Determination of Opening Level, Spillway Gate Dimensions and its Control using Linearization of the Outgoing Discharge Equations and the Water Level of the Dam Reservoir

Document Type : Research Paper


1 professor, PhD, Faculty of Civil Engineering, University of Tabriz, Iran.

2 PhD Candidate, MSC, Faculty of Civil Engineering, University of Tabriz, Iran


Spillway gates are used to increase water depths on power generating turbines, regulate the flow passing the spillway and augment the safety of the dam and its installations during flooding.Inappropriate performance, inaccuracy in determining the proper dimensions and sudden opening of the spillway gate(s) causes vibration, overtopping, instability in the dam, and also damages to the dam's body, its installations and even downstream areas. Regarding the rainfall reduction, adjusting reservoir level, increasing water pressure on power generating turbines and proper use of water inside the reservoir, determining the accurate dimensions of the gate and making smart spillway gate(s)  are required. Using the technique of linearizing the equations of discharge passing spillway and water level inside the reservoir and the point of equilibrium of the incoming and outgoing discharge hydrograph, the dimensions of the spillway gate are carefully designed and constructed in accordance with the environmental conditions and its installation site. By smarting the spillway gate and determining its precise dimensions, it will be possible to control floods remotely, manage water consumption, save manpower and reduce visual error.


Main Subjects

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Volume 42, Issue 1
March 2019
Pages 189-200
  • Receive Date: 29 June 2017
  • Revise Date: 08 September 2017
  • Accept Date: 11 September 2017
  • Publish Date: 21 March 2019