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通过乐清湾2号桥现场施工,结合以往类似工程施工经验,围绕乐清湾2号桥主塔承台大体积防撞钢套箱兼围堰施工全过程,针对防撞钢套箱自重大、拼装及下放精度要求高、施工安全风险大等特点,主要介绍了大体积防撞钢套箱拼装、整体下放施工重难点工序的技术革新要点及重难点控制措施,为类似工程提供有力参考,达到了施工质量、安全、成本等多方面共赢。
Through the on-site construction of Yueqing Bay Bridge No. 2, combined with the construction experience of similar projects in the past, around the whole process of construction of large volume crashworthy steel box and cofferdam of Yueqing Bay No. 2 Bridge Tower, The requirements of decentralized precision and the risk of construction safety are large. The main technical innovation points and heavy and difficult control measures are introduced mainly for the assembling of large-volume crashworthy steel box, the whole process of laying down the heavy and difficult points, providing a powerful reference for similar projects and achieving the construction Quality, safety, cost and many other aspects of win-win situation.