丁坝（spur），是端与堤岸相接呈“T”字形的保护堤岸水土的建筑物。
丁坝布设对弯道水沙运动的影响 - 水利科技资讯 - 水资讯网 关键词: 丁坝; 弯道; 水沙运动 [gap=588]Key words: spur dike; bend; water-sediment movement
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柴捆丁坝 fascine groyne ; ffurthermorecine groyne ; fascine groin
丁坝坝头 head of groyne ; groyne head ; groin head
潜丁坝 submerged spur ; submerged groin ; Groin submerged ; Spur submerged
固体丁坝 solid groin ; Groin solid
低丁坝 lower groin
勾头丁坝 bend-ended spur dike
丁坝间距 groynespacing ; Groin spacing of ; separate distance
淹没丁坝 submerged spur dike
梨形丁坝 pear-ended spur dike
The stability of spur dike was discussed in detail with fuzzy mathematics.
采用模糊数学分析的方法,对丁坝稳定性进行了分析。
参考来源 - 长江中游航道丁坝稳定性及防护技术研究This paper studies on the law of the kinetic energy correction factor near a groyne by a flume experiment basing on one dimensional energy equation of steady flow.
本文从一维恒定流能量方程式出发,通过水槽实验,研究丁坝附近动能修正系数的变化规律。
参考来源 - 河道一维水力计算参数的研究The model is applied in simulating of local scour around an abutment and spur-dike. The computed scour holes are in good agreement with the experimental results.
模型应用于对桥台和丁坝的局部冲刷模拟,取得了与实测冲坑形态较一致的结果,分析表明竖轴漩涡对尾部冲坑形态有重要影响。
参考来源 - 局部绕流冲刷机理及数值模拟研究·2,447,543篇论文数据，部分数据来源于NoteExpress
在分析基础上，提出了漫水丁坝坝头床沙起冲流速的计算办法。
Then, the calculating method of initial scour velocity of bed sand around submerged spur dikes is suggested.
丁坝(群)附近的局部流场变化是引起丁坝局部冲刷的根本原因。
Local directional change of the flow field in the vicinity of spur dike would result in local scouring of spur dike.
实验研究包括单丁坝及双丁坝条件下丁坝影响区内流场及水面变化规律；
Experimental study includes the law of flow field variation and variation of water surface in affected zone by the single groyne or twin-groyne.
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