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2022 Düzce, Türkiye earthquake: advances in the past 2 decades, lessons learned, and future projections
(Springer, 2024) Demir, Aydin; Gunay, Selim; Marinkovic, Marko; Dilsiz, Abdullah; Bektas, Nurullah; Khalil, Zeyad; Arslan, Mehmet Emin
In the year 1999, two devastating earthquakes (Mw 7.4 Kocaeli earthquake in August and Mw 7.2 D & uuml;zce earthquake in November) occurred in Northwest T & uuml;rkiye. These two earthquakes led to a very large number of casualties and building collapses. When the 1999 earthquakes occurred, most of the structures in the earthquake-impacted region were not designed according to modern seismic design codes. During the 25 years following those earthquakes, there have been significant advances in building construction in the light of earthquake engineering, including adequate seismic codes, new regulations, and effective code enforcement in the earthquake impacted region. These advances have been reflected in the construction of new structures in the region and the retrofitting of existing ones. As a result, 70-80% of the current building stock in D & uuml;zce was designed, constructed, or retrofitted after the 1999 earthquakes. Almost 23 years later, in 2022, an Mw 6.1 earthquake occurred in D & uuml;zce, with ground shaking close to the seismic design code life safety performance level. The 2022 earthquake provided a great opportunity to evaluate the effectiveness and consequences of the advances in earthquake engineering and the relevant policy-making and regulations. This paper provides a comparative overview of the 1999 and 2022 earthquakes that struck the city of D & uuml;zce in terms of hazard, vulnerability, and consequences. Furthermore, other key lessons learned from the 2022 D & uuml;zce earthquake are documented based on field reconnaissance and numerical simulations. The lessons learned are expected to provide useful guidance for the reconstruction efforts after the 2023 Kahramanmara & scedil; T & uuml;rkiye earthquake sequence or in similar efforts in other parts of the world.
Bazalt liflerin geleneksel betonların mekanik özelikleri ve kırılma enerjilerine etkilerinin incelenmesi
(2017) Arslan, Mehmet Emin
Bu çalışmanın temel amacı, bazalt liflerinin geleneksel betonun mekanik özelikleri ve eğilme altında kırılma parametrelerine etkilerini incelemektir. Betonun kırılma enerjilerinin belirlenmesi amacıyla, RILEM TC 50-FMC standardına uygun olarak, lifsiz ve 24 mm boyunda 0.5, 1, 2 ve 3 kg/m³ bazalt lif içeriğine sahip 15 adet 50x100x480 mm boyutlarında çentikli kiriş numuneleri üretilmiştir. Üretilen çentikli kiriş numuneleri üzerinde üç nokta eğilme deneyi gerçekleştirilmiştir. Çentikli kiriş numunelerin kırılma enerjileri, yük-çatlak açıklığı eğrisinin altında kalan alan kullanılarak hesaplanmıştır. Elde edilen sonuçlar, bazalt liflerin betonun kırılma enerjisini önemli oranda artırdığını göstermiştir. Bunun yanında bazalt liflerin betonun, basınç dayanımı ve elastisite modülü üzerinde önemli bir etkisinin olmadığı görülmüştür. Yarmada ve eğilmede çekme dayanımlarında ise 2 kg/m³ lif içeriğinden sonra azalma başladığı görülmüştür. Elde edilen sonuçların tamamı beraber değerlendirildiğinde geleneksel beton için en uygun lif oranının 2 kg/m³ olduğu belirlenmiştir
Bond behavior of lightweight concretes containing coated pumice aggregate: hinged beam approach
(Techno-Press, 2015) Beycioğlu, Ahmet; Arslan, Mehmet Emin; Bideci, Özlem Sallı; Bideci, Alper; Emiroğlu, Mehmet
This paper presents an experimental study for determining the bond performance of lightweight concretes produced using pumice aggregate coated with colemanite-cement paste. For this purpose, eight hinged beam specimens were produced with four different concrete mixtures. 14 mm deformed bars with 10 Phi development lengths were selected constant for all test specimens. All the specimens were tested in bending and load-slip values were measured experimentally to determine the effect of colemanite-cement coated pumice aggregate on bond performances of lightweight concretes. Test results showed that, colemanite-cement coated pumice aggregate increases compressive strength and bond performance of the lightweight concretes, considerably.
Cyclic behavior of autoclaved aerated concrete block infill walls strengthened by basalt and glass fiber composites
(Elsevier Sci Ltd, 2021) Arslan, Mehmet Emin; Aykanat, Batuhan; Subasi, Serkan; Marasli, Muhammed
In this study, the effects of 10 mm bilaterally applied basalt and glass fiber reinforced (BRC and GRC) cementitious plasters with different fiber content (1.0%, 2.0% and 3.0%) on the behavior of the autoclaved aerated concrete (AAC) block infill walls were investigated. For this purpose, 8 infill walls with dimensions of 150 x 150 x 20 cm were produced to examine the behavior of the infill walls under reversed cyclic loading. The load carrying capacities, stiffness degradation and energy dissipation capacities of the infill walls placed in a steel frame with hinges on all four corners were determined by using hysteretic load-displacement curves to evaluate effects of fiber reinforced cementitious plaster. The test results show that BRC and GRC plaster applications considerably increase the load carrying and energy dissipation capacities of the infill walls. However, the experimental results illustrated that the usage of BRC plasters in strengthening of the AAC block infill walls needs more attention. Having similar results for different fiber ratios in the use of GRC reveals that it may be more rational to use 1.0% fiber content for the most economical solution for strengthening. Although the results obtained in this study are valid for infill walls, the experimental results show that GRC plasters can also be used in strengthening of masonry walls. It is recommended that this method can be used quickly and effectively in strengthening of masonry structures, which occupy an important place in the existing building stock.
Cyclic behavior of GFRP strengthened infilled RC frames with low and normal strength concrete
(Walter De Gruyter Gmbh, 2019) Arslan, Mehmet Emin; Durmuş, Ahmet; Hüsem, Metin
This paper presents the experimental behavior of plane, non-strengthened and glass fiber reinforced polymer (GFRP) strengthened infilled reinforced concrete (RC) frames with low strength concrete (LSC) and normal strength concrete (NSC) under lateral reversed cyclic loading. For this purpose, eight full-scale, one-bay, one-storey plane and infilled (brick and aerated concrete blocks which are commonly used in RC construction) RC frames with LSC and NSC were produced and in-plane lateral loading tests were carried out. Test results indicate that infill walls considerably change the behavior of frames by increasing rigidity and load carrying capacity. By contrast, GFRP fabric used for strengthening of infilled RC frames improves ductility, load carrying and energy dissipation capacity of in filled frames with ISC and NSC as well. After all the test results were evaluated together, a GFRP strengthened brick infilled frame demonstrated the best performance under cyclic lateral loading.
Cyclic behaviors of different type of hollow brick infill walls: A hinged rigid frame approach
(Elsevier Sci Ltd, 2019) Pul, Selim; Arslan, Mehmet Emin
The main purpose of this study is to examine the behavior of the brick masonry and infill walls under cyclic horizontal loads, irrespective of reinforced concrete frames. For this purpose, the test walls, which are produced as non-plastered (plane), two side plastered and two side plastered and strengthened with zinc coated steel wire mesh by using vertical and horizontal hollow brick walls were tested in a rigid hinged steel loading frame under lateral cyclic loading. The findings were evaluated in terms of load carrying capacity, ductility and energy dissipation capacities. The tests carried out showed that the expected increases were provided any type of plastered walls in terms of stiffness with respect to the reference non-plastered walls. Besides this, wired mesh used in plastered walls increased significantly the ductility and consequently the energy dissipation capacity of the walls by maintaining wall integrity in an advanced stage of the loading. Also, both hollow brick and vertical brick infill walls strengthening with wired mesh increase load carrying capacity of the wall test specimens. Load carrying and energy dissipation capacities of wire meshed specimens almost five times more than those of plane test walls. (C) 2019 Elsevier Ltd. All rights reserved.
Effect of basalt fibers on fracture energy and mechanical properties of HSC
(Techno-Press, 2016) Arslan, Mehmet Emin
Fracture energy is one of the key parameters reveal cracking resistance and fracture toughness of concrete. The main purpose of this study is to determine fracture behavior, mechanical properties and microstructural analysis of high strength basalt fiber reinforced concrete (HSFRC). For this purpose, three-point bending tests were performed on notched beams produced using HSFRCs with 12 mm and 24mm fiber length and 1, 2 and 3 kg/m(3) fiber content in order to determine the value of fracture energy. Fracture energies of the notched beam specimens were calculated by analyzing load versus crack mouth opining displacement curves by the help of RILEM proposal. The results show that the effects of basalt fiber content and fiber length on fracture energy are very significant. The splitting tensile and flexural strength of HSFRC increased with increasing fiber content whereas a slight drop in flexural strength was observed for the mixture with 24mm fiber length and 3 kg/m(3) fiber content. On the other hand, there was no significant effect of fiber addition on the compressive strength and modulus of elasticity of the mixtures. In addition, microstructural analysis of the three components; cement paste, aggregate and basalt fiber were performed based on the Scanning Electron Microscopy and Energy-Dispersive X-ray Spectroscopy examinations.
Effects of basalt and glass chopped fibers addition on fracture energy and mechanical properties of ordinary concrete: CMOD measurement
(Elsevier Sci Ltd, 2016) Arslan, Mehmet Emin
This study investigates fracture behavior of basalt fiber reinforced concrete (BFRC) and glass fiber reinforced concrete (GFRC) comparatively. For this purpose, three-point bending tests were carried out on notched beams produced using BFRC and GFRC with 0.5, 1, 2 and 3 kg/m(3) fiber contents to determine the value of fracture energy. Fracture energies of the notched beam specimens were calculated by analyzing load versus crack mouth opining displacement (CMOD) curves by the help of RILEM proposal. In addition, microstructural analysis of the three components; cement paste, aggregate, basalt and glass fiber were performed based on the Scanning Electron Microscopy and Energy-Dispersive X-ray Spectroscopy examinations and analysis were discussed. The results showed that the effects of the fiber contents on fracture energy were very significant. The splitting tensile and flexural strength of BFRC and GFRC were improved with increasing fiber content whereas a slight drop in flexural strength was observed for high volume of fiber content. On the other hand, effect of fiber addition on the compressive strength and modulus of elasticity of the mixtures was insignificant. (C) 2016 Elsevier Ltd. All rights reserved.
Effects of basalt and glass fiber composites usage for strengthening on the cyclic behavior of brick infill walls
(Elsevier, 2022) Arslan, Mehmet Emin; Aykanat, Batuhan; Ayyıldız, Mehmet Ali; Subaşı, Serkan; Maraşlı, Muhammed
In the current study, the effects of 10 mm bilaterally applied basalt fiber reinforced concrete (BRC) and glass fiber reinforced concrete (GRC) plasters with different fiber content (1.0%, 2.0% and 3.0%) on the behavior of the brick infill walls were investigated. For this purpose, strengthened brick infill walls placed in a hinged steel frame on all four corners were examined comparatively with their non-plastered and ordinary cement plastered conditions under cyclic loading. The load carrying capacities, displacement ductility, stiffness degradation and energy dissipation capacities of infill walls were determined using obtained results. The test results showed that brick walls with 1.0% glass fiber and 2.0% basalt fiber content showed the best performance in terms of load carrying and energy dissipation capacity. Also brick wall with 1.0% glass fiber content has the lowest stiffness degradation decrease at the ultimate drift ratio. In addition to all these, it has been observed that the mechanical behavior of the walls strengthened with plasters containing different percentages of fiber has improved considerably compered to non-plastered and ordinary cement plastered brick walls. This situation reveals that basalt and glass fiber plasters can be used to strengthen the walls. It is recommended that this method can be used quickly and effectively in the reinforcement of masonry structures, which have a large amount in the existing building stock.
Effects of Different Wall Openings on the Cyclic Behavior of Aerated Concrete Block Infilled RC Frames
(Budapest Univ Technology Economics, 2023) Aykanat, Batuhan; Arslan, Mehmet Emin; Sen, Anil
In the current study, the effects of infilled reinforced concrete (RC) frames with different window and door openings under cyclic loads were investigated. For this purpose, five in-filled RC frames with different infill wall openings were produced. The main parameters to evaluate overall performance of the RC frames with infill walls, the load carrying capacities, displacement ductility, stiffness degradation and energy dissipation capacities were determined using obtained results. At the end of the study, even if the opening ratios are the equal, it has been observed that the location and number of openings have a significant effect on the behavior and failure pattern of the RC frames. Also, increase in the openings ratio decreases the load carrying capacity, and energy consumption capacity. Based on these results, it is suggested that infill walls affect the structural behavior and failure pattern. Therefore, infill wall openings should be considered in the design of RC structures.
Effects of glass fiber usage on fracture energy and mechanical behavior of concrete: An experimental approach
(2023) Arslan, Mehmet Emin; Aykanat, Batuhan; Emiroğlu, Mehmet
In this study, the fracture and mechanical behavior of glass fiber reinforced concrete (GFRC) are investigated comparatively. For this purpose, three-point bending tests were carried out on notched beams produced using GFRC with 1, 2, and 3 kg/m3 fiber contents and the dimension of 6, 12, and 24 mm to determine the fracture energy. Fracture energy values of the GFRC specimens were calculated by analyzing load versus crack mouth opening displacement (CMOD) curves. Compressive strength was determined using cube samples with the dimension of 150x150mm. Tensile strength and Modulus of elasticity were determined using notched beams with the dimensions of 480x100x50 mm. Also, notched beams were produced and tested in accordance with RILEM recommendations. In addition, microstructural analyses were performed based on Scanning Electron Microscopy and Energy-Dispersive X-ray Spectroscopy examinations. The results showed that the effects of fiber contents on fracture energy were very significant. However, the effect of fiber addition on the compressive strength and modulus of elasticity values was not significant.
Effects of Plaster Thicknesses on Cyclic Behavior of Infill Walls with Different Materials
(Budapest Univ Technology Economics, 2020) Arslan, Mehmet Emin; Agcakoca, Elif; Senturk, Merve
Reinforced concrete structure systems are usually designed as frame or shear wall-frame systems. It is possible to reduce the deformation and displacement in the system by increasing the structural stiffness. Besides, large displacements on the floors caused by horizontal load are damped by the cracks in these walls. The present paper aims to examine the effects of materials used in the wall construction as well as thickness of the plaster on the behavior of infill walls under cyclic loads. In order to investigate the above mentioned effects, three Infill walls that were produced from three different materials namely, horizontal hollow bricks, pumice blocks and aerated concrete blocks were tested in three setups (without plaster, with 1 cm plaster and 2.5 cm plaster on it). In order to determine pure wall contribution, the infill walls were placed in a steel frame test set-up which was hinged from all four corners and were then exposed to cyclic loads taking into account the displacement controlled loading protocol proposed in FEMA 461. Right after applying the plaster to the infill walls, load carrying and energy dissipation capacities of the walls were examined comparatively. Load-displacement, backbone curve and cumulative dissipated energy curves of each infill walls are generated using the data collected from the experiments and the infill walls behaviors are graphically explained. Test results showed that existence and thickness of plaster significantly affected cyclic behavior of the test walls by increasing energy dissipation capacities and load carrying capacities.
Effects of Surface and Fiber Types on Mechanical Properties of Fiber Reinforced Polymer Bars
(Springer International Publishing Ag, 2018) Beycioğlu, Ahmet; Arslan, Mehmet Emin; Seis, Muhammet; Aydın, Abdulkerim
In this study, effects of surface form (sand coated and helical ribbed surface) and fiber types (glass, carbon, aramid and basalt) on tensile strength and elastic modulus of fiber reinforced polymer (FRP) bars were investigated. The results showed that FRP bars with helically wrapped surfaces have higher tensile strength and elastic modulus than those of FRP bars with sand coated surface.
An experimental study on cyclic behavior of aerated concrete block masonry walls retrofitted with different methods
(Elsevier Sci Ltd, 2019) Arslan, Mehmet Emin; Celebi, Erkan
Due to the insufficiency of the ductility, stability and low tensile stress capacity of the masonry shear walls responsible for carrying lateral loads, traditional brickwork masonry structures considered to be designed only under vertical service loads have been badly affected by the past severe earthquakes. The vulnerability of the existing masonry buildings can be decreased considerably by employing efficient retrofitting methods. This research work primarily aims to investigate experimentally cyclic behavior of aerated concrete block masonry walls before and after application of a special fiber retrofitting system. The investigated retrofitting system consists of multi-axial hybrid fabric made of alkali resistant glass polypropylene fibers for earthquake protection and white cement based plaster mortar with natural hydraulic lime. Another type of mortar with different material content was also tested to assess the adherence effect to the seismic retrofitting textile. The experimental results of this study were given with respect to force-displacement curves comparatively for all considered test specimens. It is concluded that the strength and the ductility capacity increased considerably by applying of the seismic textile, especially for two-sided retrofitting application with expanded glass granular made plastering. (C) 2018 Elsevier Ltd. All rights reserved.
Field Observations and Damage Evaluation in Reinforced Concrete Buildings After the February 6th, 2023, Kahramanmaras-Turkiye Earthquakes
(World Scientific Publ Co Pte Ltd, 2023) Altunisik, Ahmet Can; Arslan, Mehmet Emin; Kahya, Volkan; Aslan, Banu; Sezdirmez, Tugrul; Dok, Gokhan; Kirtel, Osman
On February 6, 2023, two major earthquakes (Mw 7.7 and Mw 7.6) occurred in the province of Kahramanmaras in southern Turkiye at 9-h intervals, causing a lot of loss of life and destruction in the region where approximately 16% of the country's population lives. This study provides a comprehensive summary of common structural deficiencies that occurred in reinforced concrete (RC) buildings in earthquake-prone cities and proposes actionable measures systematically for future disasters. The evaluated data are based on the field observations of the authors. The main reasons for damages in RC buildings in the observation field can be classified into two categories: (1) the errors during the design stage (strong beam-weak column, short column, soft story, pounding effects, the existence of short and unconfined lap splices, insufficient transverse reinforcement, column-beam connection failures), and (2) the errors during the construction stage (poor concrete quality, unribbed reinforcing steel bar and corrosion, incorrect placement of reinforcement bars, incorrect end hook angle and length, weak gable walls, workmanship defects). Furthermore, a comparative nonlinear finite element analysis of the seismic impacts caused by the first earthquake on an existing RC building fully collapsed in the earthquake was conducted as a case study considering Turkiye Building Earthquake Code 2018 [TBEC 2018] Turkiye Bina Deprem Yonetmeligi, Afet ve Acil Durum Yonetimi Baskanligi, Ankara (in Turkish)]. The validity and accuracy of the reasons for damages, which were reached by the field observations, were also proven by numerical analysis results. The importance of complying with the regulations, conducting the performance evaluations and controls of the buildings according to the renewed earthquake regulations and, if necessary, repairing-strengthening works were emphasized. The loss of life and property after the earthquakes that we experienced on February 6, 2023, which were called the Disaster of the Century, showed that Turkiye's current building stock, especially those built before a certain date, is insufficient against earthquakes.
Fuzzy logic approach for estimating bond behavior of lightweight concrete
(Techno-Press, 2014) Arslan, Mehmet Emin; Durmuş, Ahmet
In this paper, a rule based Mamdani type fuzzy logic model for prediction of slippage at maximum tensile strength and slippage at rupture of structural lightweight concretes were discussed. In the model steel rebar diameters and development lengths were used as inputs. The FL model and experimental results, the coefficient of determination R2, the Root Mean Square Error were used as evaluation criteria for comparison. It was concluded that FL was practical method for predicting slippage at maximum tensile strength and slippage at rupture of structural lightweight concretes.
Gaz Beton Dolgu Duvar Pencere Boşluklarının Betonarme Çerçeve Davranışına Etkilerinin Deneysel Olarak İncelenmesi
(2022) Arslan, Mehmet Emin; Aykanat, Batuhan; Şen, Anıl
Dolgu duvarlar, genel olarak iç mekânları bölmek, ısı ve ses yalıtımı sağlamak için betonarme yapılarda yaygın olarak kullanılan bir yapı elemanıdır. Taşıma kapasitelerinin düşük olması sebebiyle, yapısal olmayan bileşenler olarak kabul edilmekte ve sadece sabit yük olarak dikkate alınmaktadırlar. Ancak yapılan çalışmalar, dolgu duvarların yapı davranışını önemli ölçüde etkilediği görülmüştür. Bunun yanında, dolgu duvarlarda, havalandırma ve aydınlatma gereksinimleri için kapı ve pencere boşlukları bırakılmak zorundadır. Bu durumda, çerçeve davranışı da bununla paralel olarak değişiklik gösterecektir. Bu nedenle bu çalışmada, farklı boyutlarda pencere açıklıkları ve boşluklar içeren dolgu duvarlı betonarme çerçevelerin çevrimsel yükler altındaki yapısal davranışı deneysel olarak incelenmiştir. Bu amaçla 3 adet ½ ölçekli, betonarme çerçeve üretilmiştir. Bunlardan bir tanesi boşluksuz, diğer ikisi ise aynı duvar pencere boşluk alanında, farklı biçim ve boşluk konumu sahip olacak şekilde üretilmiştir. Üretilen çerçeveler, FEMA 461’de önerilen yükleme protokolü kullanılarak çevrimsel yükler altında deney tabi tutulmuşlardır. Deneylerden elde edilen bulgular kullanılarak dolgu duvarlı çerçevelerin taşıma kapasiteleri, enerji tüketme kapasiteleri ve kırılma biçimleri belirlenmiştir. Elde edilen bulgular, dolgu duvar boşluklarının biçim ve konumlarının çerçeve davranışını önemli ölçüde değiştirdiğini ortaya koymuştur.
Investigation on the effects of basalt fibers on the mechanical properties and fracture energy of ordinary concretes
(Pamukkale Univ, 2017) Arslan, Mehmet Emin
The main purpose of this study is to investigate the effect of basalt fibers on mechanical properties and fracture behavior of ordinary concrete. For this purpose, 15 notched concrete beams measuring 50x100x480 mm were prepared and tested using three point bending test in accordance with RILEM TC 50-FMC. Mixtures were produced using basalt fibers of 24 mm length at contents of 0.5, 1, 2, and 3 kg/m(3) in addition to the mixture without fiber for comparison. Fracture energies were calculated using the area under the Load-Crack Mouth Opening Displacement (CMOD). The results obtained from the tests indicate that basalt fibers have considerably increased the fracture energy of ordinary concrete. However, it was observed that the addition of basalt fibers had no significant effect on the compressive strength and elastic modulus. It was also observed that the splitting tensile and flexural strengths began to decrease beyond a fiber content of 2 kg/m(3). Overall evaluation indicated that addition of 2 kg/m(3) basalt fibers to the mixture seems to be proper in relation with the properties tested in this work.
Kenetlenme Boyu ve Donatı Çapının Beton-Donatı Aderansına Etkisinin Mafsallı Kiriş Deneyiyle İncelenmesi
(2018) Arslan, Mehmet Emin; Arslan, Talha
Betonarmenin varlığını borçlu olduğu beton-donatı aderansı konusu, betonarme yapıların kullanılmaya başladığı ilk yıllardan beri bilim insanlarının ilgisini çekmiştir. Bu konuyla alakalı birçok çalışma gerçekleştirilmiştir. Beton-donatı aderansı konusunda birçok çalışma yapılmış olmasına rağmen, aderans olayının karmaşık olması sebebiyle konu tam olarak aydınlatılamamıştır. Bu sebeple, bu çalışmada, farklı donatı çapları (10, 12, 14 mm) ve kenetlenme boyları (100, 150, 200 mm) sabit bir beton sınıfı kullanılarak, beton-donatı aderansı mafsallı kiriş deneyi yardımıyla eğilme altında deneysel olarak incelenmiştir. Deneysel çalışma, toplam 9 adet mafsallı kiriş üzerinde gerçekleştirilmiştir. Deney sonuçları, kenetlenme boyunun ve donatı çapının aderans dayanımını önemli derecede etkilediğini ortaya koymuştur. Aynı kenetlenme boyu için düşük çaplı donatılarda daha yüksek gerilme değerlerine ulaşılmıştır. Ayrıca kenetlenme boyu arttıkça sıyrılmalar azalmış ve aderans dayanımı artmıştır.
On the earthquake-related damages of civil engineering structures within the areas impacted by Kahramanmaraş earthquakes
(2023) Atmaca, Barbaros; Arslan, Mehmet Emin; Emiroğlu, Mehmet; Altunışık, Ahmet Can; Adanur, Süleyman; Demir, Aydın; Günaydın, Murat
Two major earthquakes occurred on the Eastern Anatolian Fault Line (EAF) on February 6, 2023, with an interval of nine hours. These earthquakes, measuring Mw 7.7 and Mw 7.6, were centered in the districts of Pazarcık and Elbistan in the province of Kahramanmaraş. They directly affected 11 provinces (Kahramanmaraş, Hatay, Adıyaman, Osmaniye, Gaziantep, Şanlıurfa, Malatya, Diyarbakır, Adana, Kilis, and Elazığ) in the Eastern and Southeastern Anatolia, caused significant loss of life and property. This study aims to present the field investigation and performance evaluation of engineering structures in the mentioned cities. The types of damages occurring in the reinforced concrete (RC) and masonry buildings, historical and industrial structures, bridges, and mosques were given in detail. According to the data of the Ministry of Treasury and Finance of Türkiye, it has been reported that the cost of these earthquakes is approximately 103.6 billion dollars, which corresponds to nine percent of Türkiye's national income expectation for 2023 and causes damage and losses of approximately six times more than the 1999 Marmara earthquake. In the areas affected by earthquakes, many of the errors determined by professionals from previous earthquakes still exist today.

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