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升船机是三峡水利枢纽工程的主要通航建筑物之一。为保证船舶安全通过升船机上闸首,需在升船机上游设置浮式导航堤。本文详细论述了通过理论计算和模型试验进行的浮堤形状及尺度的研究结果,并提出了适合三峡水库波浪的具有良好消波性能的浮堤剖面尺度及形状。本文亦讨论了浮堤的连接结构形式,并通过模型试验提出了连接结构主要设计参数的建议。
Ship lift is one of the major navigable structures of the Three Gorges Project. In order to ensure the safety of the ship through the lift gate, it is necessary to set up a floating navigation embankment at the upstream of the ship lift. In this paper, the results of the study on the shape and size of the dike embankment by theoretical calculations and model tests are discussed in detail. The scale and shape of the dike structure with good anti-wave performance suitable for the wave of the Three Gorges Reservoir are proposed. The paper also discusses the connection structure of the dike, and proposes the main design parameters of the connection structure through the model test.