Seismic Analysis of Different Slab Types for Reinforced Concrete Structures

Abstract

In this study, a reinforced concrete framed building was modeled with slab slab and unidirectional gear slab with the SAP2000 V21 program to examine the effect of slab type on the behavior of reinforced concrete buildings. For the earthquake calculation of the building, an artificial earthquake record was produced according to the Earthquake Level 2 level defined in the Turkish Building Earthquake Code (2008). With the earthquake record produced, linear calculations were made in the time history of the building with two different types of flooring, and the floor shear forces, floor drift values, floor stiffnesses, and maximum displacement values of the buildings were obtained. It has been observed that the performance of the ribbed slab building against earthquake loads is lower than that of the plate slab. It has been tried to reveal that the use of buildings with ribbed floors in areas with high earthquake risk should be considered, especially existing buildings with single-sided gear flooring should be reconsidered according to current regulations with the present study.

Keywords

• Slab
• SAP2000
• Building
• Earthquake

Farklı Döşeme Tiplerine Sahip Betonarme Yapıların Sismik Davranışı

Öz

Bu çalışmada döşeme tipinin betonarme bina davranışına etkisini incelemek için betonarme bir çerçeveli bina plak döşeme ve tek doğrultuda çalışan dişli döşemeli olarak SAP2000 V21 programı ile modellenmiştir. Binanın deprem hesabı için Türkiye Bina Deprem Yönetmeliği (2008)’ de tanımlanan Deprem Düzeyi 2 seviyesine göre yapay deprem kaydı üretilmiştir. Üretilen deprem kaydı ile farklı iki tip döşemeye sahip binanın zaman tanım alanında doğrusal hesabı yapılmış ve binalara ait kat kesme kuvvetleri, kat öteleme değerleri, kat rijitlikleri, maksimum yer değiştirme değerleri elde edilmiştir. Nervürlü döşeme binasının deprem yüklerine karşı performansının plak döşemeye göre daha düşük olduğu görülmüştür. Deprem riski yüksek bölgelerde nervürlü döşeme sahip bina kullanımına dikkat edilmesi gerektiği, Özelikle tek doğrultuda çalışan dişli döşemeye sahip mevcut binaların mevcut yönetmeliklere göre yeniden ele alınması gerektiği bu çalışma ile ortaya konulmaya gayret edilmiştir.

Anahtar Kelimeler

• Döşeme
• SAP2000
• Yapı
• Deprem

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