Optimization of Prestressed Concrete AASHTO Solid and Voided Slab Beams using a Modified Harmony Search Algorithm
| Author | ALBAHARNA, ALAA ZUHAIR A. REDHA MOHAMED MAKI | |
|---|---|---|
| metadata.dc.contributor.department | University of Bahrain, College of Engineering, Department of Civil Engineering | |
| metadata.dc.date.accessioned | 2026-09-20T15:49:20Z | |
| Publication date | 2025 | |
| Degree level | Master | |
| Abstract | Abstract: This study examines the overall cost optimization of simply supported bridges with prestressed solid and voided slab beams. The goal of this research is to identify the ideal SI friendly and cost-efficient cross-sectional characteristics of prestressed solid and voided slab beams such as width and height beams as well as dimensions of voids. Design variables include the span length, total bridge width, the area of the prestressed steel, and the dimensions of the solid & voided slab beams' cross sections. AASHTO Standard Specifications for Highway Bridges (2020) are followed in the design of the prestressed solid and voided slab beams. To obtain the most cost-efficient dimensions of the considered beams, a Modified adaptive Harmony search algorithm (MARSHAL) is applied. Geometric constraints, working stress, and ultimate strength are taken into account. The bridge's total cost is used as the optimality criterion. Numerical examples from the application are designed and an optimal design computer program is coded. In addition, multiple design charts are formulated based on the optimum sections obtained with respect to the corresponding bridge span length. It is concluded that the total cost optimization of prestressed concrete bridges with solid and voided slab beams can be successfully achieved by utilizing the The modified adaptive Harmony search algorithm with cost reduction ranging from (12-21) % compared to AASHTO standard products. | |
| metadata.dc.identifier.other | Drupal node 3896 | |
| metadata.dc.identifier.other | https://digitalrepository.uob.edu.bh/en/dar/optimization-prestressed-concrete-aashto-solid-and-voided-slab-beams-using-modified-harmony | |
| metadata.dc.identifier.uri | http://165.227.56.122/handle/123456789/6866 | |
| Language | en | |
| Link | https://digitalrepository.uob.edu.bh/en/_flysystem/fedora/2025-07/00946_optimization_of_prestressed_concrete_aashto_solid_and_voided_slab_beams_using_a_modified_harmony_search_algorithm.pdf | |
| Title | Optimization of Prestressed Concrete AASHTO Solid and Voided Slab Beams using a Modified Harmony Search Algorithm | |
| Type | Master's Thesis | |
| College | College of Engineering | |
| Department | Civil Engineering |
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