Kesme donatısız betonarme narin kirişlerin kesme dayanımının yapay sinir ağları kullanılarak tahmini

Year 2017, Volume: 23 Issue: 3, 193 - 202, 30.06.2017

Rıza Secer Orkun Keskin

Abstract

Yönetmelikler,
betonarme kirişlerin kesmeden kırılmasını gevrek bir kırılma olduğu için
önlemeyi amaçlar. Bir betonarme kirişin tasarımı için kesme dayanımının doğru
tahmini önemlidir. Betonarme kirişlerin kesme dayanımını tahmin etmek için
çeşitli denklemler mevcuttur. Artan hesaplama gücü sayesinde, bu denklemlerin
yapabileceğinden daha doğru tahminler verecek nümerik modeller geliştirmek
mümkündür. Bu makalede, kesme donatısız betonarme narin kirişlerin kesme
dayanımını tahmin etmek için geliştirilmiş bir yapay sinir ağ modeli
sunulmuştur. Modelin, beş tane yönetmelik denklemiyle ve farklı araştırmacılar
tarafından önerilmiş 14 denklemle karşılaştırmaları verilmiştir. Model, bu
çalışmada kullanılan kirişlerin kesme dayanımını tahmin etmekte ele alınan
denklemlerden daha iyi performans sergilemiştir. Geliştirilen model
kullanılarak çeşitli parametrelerin kesme donatısız betonarme narin kirişlerin
kesme dayanımı üzerindeki etkilerini incelemek için yapılan bir parametrik
çalışma da sunulmuştur. Bu parametrik çalışma sonucunda, kesme donatısız
betonarme narin kirişlerin kesme dayanımı üzerinde önemli bir boyut etkisi
gözlemlenmiştir.

Keywords

Yapay sinir ağı, Betonarme, Kiriş, Kesme Dayanımı

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