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Bu çalışmada düşük ve orta yükseklikteki mevcut betonarme binaların doğrusal elastik ve doğrusal elastik olmayan zaman tanım alanında analizlerinden elde edilen sismik talepleri karşılaştırılmıştır. 3-, 6- ve 9- katlı binaların her iki asal doğrultusu dikkate alınarak 12 adet deprem kaydıyla toplam 144 adet analiz gerçekleştirilmiştir. Analiz sonuçlarına göre binaların taban kesme kuvveti, tepe noktası ötelenme ve maksimum göreli kat ötelenme oranı gibi parametreleri kıyaslanmıştır. 3-katlı binalara ait ortalama taban kesme kuvveti oranı 6- ve 9- katlı binalara göre sırasıyla doğrusal analizde 1.19 ve 1.24, doğrusal olmayan analizde ise 1.61 ve 2.88 kat fazla elde edilmiştir. Tepe noktası ve göreli kat ötelenmelerinin ortalamalarına bakıldığında, 9-katlı binaların deplasman taleplerinin 3- ve 6-katlılara oranla daha yüksek olduğu görülmüştür. Doğrusal analizde taban kesme kuvveti talepleri fazla doğrusal olmayan analizde ise tepe noktası ve göreli kat deplasman talepleri yüksek hesaplanmıştır.
This study compared the seismic demands obtained from analyses in the field of linear elastic and non-linear elastic time definition of existing concrete buildings at low and medium height. With the original direction of both 3-, 6- and 9-storey buildings, a total of 144 analyses were carried out with 12 earthquakes recorded. According to the results of the analysis, parameters such as the base cutting force of the buildings are compared, the peak point crossing and the maximum proportional layer crossing rate. The average base cutting power ratio for three-storey buildings was 1.19 and 1.24 in linear analysis, respectively, and 1.61 and 2.88 times higher in non-linear analysis. When looking at the average of the hill points and the relative floors, the 9th floor buildings have been seen to have a higher shift demand than the 3rd and 6th floor buildings. In the vertical analysis, the base cutting force requirements are highly calculated, while in the non-linear analysis, the peak point and the relative layer shifting requirements are high.
Seismic demands obtained from linear and nonlinear time history analyzes of low and mid-rise existing reinforced concrete buildings were compared in this study. A total of 144 analyzes were performed with 12 earthquake records taking into consideration both principal directions of 3-, 6- and 9-storey buildings. The parameters such as base shear force, roof drift and maximum interstory drift ratio of buildings were compared per the analysis results. The average base shear force ratio for 3-storey buildings was 1.19 and 1.24 in linear analysis and 1.61 and 2.88 times in nonlinear analysis higher than those of the 6- and 9-storey buildings, respectively. The average roof and interstory drift ratios show that the demands of 9-storey buildings are higher than values of 3- and 6-storey buildings. In linear analysis, the base shear force demands are calculated high whereas the roof and interstory displacement demands are computed high in nonlinear analysis.
Alan : Fen Bilimleri ve Matematik; Mühendislik
Dergi Türü : Uluslararası
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