摘要
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 text detailedly introduced crown block, running system, availability work period of bridge girder erection equipment and improve case for precast beams install.
出处
《黑龙江交通科技》
2002年第12期53-58,共2页
Communications Science and Technology Heilongjiang
关键词
桥梁施工
架桥机
预制梁安装
bridge construct
bridge girder erection equipment
precast beam install
