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蚌埠淮河大桥北岸引桥为31.7m预应力钢筋混凝土梁,共11孔。其中:4号墩至1号墩共3孔,在淮河大堤外;1号墩至0号墩1孔,跨越河堤;0号墩至07号台共7孔,在堤内。因北岸无施工便线,且两岸桥头线路尚未完工,故预应力钢筋混凝土梁只能从南岸便线运到工地,由南岸提升站将其吊装在位于南岸引桥上的两台65t铁路平车上,用牵引车通过正桥运往北岸,然后北岸再以两台龙门吊机架设。采用此方案,有几个问题应予考虑:(一)架设步骤怎样才能简便?(二)与钢梁相邻的4
Bengbu Huaihe Bridge North Shore Approach Bridge is 31.7m prestressed reinforced concrete beams, a total of 11 holes. Among them: No. 4 Pier to No. 1 pier a total of 3 holes outside the Huaihe River embankment; Pier No. 1 to No. 1 Pier 1 hole across the embankment; Pier No. 0 to 07, a total of 7 holes in the embankment. Because there is no construction on the north shore and the cross-strait bridge line has not been completed, the prestressed reinforced concrete beam can only be transported from the South Coast Line to the site by the South Bank Hoisting Station and hoisted on two 65t railway vehicles on the south bank approach bridge , With the tractor through the main bridge to the north shore, and then set up two gantry cranes on the north shore. With this program, there are several issues that should be considered: (i) how easy it is to set up the steps? (Ii) 4