İki doğrultuda birleşik eğilme etkisindeki betonarme tekil temelin diferansiyel evrim algoritması kullanılarak optimum tasarımı

Öz

Bu çalışmada iki doğrultuda bileşik eğilme etkisindeki betonarme tekil temellerin Diferansiyel Evrim (DE) algoritması kullanılarak optimum tasarımı gerçekleştirilmiştir. Temel boyutları, donatı sayısı ve çapı kesikli karar değişkeni olarak geliştirilen yaklaşımda, beton ve çelik malzemelerinin minimum maliyeti hedeflenmiştir. Yedi farklı karar değişkenine ilave olarak TS-500 Standart gereklilikleri için on sekiz farklı kısıt fonksiyonu optimizasyon modeline dahil edilmiştir. Farklı eksenel yük oranları, eksantiriste ve zemin emniyet gerilme senaryoları oluşturularak birçok farklı tekil temel örneğinin optimum çözümleri sunulmuştur. DE tabanlı bir çözüm yaklaşımının, betonarme tekil temelin optimum tasarımında etkin bir şekilde kullanılabileceği görülmüştür.

Anahtar Kelimeler

• Betonarme tekil temel
• Optimizasyon
• Sezgisel algoritma
• Diferansiyel evrim algoritması

Optimum design of RC footing subject to axial load and bi-directional flexure using differential evolution algorithm

Abstract

In this study, the optimum design of the reinforced concrete (RC) footings subject to the axial load and bi-directional flexure was performed by using Differential Evolution (DE) algorithm. The minimum cost of concrete and steel materials was targeted in the developed approach as the decision variables of foundation dimensions, reinforcement numbers and diameters. In addition to seven different decision variables, eighteen different constraint functions are included in the optimization model for the TS-500 Standard requirements. Optimum solutions of many different reinforced concrete footing examples are presented by creating different axial load ratios, eccentricity and allowable bearing value of soil scenarios. It has been shown that a DE-based solution approach can be used effectively in the optimum design of a reinforced concrete footing.

Keywords

• Reinforced concrete footing
• Optimization
• Metaheuristic algorithm
• Differential evolution algorithm

Kaynakça

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