Investigation of the Damages Due to Heavy Earthen Roofs on Masonry Buildings during the Kahramanmaraş Earthquakes

Year 2023, Volume: 11 Issue: 2, 45 - 54, 31.12.2023

Ercan Işık , Fatih Avcıl , Enes Arkan , Rabia İzol

https://doi.org/10.18586/msufbd.1334646

Abstract

Kahramanmaraş earthquakes, which occurred on 06 February 2023 at 4.17 (Pazarcık) and 13.24 (Elbistan) local time, caused very important structural damages in both urban and rural building stock. This paper deals with field investigations involving structural damages in masonry buildings with heavy earthen roofs after the Kahramanmaraş earthquakes. It also includes location-specific earthquake ground accelerations and response spectra for these earthquakes. 11 provinces were affected by the earthquakes that occurred on the same day, and more than 300,000 buildings were damaged or collapsed. With the examinations made in rural areas, it has been observed that the dominant building stock is masonry buildings and these buildings are mostly built using heavy earthen roofs and wooden beams. Especially in buildings where the wooden beams are not properly connected to the wall, it has been observed that the roof collapses completely or causes out-of-plane damage to the wall as a result of the large moments of inertia it creates. It has been observed that most of the buildings built in rural areas are not built in accordance with the regulations and are built without any engineering service.

Keywords

Damage, Earthquake, Heavy earthen roof, Kahramanmaraş, Masonry building

Kahramanmaraş Depremlerinde Ağır Toprak Damların Yığma Yapılarda Yol Açtığı Hasarların Araştırılması

Abstract

06 Şubat 2023 yerel saat ile 4.17 (Pazarcık) ve 13.24 (Elbistan) meydana gelen Kahramanmaraş depremleri hem kentsel hem de kırsal yapı stokunda çok önemli yapısal hasarlara sebep olmuştur. Bu makale, meydana gelen Kahramanmaraş depremleri sonrasında ağır toprak damlara sahip yığma binalarda oluşan yapısal hasarları içeren saha araştırmalarını ele almaktadır. Aynı zamanda bu depremler için il bazlı yer ivmeleri ve tepki spektrumlarını içermektedir. Aynı gün içerisinde meydana gelen depremlerden 11 il etkilenmiş ve toplamda 300.000’den fazla bina hasar görmüş veya çökmüştür. Kırsal bölgelerde yapılan incelemede hakim yapı stokunun yığma bina olduğu ve bu binaların genelde ağır toprak dam ve ahşap kirişler kullanılarak yapıldığı gözlemlenmiştir. Özellikle ahşap kirişlerin duvara bağlantısının düzgün yapılmadığı binalarda çatının tamamen göçtüğü ya da oluşturduğu büyük atalet kuvvetleri neticesinde duvarda düzlem dışı hasara neden olduğu gözlemlenmiştir. Kırsal bölgelerde inşa edilen binaların çoğunun yönetmeliklere uygun yapılmadığı ve herhangi bir mühendislik hizmeti almadan inşa edildiği gözlemlenmiştir.

Keywords

Hasar, Deprem, Ağır toprak dam, Kahramanmaraş, Yığma yapı

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