box girder erection 架设箱梁
pier girder erection 墩梁式膺架
stiffened girder erection 加劲梁架设
bridge girder erection machine 架桥机
TJ168 bridge girder erection machine TJ168型架桥机
The text detailedly introduced crown block, running system, availability work period of bridge girder erection equipment and improve case for precast beams install.
详细介绍了对双导梁式架桥机天车、行走系统、有效工作长度及预制梁安装就位的改进情况。
The gait-model bridge girder erection machine mainly applied to the erection of long-span, large-tonnage and double amplitude bridge deck concrete full-span box girders.
本架桥机 主要应用于大跨度、大吨位、双幅桥梁架设中混凝土整孔箱梁的架设。
According to the structural characteristics and use of bridge girder erection machine, this paper analyzes risk factors, corresponding measures to be taken for preventing accident.
本文根据架桥机的结构特点和使用状况，分析引起危险因素的原因，提出预防事故发生要采取的安全措施和相应办法。
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