龙门桁吊设计
2.
Combined with the project general situation,it introduces the whole setting of portal jib crane,represents the construction process and methods of using portal jib crane batch by batch,consolidation large-tonnage steel box girder,steel girder spanning by using drag put up girder,so to increase the construction progress and construction quality.
结合工程概况,对龙门桁吊的总体布置情况进行了介绍,阐述了利用龙门吊分节段吊装、拼装大吨位钢箱梁,用拖拉架梁进行钢梁架设的施工步骤与方法,从而提高了施工进度和施工质量。
补充资料：大型
1.形状或规模大的。
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