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APPLICATION OF POROUS ('LEAKY') ROCK TERMINAL STRUCTURES

机译:多孔(“渗漏”)岩石终端结构的应用

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摘要

A major structural stabilization project was constructed in 2004 at the southerly terminus of Amelia Island, a 15.2 km long coastal barrier located in northeast Florida. The goal of the project was to reduce end losses from a 5.6 km updrift beach restoration project without adversely affecting the sediment transport required to maintain the downdrift, inlet-facing shoreline. The constructed project consists of a 465-m long "leaky" terminal groin and a 93-m long detached breakwater, both built of rock. The groin is purposefully low and porous to allow passage of some littoral drift, and the breakwater is designed to augment beach stability at a shoreline "hinge point" updrift of the groin. Through August 2006, the project has met or exceeded the performance objectives.
机译:2004年在阿米莉亚岛(Amelia Island)的南端建造了一个重​​要的结构稳定项目,阿米莉亚岛是位于佛罗里达州东北部的15.2公里长的沿海屏障。该项目的目标是减少5.6公里的漂流海滩修复项目的最终损失,而不会不利地影响维持向下漂流,面向入口的海岸线所需的泥沙输送。建造的项目包括一个465米长的“漏水”终端腹股沟和一个93米长的独立防波堤,均由岩石建造。腹股沟的目的是低而多孔,以允许一些沿海漂移通过,防波堤的设计可提高腹股沟海岸线“铰接点”向上漂移处的海滩稳定性。到2006年8月,该项目已达到或超过了绩效目标。

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