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Publications
Publications (32)
In this paper, new formulations to predict the change in mechanical properties, namely, post-yield stiffness and characteristic strength of lead rubber bearings (LRBs) at low ambient temperatures, are proposed based on test results. Proposed formulations consider not only the effect of low temperature but also the effect of exposure time to low tem...
The extraction of building inventory information is vital for damage assessment and planning and modelling studies. In the last few years, the conventional data extraction for building inventory was overcome using various remote sensing data and techniques. The main objectives of this study were to supply the necessary data for the structural engin...
Effective post-event emergency management contributes substantially to communities' earthquake resilience, and one of the most crucial actions following an earthquake is building damage assessment. On-site inspections are dangerous, expensive, and time-consuming. Remote sensing techniques have shown great potential in localizing the most damaged re...
Flat-slab is a reinforced concrete slab supported directly by columns without beams. Since there are no beams in the system, the load transfer between the vertical structural system components is only possible with the reinforced concrete slab. Therefore, the earthquake behavior of flat-slab buildings is not so good and is considered risky to be ap...
https://authors.elsevier.com/a/1cSXkW4G4R6KK (free access till 13th March).
The fundamental period is an essential parameter in the force-based design of buildings as it defines the spectral acceleration and thus the base shear force to which the building should be designed. The fundamental period can be computed based on modeling or utilizing si...
In order to prevent serious damages from a possible earthquake and to determine the possible losses, in settlements under earthquake risk, it is very important to extract building inventory information for further determination of the performance of existing buildings. As conventional methods, such as field investigations, can be time-consuming and...
![Figure 1. Seismic hazard map of Turkey [4]](profile/Abide-Asikoglu/publication/334094188/figure/fig1/AS:774777023262721@1561732645307/Seismic-hazard-map-of-Turkey-4_Q320.jpg)
![Figure 7. Dynamic-based assessment of the structure, adapted from [10]](profile/Abide-Asikoglu/publication/334094188/figure/fig3/AS:774777023234052@1561732645540/Dynamic-based-assessment-of-the-structure-adapted-from-10_Q320.jpg)
Finite Element Modeling (FEM) and Operational Modal Analysis (OMA) is herein presented for the historical masonry Kütahya Kurşunlu Mosque within the framework of its seismic performance assessment. The historical structure is located in Turkey which has a high-level seismic activity. A FEM strategy was adopted to construct a numerical model of the...
The fundamental vibration period of a building is a crucial parameter for earthquake engineering. The equivalent seismic lateral force is determined from a design spectrum in most static design methods. Accordingly, the earthquake force is a function of the fundamental vibration period of the building. The fundamental period of an existing building...
The accuracy of the vibration measurements is directly related to testing equipment. There are some reasons that affect the performance of instruments like sensitivity, internal noise level, temperature, pressure etc. The influence of instruments should be considered in vibration recordings. There are too many products on the market. For the resear...
This study aims at evaluating the performance of repairing technique with CFRPs in recovering cyclic performance of damaged columns in flexure in terms of structural response parameters such as strength, dissipated energy, stiffness degradation. A 2/3 scaled substandard reinforced concrete frame was constructed to represent the substandard RC build...
This study aims at evaluating the performance of repairing technique with CFRPs in recovering cyclic performance of damaged columns in flexure in terms of structural response parameters such as strength, dissipated energy, stiffness degradation. A 2/3 scaled substandard reinforced concrete frame was constructed to represent the substandard RC build...
A 2/3 scaled substandard reinforced concrete frame was constructed to represent the substandard RC buildings especially in developing countries. These substandard RC buildings possess several structural deficiencies such as strong beam-weak column phenomenon, improper reinforcement detailing and poor material properties such as low strength concret...
Lately,
IR thermography is frequently applied for important purposes in monitoring
buildings such as energy leaking, ventilating and air-conditioning
installations, electrical and mechanical installations, moisture detection etc.
Nondestructive monitoring methods are essential in case of monitoring
historical buildings. It is curtail not to destruc...
The aim of this study is to examine whether it is possible to estimate the building periods with respect to the building heights in the urban scale seismic performance assessment studies by using the building height retrieved from the unmanned aerial vehicle (UAV) data. For this purpose, a small area, which includes eight residential reinforced con...
The majority of existing buildings are not safe against earthquakes in most of the developing countries. Existing building stocks should be assessed with a seismic safety assessment method before a devastating earthquake. Cheaper and quicker rapid seismic safety assessment methods can be used instead of code-based assessment methods to determine th...
There are some common problems of collapsed or heavily damaged buildings in past earthquakes, most of these problems are defined as irregularities and structural defects in many design codes. The presence of irregularities and structural defects affect the seismic performance of the building negatively. Some of these irregularities and structural d...
Deprem tehdidi altındaki bölgelerde, mevcut yapıların yaşanabilecek büyük bir depremde nasıl performans göstereceği hızlı bir şekilde belirlenmeli ve gerekli önlemler alınmalıdır. Çeşitli fayların etki alanında bulunan ve geçmiş büyük depremlerde zarar görmüş olan Eskişehir de bu bölgelerden biridir. Eskişehir kent merkezinde bulunan binaların depr...
Bu çalışmada, kolon uçlarında plastik mafsal oluşumu nedeniyle eğilme hasarı almış betonarme bir çerçeve, CFRP (Carbon-Fiber-Reinforced Polymer) ile sarılarak yapısal olarak onarımı gerçekleştirilmiştir. Yapısal onarım aşamalarının betonarme çerçevenin rijitliğine olan etki oranlarının belirlenmesi için deneysel bir çalışma yapılmıştır. Bu kapsamda...
Anadolu'da farklı mimari ve yapısal özelliğe sahip birçok Osmanlı minaresi yer almaktadır. Ancak kapalı şerefeli mimariye sahip minare örneklerine oldukça nadir rastlanmaktadır. Bu yüzden bu türdeki minarelerin olası depremlere karşı korunması amacıyla sismik analizden önce yapım tekniğinin araştırılması, dinamik karakteristiğinin belirlenmesi gere...
During 1999 Kocaeli Earthquake, many reinforced concrete (RC) buildings collapsed and caused life and property loss. These buildings have some common problems, which are defined as irregularities and structural defects in many national codes. There are numerous buildings have those irregularities and structural defects in Turkish existing building...
The majority of the existing buildings are not safe against earthquakes in most of the developing countries. Before a devastating earthquake, existing buildings need to be assessed and the vulnerable ones must be determined. Determining the seismic performance of existing buildings which is usually made with collecting the attributes of existing bu...
Lately IR thermography is frequently applied for important purposes in monitoring buildings such as energy leaking, ventilating and air-conditioning installations, electrical and mechanical installations, moisture detection etc. It can be also used for monitoring buildings without project and learn about their construction without destroying the bu...
Eskişehir kent merkezinde bulunan binaların deprem performanslarının belirlenmesi ve binalar ile ilgili önemli verilerin kayıt altına alınması amacıyla bina envanteri çalışması gerçekleştirilmiştir. Çalışma 8 mahalleyi kapsayan bir pilot bölgede yürütülmüştür. Konut tipi betonarme binalar irdelenmiştir. Binalarda bulunan yapısal kusurlar ve düzensi...
![Fig 2. (a) Plan view of the building, (b) section cut of the building [15]](profile/Onur-Kaplan-4/publication/281751688/figure/fig1/AS:543256929685504@1506533953128/a-Plan-view-of-the-building-b-section-cut-of-the-building-15_Q320.jpg)
Infill walls are non-structural elements, which are mainly used for architectural purposes. Besides contribution of infill walls is ignored during the structural analysis, the effect of the infill walls are usually taken into account through the application of additional loads and masses appropriately distributed along the interfaces between the su...
Contribution of infill walls on stiffness of a building is not considered during the structural
analysis in general, as these elements are considered to be essentially no load bearing capacity.
In doing so, the stiffness and strength contribution of the latter elements as well as their
interaction with the members of the RC frame are ignored. To ex...
21.yüzyıl dünyasındaki en önemli sorunların başında küresel anlamda ortaya
çıkan çevre kirliliği ve küresel iklim değişiklikleri gelmektedir. Küresel iklim değişiklikleri ve buna
bağlı olarak ortaya çıkan seller, taşkınlar, fırtına ve kasırga hasarları, orman yangınları, kuraklık ve
çölleşme gibi sorunlar yaşam alanlarımızı oldukça önemli ölçüde te...
In this study, structural defects of existing 709 reinforced concrete (RC) buildings in Eskisehir Province were represented. Structural defects such as gaps between adjacent buildings, strong beam-weak column, mezzanine floor, short column, corner column, discontinuous frame, anchorage beams, long span, segregation, corrosion, inconvenient column/b...
zet Yaklaşık 10 km enindeki Eskişehir Vadisinin kuzey ve güney sınırlarında, erken açılma tektoniği dönemlerine ait DB doğrultulu normal faylar, yüzey jeolojisi çalışmalarıyla kolayca gözlenebilse bile, yaklaşık 300 metre kalınlığındaki Eskişehir Vadisi çökelleri üzerinde, KB-GD doğrultulu genç, doğrultu-atımlı faylar hemen gözlenmeye hazır değildi...
In this study, one of the softwares which is commonly used in civil engineering
for analyzing, design and drawing the reinforced concrete structures has been examined.
In our country an official control organization of such softwares does not exist. Aim of
this study is to check the projects, which are prepared by the engineers using such a
softwar...
Projects
Projects (3)
According to the Disaster and Emergency Management Presidency (DEMP), 117 citizens lost their lives, and 1032 were injured in the buildings destroyed and severely damaged in the earthquake off the coast of İzmir on 30 October 2020, bringing the current building stock to the public agenda. It was also seen in the Izmir earthquake that the most crucial reason why earthquakes turn into disasters is that buildings that are not resistant to earthquakes are destroyed or severely damaged, causing loss of life and property. One of the most critical reasons buildings collapses in an earthquake causing loss of life and property, is the buildings' structural irregularities and defects. In this project, the effects of the soft-story and weak-story irregularities, which are very common in our country, will be examined on reinforced concrete buildings' earthquake behavior using ambient vibration measurements. It is planned to develop an empirical equation to estimate the fundamental building period depending on the building height used to design such buildings and determine seismic performances.
The aim of this project is to determine the building height, building area, and building construction year data using remote sensing data and techniques, which are necessary for seismic vulnerability assessment studies of existing buildings planned to be carried out on an urban scale and which are expensive, time-consuming and labor-intensive to collect with traditional methods. The data extracted from the remote sensing data and techniques will be further processed in a Geographical Information System (GIS) for building inventory.
