Farklı Güçlendirme Yöntemleri Kullanılarak 1/5 Ölçekli Betonarme Çerçevelerde Kısa Kolon Davranışlarının İncelenmesi

Yıl 2019, Cilt: 9 Sayı: 1, 433 - 445, 01.03.2019

Fatih Süleyman Balık Fatih Bahadır

https://doi.org/10.21597/jist.444766

Cited By: 1

Öz

Bu deneysel çalışmadaki amaç, iki güçlendirme
methodunda pencere boşluğunun kısa kolon davranışına etkilerini araştırmaktır.
Bu çalışmada, iki katlı, 1/5 ölçekli ve tek açıklıklı yedi betonarme çerçeve
üretilmiştir. Numuneler, Türkiye'de konut binalarında yaygın olarak görülen
çeşitli eksiklikleri içermektedir.  Bu
numuneler, sabit düşey yük ve yatay yükleme altında test edilmiştir. Birinci
numune referans boş çerçeve olarak üretilmiştir. İkinci ve üçüncü numuneler gaz
beton bloklu dolgu duvarlı olarak üretilmiştir. Dördüncü ve beşinci numuneler
betonarme dolgu duvarları ile güçlendirilmiştir. Altıncı ve yedinci numuneler
ise dıştan betonarme duvarlı ve betonarme kolon mantolu olarak
güçlendirilmiştir. Tüm numunelerin duvarları, kısa kolon davranışının etkilerini
araştırmak için iki farklı pencere boşluğu ile üretilmiştir. Test sonuçları
göstermiştir ki, uygulanan güçlendirme yöntemleri, betonarme çerçevenin, yatay
yük taşıma kapasitesini, enerji tüketme kapasitesini ve başlangıç rijitliğini
önemli derecede artırmıştır. Betonarme kolon mantosu sayesinde dıştan betonarme
duvarlı numunelerde kısa kolon davranışı önlenmiştir.

Anahtar Kelimeler

Betonarme çerçeveler, tersinir tekrarlanır yatay yükleme, güçlendirme, pencere açıklıkları, pencere açıklıkları

Investigation of Short Column Behaviors at 1/5 Scaled Reinforced Concrete Frames Using Different Strengthening Methods

Öz

The
purpose of in this experimental study is to investigate the effects of short
column behavior due to window opening at two strengthening methods. At this
study, seven reinforced concrete frames as two stories, 1/5 scaled and one bay
were produced. The specimens contained several deficiencies that were commonly
observed in residential buildings in Turkey. These specimens were tested under
lateral loading and constant vertical loading. First specimen was produced as
the reference bare frame. Second and third specimens were produced with infill
autoclaved aerated concrete blocks wall. Fourth and fifth specimens were
strengthened with infill RC shear wall. Sixth and seventh specimens were
strengthened with external RC shear wall and RC column jackets. The walls of
all specimens were manufactured with two different windows opening to
investigate the effects of short column behavior. The test results showed that
these applied strengthening methods have significantly increased the lateral
load carrying and energy dissipation capacities, initial stiffness of the RC
frame. Thanks to RC column jackets, at specimens with the external RC shear
wall was prevented to the short column behavior.

Anahtar Kelimeler

RC frames, reversed cyclic lateral loading, strengthening, window openings, window openings

Kaynakça

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