Kanat Burak Bozdogan

Çanakkale Onsekiz Mart Üniversitesi | ÇOMÜ · Department of Civil Engineering

The soil–structure interaction plays a crucial role in determining the displacement and internal forces of multi-story buildings subjected to strong ground motion. One of the critical dynamic characteristics influencing soil–structure interaction is the fundamental site period and the average shear wave velocity associated with it. This study intro...

Hasar görebilirliğin önemli bir göstergesi göreli kat ötelemesi değeridir. ATC-40’a göre dört performans seviyesi tanımlanmış olup bunlar: Hemen kullanım, Kontrollü hasar, Can güvenliği ve Yapısal stabilite düzeyleridir. 0.01 göreli kat ötelemesi sınırı ATC-40’a göre hemen kullanım performans seviyesine karşılık gelmekte olup, bu göreli kat öteleme...

In shear wall-frame systems, the foundation rotation that may occur under the shear walls changes the displacements and interstory drift ratios and changes the internal force distribution. This study investigates the effect of foundation rotations under shear walls on internal force distribution in shear-frame systems. The originality of the study...

In this study, an approach is proposed to analyze structures that can be represented by the Timoshenko beam model. In this study, the Transfer matrix method, which has been previously developed in the literature for static, dynamic, and stability analysis of all types of multi-story buildings, is formulated specifically for the analysis of symmetri...

Mühendislikte birçok problem belirli kabuller altında basitleştirilmekte ve basitleştirilmiş modelin matematik modeli kurularak analitik ya da sayısal yöntemler ile çözüme ulaşılmaktadır. Bu basitleştirilmiş modellerden birisi de elastik zemine oturan kiriş teorisidir. Elastik zemine oturan kiriş teorisi demiryolu hatlarının çözümünde kullanılan ve...

Lateral displacement is a vary important parameter that we need to calculate when structures are subjected to lateral loads like earthquake and wind loads. In this study, a method is proposed for lateral displacement calculation of structures with different structural systems in different planes. This method is based on the continuum system calcula...

In multi-storey buildings, unforeseen foundation rotations can change the building’s behavior. Therefore, these effects should be taken into account in the analysis. In the studies conducted in the literature, the impact of the rotation of the foundation on the building behavior under static loads has been investigated. In this study, an approach i...

Zemin-yapı etkileşimi (ZYE) binanın periyodunu uzatırken yapısal sönüm oranını artırır. Binanın dinamik özelliklerindeki söz konusu değişim genellikle dinamik davranış açısından elverişli kabul edildiğinden ZYE tasarım yönetmeliklerinin birçoğunda ihmal edilmektedir. Fakat çok sayıda araştırma ZYE’nin ihmal edilmesinin binanın dönme sünekliği taleb...

In this study, a method has been proposed for the static and dynamic nonlinear analysis of multi-storey buildings, which takes into account the contribution of axial deformations in vertical load-bearing elements, which are especially important in tall and narrow structures. Shear deformations on the shear walls were also taken into account in the...

Maximum displacement and the maximum interstorey drift ratio are the important factors for the measurement of the vulnerability of multistorey buildings. For this reason, in this paper a method was proposed to calculate the maximum displacement and maximum interstorey drift ratio (IDR) values. In this model, reinforced concrete multistorey structur...

Yapı tasarımı sürecinde zemin sınıfının doğru olarak tespit edilmesi oldukça önemlidir. Ülkemizde ve dünyada yürürlükte olan Deprem Yönetmelikleri incelendiğinde zemin sınıflarının belirlenmesinde kullanılan önemli parametrelerden birisinin ortalama kayma dalgası hızı olduğu görülmektedir. Ortalama kayma dalgası hızı ve buradan hareketle zemin haki...

The Slope Deflection Method is one of the displacement-based methods developed for structural analysis. In this study, an approach is proposed for the static analysis of continuous beams. The basis of this approach includes the Ricatti Transform, which was used in the literature to get the Transfer Matrix Method by using the Finite Element Method....

Bu çalışmada Nevşehir ili Nevşehir Hacı Bektaş Veli Üniversitesi kampüs alanı içerisinde olduğu kabul edilen 2 katlı yığma bir binanın dayanıma göre tasarım, şekil değiştirmeye göre değerlendirme ve tasarım esaslı analizleri, StatiCAD-Yığma paket programı yardımıyla 2007 ve 2018 Türkiye Bina Deprem yönetmelikleri kullanılarak yapılmıştır. Duvarlard...

In this paper, the Timoshenko beam model (continuous system model) is originally adapted for dynamic analysis of steel plate shear wall (SPSW) systems. Dynamic characteristics for the first three modes are found by solving differential equation of the equivalent Timoshenko beam model using the differential transformation method. Dynamic characteris...

Bu çalışmada tek boyutlu zemin büyütme analizlerinde kullanılan Transfer fonksiyonlarının elde edilmesi için bir yöntem önerilmiştir. Çalışma kapsamında daha önce literatürde zemin hâkim periyodunun bulunması için kullanılan Değiştirilmiş Sonlu Elemanlar Taşıma Matrisi (DSETM) yöntemi zemin büyütme analizlerinde kullanılan transfer fonksiyonlarının...

In this study, the modified finite element-transfer matrix method was adapted for nanobeam’s stability analysis. The nanobeam's stability equation was first established with the help of Euler beam theory. Using differential equation, the finite element matrix of the element was first deduced, followed by the Ricatti transfer matrix. The suitability...

Çelik binalarda depreme karşı kullanılan taşıyıcı sistemlerden birisi de çelik levhalı perde-çerçeve sistemlerdir. 1970’li yıllardan itibaren Amerika, Kanada ve Japonya gibi ülkelerdeki çelik binalarda, çelik levhalı perde duvarlar kullanılmaya başlanmış olup son yıllarda ise kullanımı tüm dünyada yaygınlaşmıştır. Bu bildiride, malzeme ve geometrik...

In recent years, there has been a tendency towards renewable energy sources considering the damages caused by non-renewable energy resources to nature and humans. One of the renewable energy sources is wind and energy is obtained with the help of wind turbines. To determine the behavior of wind turbines under earthquake loads, dynamic characteristi...

Binalarda burulma olması durumunda yapıya ilave deprem kuvvetleri etkimekte ve iç kuvvetler ve yer değiştirmeler artmaktadır. Bu nedenle düşey taşıyıcı sistemlerin planda mümkün olduğunca burulma etkisini azaltıcı şekilde yerleştirilmesi önemlidir. Burulma etkilerini en aza indirmek için rijitlik merkezi ile ağırlık merkezinin mümkün olduğunca yakı...

ABSTRACT Seismic behavior of the structures is determined by using various dynamic parameters. The parameters are obtained depending on the existing structural characteristics of the structures, material properties, boundary conditions and damage condition. Modal analysis is a method used in civil engineering to solve complex structural dynamic pro...

Bu çalışmada, düzlem çerçevelerin periyotlarındaki değişim yapı zemin etkileşimi dikkate alınarak incelenmiştir. Bu amaçla Türkiye Bina Deprem Yönetmeliği’nde yer alan zemin sınıflarını temsil eden 5 farklı zemin sınıfı dikkate alınmıştır. Çalışmada basitleştirilmiş yöntemlerin bu tür sistemlerin serbest titreşim analizinde kullanılmasının uygunluğ...

Betonarme yapı ve yapı elemanları, kullanım süreleri boyunca çevresel faktörler, uygun olmayan kullanım, deprem etkisi gibi çeşitli yük etkilerine maruz kalırlar. Düşük malzeme dayanımı ve kalitesi yapının taşıma gücünü azaltan en önemli faktördür ve diğer etkenlerle birlikte değerlendirildiğinde yapı ve yapı elemanlarında hasar oluşumunun en öneml...

The Transfer Matrix Method is an effective method which is used in mechanics and provides a great advantage especially in solving some mechanical problems. The most important advantage of the Transfer Matrix Method is reducing the dimensions of the matrix used in the analysis. The most important consequence of this is the saving the time. In this s...

Structures consisting of frames can be considered as shear structures under certain assumptions. The frame can be idealized as an equivalent shear beam in this case. In this study, the dynamic characteristics of non-uniform frames were investigated. For this purpose, the method of differential transform was used to solve the governing differential...

Kırklareli Üniversitesi Mühendislik ve Fen Bilimleri Dergisi

In this study, a method is proposed to determine the fundamental period of layered soil profiles. A model considering the layered soil as shear type structure is used. At first, the soil profile is divided into substructures. Then, the stiffness matrices of the substructures considered as the equivalent shear structures are assembled according to t...

Structures with soft story irregularity have been seriously damaged in earthquakes. Therefore, the analysis of dynamic behavior of structures with soft story irregularity is of great value and relevance. In this study, a certain method will be used to discover the displacements and internal forces and to find out results about soft story irregulari...

The determination of the critical buckling load of multistory structures is important since this load is used in second order analysis. It is more realistic to determine the critical buckling load of multistory structures using the whole system instead of independent elements. In this study, a method is proposed for designating the system critical...

Abstract. In this study, differential equations of Euler – Bernouilli beams which play an important role in engineering problems of Winkler and Pasternak foundation have been examined [1,3.8]. Problems of beams, plates and shells rested on top of elastic foundation are usually extreme due to the wideness of the area of their application. Some examp...

Coupled shear walls are commonly used in the constructions to meet the architectural requirements and to improve the lateral resistance of the structure. Evaluation of the behavior of the structures with coupled shear walls under earthquake loads is carried out by dynamic analysis. For the dynamic analysis, identification of the dynamic properties...

The Differential Transform method is an effective method used in recent years in the solving of differential equations. This study benefits from the use of the Differential Transform method in the preliminary free vibration analysis of tall buildings composed from tubular structures. In this study, in accordance with the literature, the tube-in-tub...

In this study, the modified finite element- transfer matrix methods are proposed for free vibration analysis of asymmetric structures, the bearing system of which consists of shear wall-frames. In the study, a multi-storey structure is divided into as many elements as the number of storeys and storey masses are influenced as separated at alignments...

This paper presents a method for a free vibration analysis of a thin-walled beam of doubly asymmetric cross section filled with shear sensitive material. In the study, first of all, a dynamic transfer matrix method was obtained for planar shear flexure and torsional motion. Then, uncoupled angular frequencies were obtained by using dynamic element...

In this paper the Modified Finite Element-Transfer Matrix Method, which is the combination of Transfer Matrix Method and Finite Element Method, is applied to the static analysis of the structures. In the method, the structure is divided into substructures thus the number of unknowns that need to be worked out is reduced due to the transformation pr...

In this study, a method is presented for free vibration analysis of multi-storey asymmetric structures whose bearing system is composed of shear walls and cores. The multi-storey structure was modeled as an equivalent cantilever beam in the study. The equivalent cantilever beam in the method was divided into as many finite elements as the number of...

Vibration analysis plays an important role in the structural design of tall buildings. In this study, a vibration analysis of asymmetric shear wall-frame structures is carried out by a transfer matrix method. The method assumes that walls and frames run in two orthogonal directions. The structural properties of the building may change in the propos...

Differential Quadrature Method (DQM) is a powerful method which can be used to solve numerical problems in the analysis of structural and dynamical systems. In this study the governing equation which represents the free vibration of coupled shear walls is solved using the DQM method. A one-dimensional model has been used in this study. At the end o...

Günlük yaşantımıza baktığımızda teknolojik ve sosyal gelişmelerin ihtiyaca binaen ortaya çıktığı görülmektedir. İnşaat da gelişmelerden büyük oranda payını alan bir sektördür. Nüfus artışı, sanayileşme gibi nedenlerle de günümüzde inşaat çalışmaları yükselen bir ivme kazanmış ve yapılaşma oranı hızla artış göstermiştir. Bu artış yapıların tasarımın...

The paper starts with the well founded assertion that the study of interaction between soil'and structure is important for realistic determination of behaviour of high buildings. An approximate method for dynamic analysis of buildings, with the load bearing system made of shear walls and frames, is proposed. The flexibility of foundations under the...

This study presents an approximate method which is based on the continuum approach and one dimensional finite element method to be used for lateral static and dynamic analyses of wall-frame buildings. In this method, the whole structure is idealized as an equivalent sandwich beam which includes all deformations. The effect of shear deformations of...

A method for vibration analysis of proportional asymmetric plan frame buildings is presented in this paper. The whole structure is idealized as an equivalent shear-torsion beam in this method. The governing differential equations of equivalent shear-torsion beam are formulated using continuum approach and posed in the form of simple storey transfer...

This study presents an approximate method based on the continuum approach and transfer matrix method for lateral stability analysis of buildings. In this method, the whole structure is idealized as an equivalent sandwich beam which includes all deformations. The effect of shear deformations of walls has been taken into consideration and incorporate...

A method for vibration analysis of asymmetric shear wall and Thin walled open section structures is presented in this paper. The whole structure is idealized as an equivalent bending-warping torsion beam in this method. The governing differential equations of equivalent bending-warping torsion beam are formulated using continuum approach and posed...

In this study an approximate method based on the continuum approach and transfer matrix method for static and dynamic analyses of symmetric wall-frame buildings is presented. The whole structure is idealized as a sandwich beam in this method. Initially the differential equation of this equivalent sandwich beam is written; shape functions for each s...

In this study an approximate method based on the continuum approach and transfer matrix method for static and dynamic analyses of multi-bay coupled shear walls is presented. The whole structure is idealized as a sandwich beam in this method. Initially the differential equation of this equivalent sandwich beam is written, then shape functions for ea...

In this study an approximate method based on the continuum approach and transfer matrix method for static and dynamic analyses of stiffened multi-bay coupled shear walls is presented. In this method the whole structure is idealized as a sandwich beam. Initially the differential equation of this equivalent sandwich beam is written then shape functio...

In this study, an approximate method based on the continuum approach and transfer matrix method for free vibration analysis of multi bay coupled shear walls is presented. In this method the whole structure is idealized as sandwich beam. Initially the differential equation of this equivalent sandwich beam is written then shape function for each stor...

In this study an approximate method based on the continuum approach and transfer matrix method for free vibration analysis of multi bay coupled shear walls is presented. In this method the whole structure is idealized as sandwich beam in this method. Initially the differential equation of this equivalent sandwich beam is written then shape function...

An approximate method, which is based on continuum approximation model, is presented for the dynamic analysis of the structures of which structural properties are uniform up to the height. In the method, which can be used for the structures having bearing system consist of shear walls, coupled shear walls and/or frames, axial deformation effect is...

ZET :Bu çalışmada elastik zemine oturan kirişlerin birinci ve ikinci mertebe statik analizi için taşıma matrisi yöntemini temel alan bir yöntem sunulmuştur. Elastik zemine oturan kirişlerin yük altındaki davranışının Winkler hipotezine uyduğu kabulü yapılmıştır. Çalışmanın sonunda sunulan yaklaşımın matris-deplasman yöntemine yakınsaklığını araştır...

ZET :Bu çalışmada elastik zemine oturan kirişlerin birinci ve ikinci mertebe statik analizi için taşıma matrisi yöntemini temel alan bir yöntem sunulmuştur. Elastik zemine oturan kirişlerin yük altındaki davranışının Winkler hipotezine uyduğu kabulü yapılmıştır. Çalışmanın sonunda sunulan yaklaşımın matris-deplasman yöntemine yakınsaklığını araştır...

The effect of foundation elasticity on dynamic behaviour of buildings The paper starts with the well founded assertion that the study of interaction between soil and structure is important for realistic determination of behaviour of high buildings. An approximate method for dynamic analysis of buildings, with the load bearing system made of shear w...