Grey Wolf Optimization–Aided Cost-Minimization Technique of Reinforced Concrete T-Beam at Ultimate Load
Publication: Practice Periodical on Structural Design and Construction
Volume 28, Issue 3
Abstract
Minimizing construction cost while simultaneously meeting structural requirements has been an important topic. This study addresses the application of grey wolf optimization (GWO) to the cost minimization of T-beams subjected to ultimate loading. Both the objective and constraints functions take the self-weight of T-beams into account. Due to their section modulus, T-beams have a high ultimate bending moment capacity, especially over long spans. The objective function has been split into three subobjectives: concrete, steel, and formwork costs. Standard design constraints were followed. The constraint functions include the nonlinear behavior of concrete and steel. Ten T-beams of varied lengths were evaluated, and corresponding low-cost design solutions were provided. The relationship between the length of the T-beam and the efficiency of GWO was demonstrated. Comparisons between optimal solutions attained and standard design solution demonstrated conclusively that the proposed method typically results in large reductions in the quantity of building materials needed. This method can be easily adaptable to various types of RC frame construction and other building codes.
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Data Availability Statement
All data generated or used during the study appear in the submitted article. MATLAB codes that support the findings of this study are available from the corresponding author upon reasonable request.
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Information & Authors
Information
Published In
Practice Periodical on Structural Design and Construction
Volume 28 • Issue 3 • August 2023
Copyright
© 2023 American Society of Civil Engineers.
History
Received: Jan 4, 2023
Accepted: Apr 5, 2023
Published online: May 31, 2023
Published in print: Aug 1, 2023
Discussion open until: Oct 31, 2023
ASCE Technical Topics:
- Beams
- Benefit cost ratios
- Business management
- Concrete
- Construction costs
- Construction engineering
- Construction management
- Construction methods
- Design (by type)
- Engineering fundamentals
- Engineering materials (by type)
- Engineering mechanics
- Financial management
- Load factors
- Materials engineering
- Practice and Profession
- Project management
- Reinforced concrete
- Standards and codes
- Static loads
- Statics (mechanics)
- Structural design
- Structural engineering
- Structural members
- Structural systems
- Ultimate loads
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