丹江口大坝加高工程施工将对工程度汛带来较大影响，包括新老混凝土施工、施工机械安装布置、施工交通运输以及金结机电设备运行等对施工度汛的影响。根据工程特点并结合现场实际情况，采用了多跨全钢结构栈桥度汛方案。详细介绍了2006~2013年安全度汛方案，包括施工要求和闸门启闭设备的工作情况。经过实际运行和监测，施工度汛栈桥工作性能良好，各指标均在设计控制范围内；保证了施工工期，确保了工程安全度汛。%The construction of Danjiangkou heightening works brought large impacts on the flood-passing of the project, such as the impacts from construction of old and new concrete, the layout and installation of machines, traffic and transportation and the operation of metallic structures, mechanical and electrical equipments. According to the characteristics of the projects and the practical situation in site, the scheme of multi-span all-steel structure trestle is adopted. The flood-passing schemes from 2006 to 2013 are introduced, including the construction requirements and the gate hoisting condition. Through practical operation and monitoring, the working performance of the trestle was satisfying and the indexes met the design standard. The construction schedule and flood-passing safety were ensured.
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