Oguz C. Celik

Oguz C. Celik
Istanbul Technical University · Faculty of Architecture

Professor of Structural&Earthquake Engineering

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182
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Publications

Publications (182)
Conference Paper
Full-text available
Burkulması önlenmiş çaprazlar (BÖÇ), geleneksel/konvansiyonel (burkulan) çelik çaprazlarla karşılaştırıldığında basınç ve çekmede yaklaşık simetrik davranış göstererek daha dengeli bir histeretik eğri ortaya koymaktadır. BÖÇ'ler yüksek rijitlik ve enerji sönümleme kapasiteleri nedeniyle yeni bina tasarımlarında, mevcut betonarme ve çelik yapıların...
Conference Paper
Full-text available
Sustainable construction techniques have been sought and developed for many years. Bamboo reinforced concrete (RC) beams have been proposed as an alternative solution to conventional steel RC beams. Performance of physllostachys bambusoides holocchrysa bamboo species as reinforcement is experimentally investigated in this work. A total of 5 beams w...
Article
Kahramanmaraş and its surroundings were devastated with major earthquake doublets of Mw = 7.8 Pazarcık and Mw = 7.6 Elbistan/Ekinözü on February 6th, 2023. While a wide scatter of reinforced concrete (RC) structures experienced damage, mid-rise residential buildings constitute a large bulk with heavy damage or total collapse. Among many reasons, po...
Conference Paper
Full-text available
Outcomes of several projects are briefly presented within the context of various types of steel braces (or braced systems) having specific features. Effect of local and global buckling slenderness on the hysteretic behavior is discussed. Using architectural cold formed steel sections (CFSSs) as buckling restrainers is proposed in the first project....
Article
Usable/rentable floor areas are crucial for the building owners in reinforced concrete (RC) tall buildings. To address this issue, concrete‐encased (CE) or concrete‐filled (CF) composite columns are proposed as alternative vertical load carrying elements by providing the required strength and ductility, but with smaller dimensions. Comparing the pe...
Article
Determining appropriate intervention methods for rehabilitation and restoration of historic ma- sonry bridges requires understanding the true behavior of the structural system. The presented study addresses this need by focusing on nonlinear structural behavior of stone masonry arch bridges and investigates the effect of different constitutive mate...
Conference Paper
Full-text available
The adoption of cold-formed steel (CFS) in structural systems has risen significantly in recent years due to various favourable features such as cost-effectiveness, speed of construction, and lightweight structures. As a result, CFS members are suitable for modular construction. Beams are primary structural members responsible for transferring load...
Conference Paper
Full-text available
Türkiye'ye Endonezya'dan getirilen bambu türünün betonarme kirişlerdeki performansının deneysel olarak incelenmesi amaçlanmıştır. Bu doğrultuda, tüm donatıları yüzeyi işlem görmemiş bambu olan betonarme kiriş (BBRC), tüm donatıları çelik olan betonarme kiriş (SRC), ana donatıları bambu, ancak etriyeleri çelik olan betonarme kiriş (BRC) ve donatısız...
Conference Paper
Full-text available
Deneysel çalışma kapsamında 2'si referans içi boş çift cidarlı çelik tüp (DST), 6'sı içi beton dolu çift cidarlı çelik tüp (CFDST) olmak üzere toplamda 8 adet numune eksenel basınç altında göçmeye dek denenmiştir. Çalışmanın parametreleri çelik tüplerin arasının beton dolu/boş olması, doluluk-boşluk oranı (χ=0.460.70) ve beton türüdür (referans be...
Conference Paper
Full-text available
stanbul, Türkiye ÖZET Cam lifi ile güçlendirilmiş alçı paneller (CLGA) modüler olarak üretilen, ince cidarlar arasında hücreler/boşluklar bulunan yarı-prefabrike kompozit sistemlerdir. Hücreler gerektiğinde beton ya da donatılı beton (betonarme) ile doldurulmakta, yalıtım katmanları ve servis (donanım) sistemlerinin kullanılmasına da olanak tanımak...
Conference Paper
Full-text available
An earthquake with a magnitude of 7.0 has occurred in the Aegean Sea between the Izmir Bay of Turkey and Samos Island of Greece. The earthquake caused collapses of several residential buildings and a total of 119 casualties. The reconnaissance team of Istanbul Technical University (ITU) visited the region just after the earthquake to find out the m...
Conference Paper
Buckling-restrained braces (BRBs) and self-centring buckling restrained braces (SC-BRBs) are robust seismic energy dissipation devices with self-centering ability achieved through shape memory alloy (SMA) for example in the later. However, the higher initial stiffness of the structure may tend to bring an irregularity on the lateral load distributi...
Conference Paper
Full-text available
Two full-scale wall samples, which were produced with glass fiber reinforced gypsum (GFRG) panels are tested under cyclic (fully reversed) loads. Dimensions of the wall samples are H=2550mm x L=3550mm x t=124mm. Edge cells of the produced wall samples were designed/detailed as small-scale columns as per the related codes. In the middle cells of one...
Chapter
Full-text available
This study presents results from a number of glass fiber reinforced gypsum (GFRG) wall specimens that were monotonically tested at an angle of 45° and under increasing vertical load. Several infill configurations are considered to see possible changes in strength, stiffness, and failure modes. Eight samples with 770 mm × 770 mm × 124 mm side dimens...
Chapter
Full-text available
Although monotonic bond tests are available in the literature, limited experimental studies exist for cyclic loading conditions. To fill this gap, this work describes results from cyclic pull-out tests of eleven specimens with Carbon Fiber Reinforced Polymer (CFRP) rebars embedded in high strength concrete (fck > 50 MPa). Six of the samples were sa...
Conference Paper
Full-text available
Although monotonic bond tests are available in the literature, limited experimental studies exist for cyclic loading conditions. To fill this gap, this work describes results from cyclic pull-out tests of eleven specimens with Carbon Fiber Reinforced Polymer (CFRP) rebars embedded in high strength concrete (fck> 50 MPa). Six of the samples were san...
Conference Paper
Full-text available
Seismic evaluation and modeling of historic brick and/or stone masonry structures are overviewed with some experiences gained from real life examples in Turkey. Structural components, their basic role in the overall behavior, damage types, and repair/retrofit possibilities are discussed. Common seismic damage types both in masonry structures and mi...
Conference Paper
Full-text available
Columns made with circular concrete-filled double skin steel tubes (CFDSTs) possess many advantages over other tubular columns due to their superior structural behavior mainly from confinement effect from the tubes to the infill concrete. Strength and ductility of such columns need to be well determined as these are significant for buildings to be...
Conference Paper
Full-text available
Current seismic and other structural codes dictate to design columns of reinforced concrete (RC) buildings to meet strict ductility requirements by essentially keeping axial stress levels at significantly lower than the real column capacities. Such design rules result in larger column dimensions/areas which might be quite comparable with the whole...
Conference Paper
Full-text available
Substantial part of heritage structures in Turkey is historic masonry arch bridges. To explore modeling issues, a numerical work has been initiated to better understand and preserve/transfer this heritage to the next eras. This paper specifically describes the influence of tensile fracture energy of stone material in determining their true load car...
Article
Full-text available
This study proposes an alternative type of seismic retrofitting method for reinforced concrete (RC) buildings with a combination of viscous dampers and elastic steel frames, designed using an equivalent linearization approach. Within the scope of the study, the effect of composite behavior between the RC and closed steel frames is also considered a...
Conference Paper
Full-text available
Natural disasters (including earthquakes) negatively impact the physical environment and human being in many ways. Among them, post disaster housing needs have triggered multidisciplinary approaches to better address and resolve this problem. The urgent need for shelter is very high, especially after a devastating earthquake. In seismically vulnera...
Article
Full-text available
Seismically retrofitting reinforced concrete (RC) building with a combination of buckling-restrained braces (BRBs) and elastic steel frames offers a practical solution that provides additional lateral stiffness and energy dissipation capacity. However, the available methods to vertically distribute the BRB sizes based on equivalent linearization do...
Article
Full-text available
A new type of buckling-restrained braces with post-tensioned cables (PT-BRB) which provide self-centering force while dissipating seismic energy is proposed. Cyclic tests have been conducted for the developed PT-BRBs, confirming that the proposed numerical model explained in Fig. 2. accurately captures the experimental data. The obtained hystereses...
Conference Paper
Full-text available
Flat cable-net facades are form-active structures which provide maximum transparency by means of point fixing components, tensioned cables, and structural glass units. In contemporary structural design methods, computational non-linear analysis is usually in use. Nevertheless, integrating full-scale experimental procedures into computational struct...
Article
There has been an increasing interest in using residual deformation as a seismic performance indicator for earthquake resistant building design. Self-centering braced structural systems are viable candidates for minimizing residual deformations following a major earthquake. Hence, this study proposes an alternative type of buckling restrained brace...
Article
In order to better evaluate the lifetime performance of glass panel facade systems, this study firstly proposes to conduct a full-scale wind resistance, air/water infiltration, and seismic resistance tests. Two specimens were designed, constructed, and tested for this purpose. A fatigue process is also applied to one of the manufactured systems in...
Article
Full-text available
Buckling-Restrained Braces (BRB) have excellent energy dissipation capacity, however, when applied to steel frames with pinned connections, it may cause damage concentration and large residual deformation due to their low post-yield stiffness. To avoid this risk, Self-Centering BRB (SC-BRB) has been proposed overseas, in which post-tensioned cables...
Article
Full-text available
(TÜRKÇE) 24 Ocak 2020 tarihinde yerel saatle 20.55’de Doğanyol (Malatya) ile Sivrice (Elazığ) arasında Mw=6.7 büyüklüğünde yıkıcı bir deprem meydana gelmiştir. Depremden yaklaşık on beş gün sonra şehir merkezleri ve kırsal kesimlerde yer alan betonarme, prefabrike, (yığma/kargir, ahşap) geleneksel binalar ve sismik yalıtımlı bir hastane yapısı yeri...
Article
Full-text available
Existing reinforced concrete (RC) buildings designed according to outdated codes may lack sufficient strength, stiffness or ductility to meet the seismic performance criteria of current codes. To enhance the system stiffness and re-centering capability, an elastically designed supplementary steel frame (SF) is installed in parallel with the BRBs. N...
Conference Paper
Full-text available
Seismic prone countries have considerably developed seismic design standards for new buildings to resist future earthquakes; however, many existing reinforced concrete (RC) buildings were not designed to appropriately resist the expected seismic effects. This study proposes a retrofit design method for RC buildings using elasto-plastic and viscous...
Article
Full-text available
The aim of this study is to examine the behavior of protected and unprotected steel–concrete composite I-beams with large cell diameters (D0/H = 0.7) and closely spaced cell configurations under the ISO 834 fire curve. Previous studies on experimental full-scale fire performances of cellular beams have been somewhat limited under vertical service l...
Article
Full-text available
Hysteretic performance of buckling restrained braces (BRBs) having various core materials, namely, steel and aluminum alloy and with various end connections are numerically investigated. As a computational tool, nonlinear finite element analyses (FEAs) are performed to better model the hysteretic behavior. For the simulation, various aspects such a...
Conference Paper
Full-text available
This paper presents an experimental investigation into possible variations of mechanical properties of structural steel and concrete in composite cellular beams exposed to ISO 834 fire and cooled down phases. Four full-scale fire tests were performed on protected and unprotected beams under assumed service loads. Tensile stress-strain behavior of s...
Article
Full-text available
Büyük açıklıklar geçebilen ve mimari davranış olarak diğer boşluklu kirişlere göre daha avantajlı olan dairesel gövde boşluklu kirişlerin üstün yapısal özelliklerine karşın yüksek sıcaklıklarda mekanik özelliklerinde önemli ölçüde azalmalar olduğu bilinmektedir. Türkiye’de ilk kez dairesel gövde boşluklu kompozit kirişlerin yangın performanslarının...
Article
Full-text available
Büyük açıklıklar geçebilen ve mimari davranış olarak diğer boşluklu kirişlere göre daha avantajlı olan dairesel gövde boşluklu kirişlerin üstün yapısal özelliklerine karşın yüksek sıcaklıklarda mekanik özelliklerinde önemli ölçüde azalmalar olduğu bilinmektedir. Türkiye’de ilk kez dairesel gövde boşluklu kompozit kirişlerin yangın performanslarının...
Article
Full-text available
Bir tür metalik sönümleyiciler olarak kabul edilen Burkulması önlenmiş Çaprazlar (BÖÇ) önemli depremlerde çekme ve basınçta akarak dengeli bir histeretik davranış gösterirler. Bu çalışmada farklı çelik uç detayı malzemesine sahip BÖÇ’lerin yön değiştiren tekrarlı yükler altındaki histeretik davranışına ilişkin deneysel bulgu ve değerlendirmeleri ve...
Article
Full-text available
This paper presents an experimental investigation into possible variations of mechanical properties of structural steel and concrete in composite cellular beams exposed to ISO 834 fire and cooled down phases. Four full-scale fire tests were performed on protected and unprotected beams under assumed service loads. Tensile stress-strain behavior of s...
Conference Paper
Full-text available
Recent efforts to minimize residual deformation in yielding systems have typically employed post-tensioning or shape memory alloys. These systems exhibit a characteristic flag-shaped hysteresis and may be designed to fully statically self-center. However, these have two important differences from the bilinear elasto-plastic behavior of conventional...
Conference Paper
Full-text available
Composite reinforcing bars (rebars) used in concrete members featuring high performance properties, such as strength and durability, could have beneficial effects on the behavior of these members. This would be especially important when a building is designed/constructed in an aggressive environment. Although tension capacity/weight (or volume) rat...
Article
Full-text available
Metallic dampers are sacrificial devices (fuses) that dissipate significant energy during earthquakes while protecting other parts of structures from possible damage. In addition to numerous implementation opportunities of other base isolation systems, U-shaped dampers (UD) are one of the widely investigated and used devices in practice especially...
Article
Full-text available
Buckling restrained braces (BRBs) display balanced hysteretic behavior under reversed cyclic tension and compression forces and dissipate a significant amount of seismic energy during credible earthquakes. This paper reports on an experimental investigation of newly developed BRBs with different core materials (steel and aluminum alloy) and end con...
Article
Full-text available
BÖÇ’lerin üretiminde kullanılan çelik malzemeye alternatif farklı bir çekirdek malzemesi olan alüminyumun kullanılma olanakları araştırılmıştır. Buradaki tipik özellikleri ile ilk defa üretilen ve denenen alüminyum alaşımlı BÖÇ’lerin, çelik BÖÇ’lere göre olası davranış verimliliğinin/üstünlüğünün irdelenmesine yönelik çalışmalardan elde edilen sonu...
Conference Paper
Full-text available
Some significant issues regarding the seismic behavior and design of buildings are given in brief. Load and resistance factor design (LRFD) is introduced and safety factors including the earthquake/ seismic effects are discussed. Analysis methods as proposed in most seismic codes are mentioned. Special consideration is given to the design earthquak...
Conference Paper
Full-text available
This paper presents results of a near full-scale experimental study of older/sub-standard reinforced concrete (RC) frames retrofitted with thin perforated steel plate shear walls (PSPSWs). As an alternative method to others, this paper investigates a retrofit concept which features a combination of perforated thin steel plate shear wall and elastic...
Conference Paper
Çok katlı çelik iskeletli yapılarda gövdesi boşluklu kompozit kirişler, kesit geometrisinin değişkenliğinden sağlanan esneklik (daire çapları, daire boşlukları arasındaki uzaklık, son yükseklik) ve ekonomik üstünlükleri nedeni ile sıkça kullanılmaktadır. Buna karşın, daire boşlukları yüksek sıcaklıklarda kirişin mekanik özelliklerinde (dayanım, rij...
Conference Paper
Full-text available
Çok katlı çelik iskeletli yapılarda gövdesi boşluklu kompozit kirişler, kesit geometrisinin değişkenliğinden sağlanan esneklik (daire çapları, daire boşlukları arasındaki uzaklık, son yükseklik) ve ekonomik üstünlükleri nedeni ile sıkça kullanılmaktadır. Buna karşın, daire boşlukları yüksek sıcaklıklarda kirişin mekanik özelliklerinde (dayanım, rij...
Conference Paper
Full-text available
This paper presents a near full-scale experimental investigation into structural fire behavior of steel-concrete composite cellular beams having a trapezoidal steel deck at elevated temperatures. Both unprotected and protected beams are considered. To compare behavioral values and possible improvement after the application of insulation, 2 cellular...
Article
Conventional approach to earthquake resistant building design relies upon strength, stiffness, and inelastic deformation capacity, which are great enough to withstand a given level of design earthquake effects. However, modern approach in today's designs aims to mitigate seismic energy before the input energy reaches the structural elements. Dissip...
Book
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PREFACE ICBEST Istanbul is the 8th of ICBEST conference series, which is focused on various aspects of building envelope design and engineering in an interdisciplinary way. Therefore, the motto of the conference is determined to be “interdisciplinary perspectives for future building envelopes”. With this, it is believed that the conference will br...
Conference Paper
Full-text available
This paper presents a numerical way for performance assessment of a widely used glass panel system in Turkey. Both structural and infiltration performances are investigated according to three selected multi-criteria decision making (MCDM) methods. The evaluation combines both the analytic hierarchy process (AHP) and the technique for order performa...
Article
International Conference on Building Envelope Systems and Technologies – ICBEST is the premier conference for attendees to benefit from the cutting-edge information on building envelope systems and technologies. ICBEST is a worldwide forum for building envelope architecture and engineering. It provides information exchange, networking, and discussi...
Conference Paper
Full-text available
Existing Reinforced Concrete (RC) buildings designed according to outdated regulations and codes may lack seismic performance (strength, stiffness, and ductility) to meet the current codes' requirements. Especially older public buildings like schools or hospitals, typically require retrofitting to ensure safety during and after a major seismic even...
Conference Paper
Full-text available
Developments in the façade technology continue with an increasing momentum due to the requirements of multi-story buildings in mega cities. In this context, panel and stick systems find a wide application area since they bring advantages for such buildings regarding the ease of construction, lightness, etc. However, right along with the advantages,...
Article
Full-text available
Strength and stiffness of panel and joint in non-diaphragm CHS-column to H-beam connection were experimentally investigated Herein, the panel means the cylindrical stub circumscribed by outer planes of the beam and the column, and the joint means the butt seam between the column wall and the beam end. Two types of specimen were tested: one is an X-...
Conference Paper
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(TÜRKÇE) Giydirme cephe sistemleri kolay yapım, hafiflik, vb. sağladığı avantajlar sayesinde özellikle çok katlı yapılarda geniş uygulama alanına sahip olmasına karşın yaşam ömrü içerisinde çeşitli problemlerle karşılaşılabilmektedir. Giydirme cephe sistemlerinde oluşan hasarlar süreç, sistem bileşen ilişkisi ve çevresel etmenlere bağlı olarak sını...
Article
Full-text available
Composite reinforcing bars (rebars) that are used in concrete members with high performance (strength and durability) properties could have beneficial effects on the behavior of these members. This is especially vital when a building is constructed in an aggressive environment, for instance a corrosive environment. Although tension capacity/weight...
Article
Full-text available
This study presents an experimental investigation into the seismic retrofit of tubular steel braces using carbon fiber reinforced polymer (CFRP) members. CFRP retrofitting of net sections for compact tubes are proposed for delaying potential local net section failure. A total of almost full-scale three (TB-1, TB-2, and TB-3) compact steel tubular s...
Conference Paper
Full-text available
Büyük açıklıklar geçebilen, mimari ve davranış olarak diğer boşluklu kirişlere göre daha üstün olan dairesel gövde boşluklu kirişlerin uygun yapısal özelliklerine karşın yüksek sıcaklıklarda mekanik özelliklerinde önemli ölçüde azalmalar olduğu bilinmektedir. Bu tür kirişlerin yangın karşısındaki davranışlarının tam olarak bilinmemesi, alınacak pas...
Conference Paper
Full-text available
Near full-scale displacement controlled reversed cyclic loading tests on Buckling Restrained Braces (BRBs) with welded and bolted end connections are performed. Different strain distributions on the surfaces of the restrainer tubes of both BRBs were compared. Comparisons reveal that both BRB types can be used with confidence as a damage control sys...
Conference Paper
Full-text available
Aluminum alloy buckling restrained braces (BRBs) could be preferable in new buildings or bridges where severe corrosion effects are expected. To the best knowledge of the authors, aluminum alloy core and outer tube BRBs having specific material and system details developed in this study are designed, produced, and cyclically tested for the first ti...
Conference Paper
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In the past, masonry aqueducts were used to convey water from one place to another to cross obstacles on the land. As a unique example, Bozdogan Aqueduct in Istanbul from the Roman time has survived to date despite many devastating earthquakes in the region over the course of time. To possibly address the true behavior of the aqueduct, a detailed s...
Conference Paper
Full-text available
Composite reinforcing bars (rebars) used in concrete members having high performance (strength and durability) properties could have beneficial effects on the behavior of such members. This would be especially important when a building is designed/constructed in an aggressive environment. Although tension capacity/weight (or volume) ratios in compo...
Conference Paper
Full-text available
Structural effectiveness of steel plate shear walls (SPSWs) is highly dependent on the development of tension field action under lateral seismic loading. This action is expected to be uniformly distributed through the entire system. This study presents a parametric investigation into planar SPSWs having different number of stories and thin plates w...
Conference Paper
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This paper presents the results obtained from cyclic tests of two identical, almost full-scale buckling restrained braces (BRBs). Fabrication of gusset plates, data of material properties and detailed drawings were provided by the producer. Two specimens (labeled as BRB-1 and BRB-2) with large diameter pinned end connections, and having rectangular...
Article
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Unitized curtain wall systems have been widely seen on high-rise buildings’ facades by bringing benefits with regard to ease of construction, lightness, etc. However, some design and application problems related to structural and infiltration performance of a facade system might arise during its life cycle, which is difficult for the building to co...
Article
Full-text available
Unitized curtain wall systems have been widely seen on high-rise buildings' facades by bringing benefits with regard to ease of construction, lightness, etc. However, some design and application problems related to structural and infiltration performance of a facade system might arise during its life cycle, which is difficult for the building to co...
Conference Paper
Full-text available
Due to their high corrosion resistance, composite rebars could be preferred in the next generation concrete structures designed and constructed especially in aggressive environments. Also, other beneficial properties of composite rebars are that they have high tensile capacity and light weights. This study presents an experimental investigation int...
Conference Paper
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(TÜRKÇE) Uç birleşimleri kaynaklı, tam ölçekli Burkulması Önlenmiş Çaprazların (BÖÇ) yön değiştiren tekrarlı yükler altında histeretik davranışı deneysel olarak incelenmiştir. BÖÇ'ler çekme ve basınç etkisi altında benzer eksenel dayanım, stabil ve dolu histeretik davranış göstermekte ve büyük depremler sırasında diğer yapısal elemanlardaki hasar d...
Conference Paper
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(TÜRKÇE) Erdemli, Mersin’de bulunan Aslanlı Taş Köprüsü, restorasyon çalışmalarına ışık tutmak üzere, yapısal olarak incelenmiştir. Köprü tek açıklıklı, taş kemerli olarak yığma kargir taşıyıcı sistem ile inşa edilmiştir. Mevcut durumda köprünün bir bölümü göçmüştür; ayakta kalan bölümlerde ise yer yer duvar ve taş çatlakları ile yüzey bozulmaları...
Conference Paper
Full-text available
Unitized curtain wall systems have been widely seen on high-rise building façade by bringing benefits with regard to ease of construction, lightness, etc. However, some design and application problems related to structural and infiltration performance of a façade system might arise during its life cycle, which are difficult for the building to comp...
Article
Unitized curtain wall systems have been widely seen on high-rise buildings' facades by bringing benefits with regard to ease of construction, lightness, etc. However, some design and application problems related to structural and infiltration performance of a facade system might arise during its life cycle, which is difficult for the building to co...
Conference Paper
Full-text available
In recent years, significant developments have been achieved in repair, strengthening, and seismic retrofit of ancient cultural heritage buildings and other structures in Turkey. This paper focuses on some applications which are thought significant as case studies. Keywords: seismic retrofit; historic masonry; tension stresses
Conference Paper
Full-text available
This study describes a comparative experimental study into partially retrofitted steel tubular braces using advanced composites, and a steel-core buckling restrained brace (BRB). Retrofitting the locally critical sections of a tubular brace (both at net and mid-span sections) with CFRP members are proposed for both delaying local buckling and poten...
Conference Paper
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Intense research is being done in the field of Buckling-Restrained Brace (BRB) technology to seek more cost effective and reliable solutions. To investigate performance under cyclic loading, two full scale steel-core BRB specimens (labeled as TURKBRACE BRB-SCI and TURKBRACE BRB-SCII) with simple end details have been designed to AISC specification,...
Conference Paper
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This paper presents real time and full-scale performance tests applied on an outdoor test rig in order to evaluate a unitized façade system's long term structural (load bearing) and infiltration performances under repeated loading (fatigue process) histories. Tests have been conducted in accordance with TS EN 13830 and AAMA 501.4 standards. In the...
Conference Paper
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Tarihi yapılar, Türkiye’de uzun yıllardır çeşitli onarım ve yatay/düşey yükler altındaki davranışını iyileştirme yöntemleri kullanılarak güvenlik düzeyleri özgün durumlarındaki güvenlik durumuna getirilmiştir. Bu tür yapıların hasar düzeylerinin derecesine göre kullanılabilecek iyileştirme yöntemine karar verebilmek için kapsamlı bir çalışma yapılm...
Conference Paper
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Türkiye'de sıkça kullanılan malzemelerden üretilen burkulması önlenmiş çelik çaprazların (BÖÇ) histeretik davranışı deneysel olarak incelenmiştir. Bunun için bir adet BÖÇ numunesi AISC yönetmeliklerine göre tasarlanmış ve yerdeğiştirme kontrollü olarak kopma oluşuncaya kadar denenmiştir. Numunenin tasarım kriterleri göz önünde bulundurularak yapıla...