The paper discussed proportion between side span and middle span in three spans prestressed continuous box beam bridge.
本文对三跨预应力连续箱梁桥的边跨与中跨比例问题进行了初步的探讨。
Uncertain factors in construction of continuous girder bridge such as side span joint scheme and different balanced cantilever construction speed are analyzed.
对施工中的不确定因素，诸如边跨合拢方案和不同桥墩悬浇进度不一致等进行了分析比较。
Through observing the experimental bridge, which is designed by combined rigid structure in side span, the expected design effect has been obtained.
通过实桥试验使用，并经长期观测，完全达到预期设计的效果。
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