Abstract
Egypt has a large irrigation network with a huge number of hydraulic structures that were constructed in the nineteenth and twentieth centuries and have an important economical and heritage value. Many of these hydraulic structures suffer from increasing traffic loads, adverse environmental conditions, and lack of maintenance leading to material deterioration and structural damage. Concerns regarding the safety and serviceability of these important structures necessitated structural assessment activities currently going on within a national project for safeguarding the old irrigation structures. This paper presents the condition assessment and structural analysis of a typical example of old hydraulic structures in Egypt. Al-Shaala head regulator is an 80-year-old masonry head regulator located on Al-Bohia Canal in the Nile Delta. Its current condition is studied including site investigation, identification of the building materials, determination of the actual deteriorated material properties, and estimation of the current loading conditions. A numerical study is performed to evaluate the structural behavior in order to assess its structural efficiency and safety margin and decide if strengthening is required. Numerical modeling using finite elements and nonlinear structural analysis is performed using commercial program under the applied and the worse expected loading cases. The obtained results regarding stresses, deformations, and cracking within the structure indicate overall stability and safety of the structure in its current condition. High stresses were shown to occur at certain locations in the wing walls.
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Hamdy, G.A., El-Salakawy, T.S., El-Mashad, ME., Elwan, R.M. (2021). Structural Analysis and Safety Assessment of a Historic Hydraulic Structure in Egypt. In: Mahgoub, Y., Cavalagli, N., Versaci, A., Bougdah, H., Serra-Permanyer, M. (eds) Cities' Identity Through Architecture and Arts. Advances in Science, Technology & Innovation. Springer, Cham. https://doi.org/10.1007/978-3-030-14869-0_1
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