Fatih Avcil

• Doctor of Engineering
• Bitlis Eren University

The Kahramanmaraş (Türkiye) earthquake on 6 February 2023, one of the largest earthquakes of the century, caused the collapse or severe damage of thousands of structures. This catastrophic disaster resulted in over 53,000 fatalities and rendered many structures unusable. This study addresses the observed damage in reinforced concrete (RC) structure...

Earthquake damage in regions with high seismic risk highlights the need for. measures to improve the earthquake performance of existing structures. One such measure is strengthening these structures to bring them up to the desired performance levels. In this study, the damage to reinforced concrete (RC) buildings was examined in light of the Februa...

Devastating earthquakes around the world highlight the crucial need to understand the seismic performance of structures. Local soil conditions are among the most significant factors influencing a structure’s seismic behavior. Earthquake–soil–structure interactions directly affect seismic damage levels. In performance-based earthquake engineering, a...

The earthquakes in Türkiye on February 6, 2023, resulted in devastating losses, impacting approximately 14% of the country's population and causing severe structural damage to historic buildings. This study focuses on the historical structures in Hatay, Adıyaman, and Kahramanmaraş, with particular attention to Şanlıurfa, home to some of humanity's...

On 6 February 2023, two very large destructive earthquakes occurred in the East Anatolian Fault Zone (EAFZ), one of Türkiye’s primary tectonic members. The fact that these earthquakes occurred on the same day and in the same region increased the extent of the destruction. Within the scope of this study, twenty different settlements affected by eart...

In this study, experimental tests were conducted on composite mortars in different forms prepared using lime, pumice, fly ash, and metakaolin. This research aims to recycle fly ash produced as industrial waste and produce a building material that is durable, lightweight, and provides good insulation. In the composite structure mortar mixture design...

This study examined the bending and ductility capacities of reinforced concrete beams produced with the post-tensioning technique used to cross wide spans in structures. For this purpose, six beam specimens were produced. Two of these specimens (NB/1-2) were made of normal reinforced concrete and the other four were created by applying the post-ten...

The Kahramanmaraş earthquake couple, which took place on February 6, 2023, is one of the biggest disasters Türkiye has encountered in the instrumental period. While the effects of these earthquakes were felt primarily in 11 different provinces, they also caused significant effects in many other provinces. These two independent earthquakes of magnit...

Many reinforced-concrete structures collapsed or were seriously damaged in the 7.7 and 7.6 magnitude earthquakes that occurred in southern Türkiye on 6 February 2023. The recorded peak ground accelerations were quite high (2.2 g) and the recorded motions’ elastic acceleration response spectra were significantly greater than the elastic design spect...

Abstract: Huge losses of life and property occurred as a result of two independent catastrophic earthquakes on 6 February 2023 in the Eastern Anatolian Fault Zone, where no significant earthquake has occurred in approximately 500 years. The earthquakes, whose epicenters were in the Pazarcık and Elbistan districts of Kahramanmaraş province at 9 h in...

The 6th February 2023 Pazarcık and Elbistan earthquakes (Mw = 7.7 and Mw = 7.6) caused great destruction in many cities and were the disaster of the century for Türkiye. The greatest destruction was caused in the provinces of Hatay, Kahramanmaraş, and Adıyaman during these earthquakes, which were independent of each other and occurred on the same d...

On 6 February 2023, two independent earthquake pairs on the East Anatolian Fault Zone, with epicenters in Pazarcık (Mw = 7.7) and Elbistan (Mw = 7.6) districts of Kahramanmaraş province, caused great destruction. Adıyaman and Gölbaşı districts of this city are among the settlements most affected by the earthquake. Especially in the district where g...

On 6 February 2023, two large earthquakes struck southern Türkiye on the same day, resulting in a considerable loss of life and property damage over a large region that included 11 cities. After these disasters, there was a requirement to define the soil-related intensity distribution, aside from manufacturing defects caused by buildings. The modif...

Masonry structures are known as an ancient construction technology with a history dating back thousands of years. The main load-bearing members of masonry structures are walls obtained using different materials. These walls, which serve both load-bearing functions and are used to separate spaces, can be thick because they generally have low-strengt...

Large-scale loss of life and property occurred in Kahramanmaraş and its districts, which are the city center where the epicenters of the earthquake couples that occurred on February 6, 2023, in Türkiye. Major damage has occurred in different structural systems due to the earthquake. In addition, fault traces that are the source of the earthquake we...

On 6 February 2023, two major earthquakes, MW7.7 and MW7.6, occurred in the Kahramanmaraş city region of southeast Türkiye. As a result of the earthquakes that affected the region, around 60,000 people died and thousands of buildings suffered various levels of damage. In this study, the collapse and failure mechanisms of precast reinforced concrete...

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....

The Mw=7.7 (Pazarcık-Kahramanmaraş) and Mw=7.6 (Elbistan-Kahramanmaraş) earthquakes that occurred in Türkiye on 06.02.2023 with 9 hours’ intervals, caused great losses of life and property as the biggest catastrophe in the instrumental period. The earthquakes affecting an area of 14% of the country were enormous and caused a great deal of loss of...

Planning for settlement and urban redevelopment following disastrous earthquakes depends on the early detection and control of structural damage. The first damage assessment to be made immediately after the earthquake should be done as practically and quickly as possible. Within the scope of the study, the general causes of damage to the reinforced...

Many historical buildings are covered with vaults or domes. This study investigates the effectiveness of the buttress form on the lateral (out-of-plane) resistance of masonry walls subjected to the inclined vault thrust. For this purpose, a basic calculation model was created from an existing historical masonry building. Calculation models were obt...

The realistic determination of damage estimation and building performance depends on target displacements in performance-based earthquake engineering. In this study, target displacements were obtained by performing pushover analysis for a sample reinforced-concrete building model, taking into account 60 different peak ground accelerations for each...

The 06 February 2023 Kahramanmaras¸ Earthquakes, which were the disaster of the century for Türkiye and in which more than 50,000 people lost their lives, caused many buildings to collapse or receive significant structural damages. Adıyaman is one of the provinces that caused the most destruction by earthquakes affecting 11 different provinces,...

This paper evaluates the failures of masonry and RC minarets and mosques during the February 06, 2023, Kahraman Maraş earthquakes. Two big independent earthquakes (Mw=7.7 and Mw=7.6), which can be called the disaster of the century for Turkey and occurred at nine-hour intervals, caused a lot of loss of life and destruction in the region where appro...

Türkiye, ülke olarak dünyanın sismik açıdan en aktif olan bölgelerinin birinde yer almaktadır. Oluşan depremler bunun açık ve net bir göstergesidir. Son olarak 2020 yılında oluşan İzmir ve Elazığ depremlerin ardından 06 Şubat 2023 tarihinde gerçekleşen ve merkez üssü Kahramanmaraş olan deprem çiftleri çok büyük can ve mal kayıplarına neden olmuştur...

06 Şubat 2023 tarihinde Kahramanmaraş merkezli olarak gerçekleşen depremlerde önemli can ve mal kayıpları yaşanmıştır. Kentsel yerleşimlerde çok katlı yapılaşmadaki yapısal kusurlar, zemin yapı uyumsuzluğu gibi temel sorunlar öne çıkmıştır. Özellikle kentlerin geçmişlerindeki nehir yatakları, dolgu alanları gibi morfolojik unsurlar üzerine kontrols...

The loss of life due to large-scale structural damage has again demonstrated the importance of taking precautions before an earthquake. In this context, determining the risk priorities for the existing building stock and making the final decisions about the buildings is one of the basic measures to be taken before an earthquake. Within the scope of...

Many factors affect the earthquake vulnerability of reinforced concrete (RC) structures, constituting a large part of the existing building stock. Short column in RC structures is one of the reasons for earthquake damage. Significant damages may occur due to brittle fractures in structural elements when the shear resistances are exceeded under the...

Minarets are slender and tall structures that are built from different types of materials. Modern materials are also starting to be used in such structures with the recent developments in material technology. The seismic vulnerability and dynamic behavior of minarets can vary, depending on the material characteristics. Within this study’s scope, th...

Historical buildings built by different civilizations that have survived to the present day have an important place within the scope of the protection of cultural heritage. Bitlis province, where many different civilizations lived and located in a strategic position on the Silk Road, contains many different types of historical structures. Within th...

In order to meet the basic needs of foreign asylum seekers coming to our countries such as shelter, nutrition, and education, our government has established temporary shelters in different regions of our country. One of them is a completely disassembled steel school building with 23 classrooms, the carrier system of which is steel construction, in...

Masonry structures began to be built with the existence of human beings and are an inspiration for today’s structures. Monumental historical buildings built according to people’s religious beliefs have special importance among such structures. Despite being exposed to many natural disasters over time, such structures that have survived till today a...

The local soil conditions of the region where the structure is located are one of the important parameters taken into account in the evaluation and design of structures under the influence of earthquakes. In this study, the effect of different local soil conditions on target displacement values of reinforced-concrete (RC) structures in different se...

Yığma yapı tekniğiyle oluşturulan yapılarda kullanılan malzemeler gevrek davranış göstermektedir. Bu nedenle yığma yapılar özellikle mühendislik hizmeti görmeden inşa edilenleri deprem davranışları açısından iyi olmayan yapı grubuna girmektedir. Bu tür yapılarda kullanılan malzemelerin taşıma kapasitelerinin aşılması durumunda, yapıda ani kırılma v...

Bu çalışma kapsamında, 2018 yılında güncellenen Türkiye Bina Deprem Yönetmeliği ile kullanılmaya başlanan sahaya özgü tasarım spektrumlarının yığma tarzda inşa edilmiş bir minare için etkileri ortaya konmaya çalışılmıştır. Aynı deprem bölgesi içerisinde yer alan fakat her bir yerleşim birimi için özel olarak kullanılan tasarım spektrumlarının minar...

Bitlis has hosted many civilizations and is located in Turkey's significant strategic transit corridor. Many historical structures belong to different cultures in the city. The structural analysis of five minarets mentioned in folk songs and the brand value of Bitlis city in terms of historical buildings is the subject of this study. These minarets...

The vibrations produced by earthquakes cause large horizontal forces in beam-column joints. If these forces exceed the limit values that the joints can withstand, severe irreparable damage might occur. Experimental and analytical studies were conducted to determine the energy dissipation capacity and ductility of beam-column joints by using the Sel...

Geçmişte inşa edilen, bugün insanlık mirası olarak korunup gelecek nesillere güvenle aktarılması gereken yapılara tarihi yapılar adı verilir. Tarihi yapılar tüm toplumlar için oldukça büyük öneme sahiptir. Bu yapıların korunması hem insanlık görevi ve hem de sosyal bir ihtiyaçtır. Türkiye’nin “Ulusal Bilim ve Teknoloji Politikaları 2003-2023 Strate...

Geçmişten günümüze bakıldığında köprüler ulaşım sistemleri için önemli yapılardır. Çeşitli köprü türleri olup, kemer köprüler bunların en eskisidir. Son dönemde bölgede yaşanan depremler bu tarihi yapıların dinamik davranışına önemli derecede etki etmektedirler. Bu çalışmada MS 193-211 tarihinde Roma imparatorluğu döneminde yapılan Cendere köprüsü...

In this article, the seismic resistance of high masonry walls having buttresses has been investigated by equivalent static analysis method. For this purpose, a numerical model developed for the stability analysis of masonry elements with rectangular cross-section has been utilized. The numerical method takes into account the cracking and second ord...

Günümüze kadar gelen tarihi yapılar incelendiğinde çeşitli mimari üsluplar karşımıza çıkmaktadır. Kuşkusuz Osmanlı ve Gotik mimarisi dünya mimarlık tarihinde görkemli yapıları ile önemli mimarlık tarzları arasında bulunmaktadır. Kültürel açıdan önem taşıyan bu yapıların korunabilmesi ve herhangi bir müdahalenin yapılabilmesi için yapıyı oluşturan e...