Geliştirilmiş Deplasman Katsayı Yöntemi (GDKY) Kullanarak Bazı Yapısal Parametreler ile Depremsel Hasar Arasındaki İlişkinin Araştırılması

Öz

Deprem hasarı ile yer hareketi büyüklüğü arasındaki bağıntıyı açıklamak için araştırmacılar güvenilir ve hızlı yöntemler aramaktadırlar. Hasarın nicelik olarak ifade edilmesi için, tamamıyla istatistiksel verilere dayanan hasar görebilirlik eğrileri geliştirilmiştir. Bu eğrilerin elde edilmesi sırasında, genellikle yapıların kat sayıları göz önüne alınarak sınıflandırılma yapıldığı bilinmektedir. Ancak, yapı kat sayıları ile hasar arasında herhangi bir bağıntı geliştirilmediğinden de anlaşılır ki, bahsi geçen yaklaşımın doğruluğu hala sorgulanmaya açıktır. Bu çalışmada da, sadece bu bağıntının olup olmadığı değil, hasar ile doğal titreşim periyodu, süneklik ve yanal rijitlik katsayısı arasında herhangi bir bağıntı olup olmadığı araştırılmıştır. Geliştirilmiş Deplasman Katsayıları Yöntemi (GDKY) kullanılarak yanal ötemeler hesaplanmış ve çatı katı ötelemesi ile öteleme oranı elde edilmiştir. Çalışma sonunda, hasar görebilirlik eğrilerinin, bahsi geçen yapısal parametrelerle ilişkili olduğu anlaşılmış ancak bu ilişkinin, kullanılan veri tabanına ve yapıların dağılıma bağlı olduğu belirtilmiştir. 

Anahtar Kelimeler

• Kat sayısı,doğal titreşim periyodu,yanal rijitlik katsayısı,süneklik,hasar görebilirlik

Investigation of the Relationship between the Various Structural Parameters and Performance Displacement by Using Improved Displacement Coefficient Method

Öz

The need to express the earthquake damage in terms of the exposed level of ground motion; pushed the researchers to find a reliable and quick-to-apply method. In an effort to quantify the damages, fragility curves are introduced which are based on statistical evaluation. In the derivation of the fragility curves for buildings, the number of story is used as the main grouping parameter. However, since there isn’t an explicit form of equation relating the number of stories to the damage, this common approach requires further investigation. In this study, not only the influence of the number of story on the damage but also the influence of the various parameters of the buildings, such as fundamental period, ductility ratio and lateral stiffness index are investigated. Improved Displacement Coefficient Method (IDCM) is used to obtain the lateral performance of the building in terms of roof displacements and global drift ratios. At the end of the study of the study, it is proven that fragility curves are sensitive to the mentioned parameters; however, it is very dependent on the compiled database. 

Anahtar Kelimeler

• Number of story,fundamental period,ductility,lateral stiffness index,fragility

Kaynakça

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