近日 ,在位于大连大窑湾港海面上 ,一艘起重 90 0t的巨型海吊船 ,将长 10 8m、重达 5 0 0t的钢管拱梁 ,稳稳地放在桥墩上。至此 ,由中铁十三局集团一公司承建的大连大窑湾港 3 0万t原油码头钢栈桥第一跨钢管拱梁一次吊装成功。这在海上吊装如此大吨位的钢管拱梁在国内实属罕见 Recently, on the sea surface of Dayaowan Harbor in Dalian, a huge 90-ton crane carrying a 10-ton, 500-ton pipe arch was steadily placed on the piers. At this point, by the China Railway 13th Bureau Group, a company construction Dayaowan Port in Dalian 300,000 t crude oil pier steel trestle first cross-steel pipe arch a successful lifting. It is rare in the country to hoist such large tonnage steel pipe arches at sea