4-10-3钢桁梁纵移、横移、就位

1)千斤顶起钢梁;2)在滑道间安设滚轴;3)用千斤将梁横向顺道移动;4)安置绞车并牵梁顺道纵移;5)校正、检查、串钢丝绳、分段拖完将钢梁刹紧或托起;6)校正钢梁中线位置、千斤顶起钢梁、落梁就位




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