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Optimum Design of Control Devices for Safe Seepage under Hydraulic Structures | ||
| Journal of Engineering and Sustainable Development | ||
| Article 1, Volume 10, Issue 1, 2006, Pages 66-87 | ||
| Authors | ||
| Waked H. AL-Musawi; Dr. Abdul-Hassan K. Shukur; Dr. Abdulhadi A. Al-Delewy | ||
| Abstract | ||
| The research aimed at determining the optimal control device in order to decrease seepage under hydraulic structures. The finite-element method is used to analyze seepage through porous media below hydraulic structures with blanket, cut-off, or filter trench as seepage control devices. The effect of length and location of the control devices is investigated.The formulated optimization model is applied to a hypothetical case study. The optimization problem is solved by the Lagrange-multiplier method to find the minimum costs of control devices with safe exit gradient and uplift pressure.For a hydraulic structure with different control devices, the minimum total cost has been achieved when using a filter trench, while the maximum total cost was when a downstream cut-off is used. | ||
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