Local scour on the head of a spur dike is disadvantageous to the structures.

丁坝坝头的局部冲刷对丁坝的整治效果产生不利影响.

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The mechanism of the effect on protecting dykes and flats in tidal estuary is analyzed.

本文通过现场观测,分析了桩式丁坝的护滩保塘效果,探究丁坝护滩保塘的机理.

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This paper develops a new method for numerical simulation on spur dike circumfluence.

本文方法较通常紊流模型及原参数解简便,为丁坝绕流数值模拟的一条新途径.

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There are horse shoe vortex around spur dikes and Karman vortices behind spur dikes.

发现在丁坝的上游会形成马蹄涡,在丁坝的背风面会形成卡门涡.

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Meanwhile, the relationships between bore pressure and bore height , groin response and bore height are researched.

同时通过研究丁坝的位移和内力响应结果随涌潮高度的变化情况,得出了不同涌潮高度下丁坝响应的规律.

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