梁合拢段施工技术(二)

3)桥面拖运用5吨慢速卷扬机做动力,6/8″钢丝绳、走口(2只六门葫芦对穿钢丝绳)作牵引,7.5厘米无缝钢管做走管,在道木(16×22×250cm)上缓慢移动至要求位置。 2、吊梁吊装就位 1)2榀40米长(?)型弦杆万能杆件承重梁的结构型式及其拼装见图7。

Beam closing section construction technology (2)

3) The bridge floor is towed with 5 tons of slow winch as power,6/8 "steel wire rope and outlet (2 six-door hoists to wear the steel wire rope) as traction, 7.5cm seamless steel pipe as pipe, and slowly move to the required position on the road (16×22×250cm). 2, lifting beam in place 1)2 pieces of 40 meters long (?) The structural type and assembly of the load-bearing beam of the A-chord universal member are shown in Figure 7.