浅谈边中跨重量不平衡连续箱梁悬浇施工

根据忻州至阜平高速公路忻州—长城岭段路基、桥涵、隧道工程第十合同段2#大桥连续箱梁的施工,结合原有对称悬浇连续箱梁施工的方法,对中跨较边跨长、中跨节段较边跨节段重量大等特殊结构的连续梁施工法进行较为详细的介绍。为中跨带横隔板、边跨现浇段支架与悬浇相结合、边跨支座后安装等连续梁施工提供了参考。

Suspended Casting of Continuous Box Beams with Imbalance between Side and Central Spans

The paper, based on the constructiou of the continuous box beams of No. two bridge of the tenth contract section of Xin-fu Expressway, considering the original symmetric： suspended casting, introduces in detail the construction of continuous beams with spe- cial structures with central spans longer and heavier than side spans, which may provide some references for the construction of continuous beams with cross-beh central spans, combination of suspended casting and cast-in-place supports of side spans and later installation of side span cross-bearings.