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Effect on Maintenance of Vertical Profile of Stream for Triangle-Type Labyrinth Weir  

Lee, Seung-Oh (홍익대학교 토목공학과)
Kim, Young-Ho (홍익대학교 토목공학과)
Im, Jang-Hyuk (현대건설(주) 기술/품질개발원)
Publication Information
Journal of the Korean Society of Hazard Mitigation / v.9, no.3, 2009 , pp. 107-115 More about this Journal
Abstract
The labyrinth weir can be applied to increase the overflow rate, maintain constant water depth and improve water quality. This weir can be defined that the plane shape of overflow part is not straight line and is a kind of weir having overflow length increased by changing its plane shape. There are relatively few studies related to effect of maintaining the water depth which has been used to consider for various functions as hydraulic facilities and design conditions of labyrinth weirs. Thus, it is needed to conduct studies related to the maintenance of water depth by the labyrinth weir. This study was to provide fundamental data which may become a facilitator for more accurate and proper design of hydraulic facilities related to the maintenance of water depth. The ranges of constant water depth ($H_t/P=0.08\sim0.27$) were provided for the triangle type labyrinth weir, and the effect of maintaining water depth was analyzed using hydraulic laboratory experiments and 3D-numerical simulations(Flow-3D).
Keywords
Maintenance of water depth; Labyrinth weir; Hydraulic laboratory experiment; Flow-3D;
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Times Cited By KSCI : 1  (Citation Analysis)
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