摘要
为了研究不同结构对水流动力和河道形态的影响规律,文章通过室内试验和数值模拟对水流形态和河床变形规律进行了分析,研究了不透水丁坝和透水排桩(分为全透水和半透水排桩)三种类型的结构对流场和河床变形的影响。由于半透水排桩的特殊构造,流经该结构的水流不能形成循环流,从而降低了河岸附近的侵蚀强度,半透水排桩作为一种有效的河道整治方法,可以替代传统的丁坝结构。
The flow pattern and riverbed deformation law are analyzed through laboratory tests and numerical simulation in the paper in order to study the influence law of different structures on flow dynamics and river morphology. The influence of three structures of impermeable spur dike and permeable pile(divided into full permeable pile and semi-permeable pile) on flow field and riverbed deformation is studied. The water flowing through the structure cannot form a circulation flow due to the special structure of the semi-permeable drainage pile, which reduces the erosion intensity near the bank. As an effective method of river regulation, the semi-permeable drainage pile can replace the traditional spur dike structure.
作者
刘恒博
LIU Hengbo(Tarim River Basin Mainstream Administration of Xinjiang Uygur Autonomous Region,Korla 841000,China)
出处
《中国水能及电气化》
2022年第10期36-43,共8页
China Water Power & Electrification
关键词
透水排桩
不透水丁坝
流型
非淹没状态
permeable drainage pile
impermeable spur dike
flow pattern
non-submerged condition
