The Effect of Deflector Toe Block Geometry on the Scour Downstream of a Stepped Spillway. | ||||
| MEJ- Mansoura Engineering Journal | ||||
| Article 1, Volume 23, Issue 1, March 1998, Page 1-16 PDF (579.59 K) | ||||
| Document Type: Research Studies | ||||
| DOI: 10.21608/bfemu.2021.149588 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
| Mahmoud Mohamed Abd El-Aziz El-Gamal1; A. R. Zidan* 2; Mohamed Gamal Mohamed Abd Alla3; R. Baker4 | ||||
| 1Irrigation and Hydraulic ENGINEERING Department., Faculty of Engineering., El-Mansoura University., Mansoura., Egypt. | ||||
| 2Irrigation and Hydraulic Engineering Department., Faculty of Engineering., El-Mansoura University., Mansoura., eGYPT. | ||||
| 3Irrigation and Hydraulic Engineering Department., Faculty of Engineering., El-Mansoura University., Mansoura., Egypt. | ||||
| 4Civil and Environmental Engineering Department., Faculty of Engineering The University of Salford., England | ||||
| Abstract | ||||
| A series of experiments were performed downstream of a stepped spillway with a free hydraulic jump formed on a gravel bed apron. The experimental work was conducted in the hydraulic laboratory of the civil engineering dept., sal ford university, england. The effects of flow rate, tail water depth, difference in the water levels upstream and down stream of the spillway , and the block geometry were investigated to see how they influenced the maximum scour depth and the corresponding scour length . two empirical equations for scour depth and scour length were concluded. Dimensional analysis was used to obtain relationships between both the scour depth and scour depth and scour length, and related flow and toe block geometry variables, and relationships between the different variables are presented | ||||
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