大跨度预应力混凝土斜张桥的合龙是关系大桥质量的重要环节,国内、外设计与施工单位均作为一个关键问题来考虑。济南黄河公路大桥的主桥是40+94+220+94+40米的五跨连续梁预应力泥凝土斜张桥,有两个边跨合龙和一个中跨合龙(见图),怎样使合龙中不出现裂缝或压坏混凝土,切实保证大桥的质量,我们曾作了比较详细的分析 The span of long span prestressed concrete diagonal bridge is an important link that relates to the quality of the bridge. Domestic and foreign design and construction units all consider it as a key issue. The main bridge of Jinan Yellow River Highway Bridge is 40 + 94 + 220 + 94 + 40 meters of five-span continuous prestressed concrete inclined slab bridge, there are two side-by-side closure and a mid-span closure (see photo), how to make Closure does not appear cracks or crushed concrete, and effectively ensure the quality of the bridge, we have made a more detailed analysis