Yazar "Kalkan, Ilker" için İnşaat Mühendisliği Bölümü listeleme
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Behaviour of brick infill walls strengthened with expanded steel plates
Cumhur, Alper; Altundal, Adil; Kalkan, Ilker; Aykac, Sabahattin (Springer, 2016)The present study was dedicated to investigate an effective, economical and convenient method for strengthening brick infill walls, i.e. the use of externally-bonded expanded steel plates. A total of 30 plastered wall ... -
Discussion on "Seismic capacity of masonry infilled RC frame strengthening with expanded metal ferrocement" by A. Leeanansaksiri, P. Panyakapo, A. Ruangrassamee [Eng. Struct. 159 (2018) 110-127]
Aykac, Sabahattin; Ozbek, Eray; Kalkan, Ilker; Aykac, Bengi (Elsevier Sci Ltd, 2018)A discussion on the paper by Leeanansaksiri et al. (2018) is presented. In the paper, strengthening of the masonry infill walls using ferrocement reinforced with standard expanded steel plates (EMS) was investigated ... -
Effect of shrinkage restraint on deflections of reinforced self-compacting concrete beams
Kalkan, Ilker; Lee, Jong-Han (Korean Society Of Civil Engineers-Ksce, 2013)This paper presents the results of a study aimed at investigating the effects of restrained shrinkage on the in-plane deflection behavior of reinforced beams cast with self-compacting concrete. The load-deflection data ... -
Effects of the use of the surface spectrum of a specific region on seismic performances of R/C structures
Sonmezer, Y. Bulent; Kalkan, Ilker; Bas, Selcuk; Akbas, S. Oguzhan (Springer, 2018)The present study pertains to the estimation of the significance of the use of the local acceleration spectrum of a region rather than the design spectra based on the linear time-history analyses of real structures in the ... -
The effects of vertical earthquake motion on an R/C structure
Bas, Selcuk; Kalkan, Ilker (Techno-Press, 2016)The present study investigated the earthquake behavior of R/C structures considering the vertical earthquake motion with the help of a comparative study. For this aim, the linear time-history analyses of a high-rise R/C ... -
Engineering plastic gripping mechanism for tension testing of FRP bars
Basaran, Bogachan; Yaka, Harun; Kalkan, Ilker (SAGE PUBLICATIONS LTD, 2020)A new grip adaptor, made of an engineering plastic Cast Polyamide 6 (PA6G), was developed for tension testing of FRP reinforcing bars. The new adaptor offers several advantages over conventional anchors, including the ease ... -
Experimental and Analytical Investigation of Lateral-Torsional Buckling of RC Beams with Geometric Imperfections
Lee, Jong-Han; Kalkan, Ilker (Trans Tech Publications Ltd, 2014)The design of reinforced concrete beams has usually focused on the ultimate flexural capacity and disregarded the lateral stability of the beams. However, the development of high-strength concrete and the implementation ... -
Flexural Behavior and Strength of Reinforced Concrete Beams with Multiple Transverse Openings
Aykac, Bengi; Aykac, Sabahattin; Kalkan, Ilker; Dundar, Berk; Can, Husnu (Amer Concrete Inst, 2014)Reported are the results of experiments on 10 rectangular reinforced concrete (RC) beams with and without multiple web openings. The effects of opening geometry, the-use of longitudinal stirrups in the posts between the ... -
Flexural behavior of RC beams with regular square or circular web openings
Aykac, Bengi; Kalkan, Ilker; Aykac, Sabahattin; Egriboz, Yusuf Emre (Elsevier Sci Ltd, 2013)This paper presents a study aimed at investigating the influence of multiple web openings along the length of an RC beam on its flexural behavior. A total of nine rectangular beams were tested. Diagonal reinforcement around ... -
Flexural strengthening and repair of RC slabs by adding a new RC layer
Aykac, Sabahattin; Kalkan, Ilker; Tankut, Tugrul (Ernst & Sohn, 2016)The present paper summarizes the findings of an experimental programme to investigate a strengthening/repair technique through the introduction of a new RC layer to an existing slab. Six RC slabs, composed of twelve ... -
In-Plane Flexural Behavior Of Reinforced Concrete Beams With Regular Openings
Kalkan, Ilker (Gazi Univ, Fac Engineering Architecture, 2014)The presence of multiple regular openings in beams provides an effective design by allowing passage of the pipes and ducts needed for different services in a building and by distributing the stress concentrations around ... -
Influence of special plaster on the out-of-plane behavior of masonry walls
Donduren, Mahmut Sami; Kanit, Recep; Kalkan, Ilker; Gencel, Osman (Techno-Press, 2016)The present study aimed at investigating the effect of a special plaster on the out-of-plane behavior of masonry walls. A reference specimen, plastered with conventional plaster, and a specimen plastered with a special ... -
Investigation on variables affecting bond strength between FRP reinforcing bar and concrete by modified hinged beam tests
Basaran, Bogachan; Kalkan, Ilker (ELSEVIER SCI LTD, 2020)Abstract The bond strength between FRP reinforcement and concrete significantly affects the load bearing capacity and deformation ability of an FRP reinforced concrete member subjected to bending. There are numerous ... -
Lateral stability of reinforced-concrete beams with initial imperfections
Kalkan, Ilker; Bocek, Meryem; Aykac, Sabahattin (Ice Publishing, 2016)The paper presents the results of an analytical study aimed at investigating the lateral stability of reinforced-concrete (RC) beams with initial geometric imperfections. Based on the experimental results in the literature, ... -
Mechanical properties and microstructure of cement multicomponent systems containing pozzolan materials under sulfate attack
Guzelkucuk, Selahattin; Demir, Ilhami; Sevim, Ozer; Kalkan, Ilker (STOWARZYSZENIE PRODUCENTOW CEMENTU, 2020)Sulfates are a significant chemical components that may lead to failures of cement concrete composites. The present study is dedicated to analyzing the effects of sulfate on the microstructure of cement composite mortars. ... -
Microstructural properties of lithium-added cement mortars subjected to alkali-silica reactions
Demir, Ilhami; Sevim, Ozer; Kalkan, Ilker (Indian Acad Sciences, 2018)Little comparative research has been done on the efficiency of lithium additives to reduce the alkali-silica reaction (ASR) expansion. To reduce the ASR effects of reactive aggregate, different mortar bars were obtained ... -
New Experimental Setup for Seismic Testing of Exterior RC Beam-Column Joints
Aykac, Sabahattin; Kalkan, Ilker (Amer Soc Testing Materials, 2015)Exterior beam-column joints are commonly tested to investigate the influence of different strengthening and repair techniques on the seismic performances of RC structures. All of the internal forces developing at the ends ... -
A numerical and analytical study on distortional buckling of doubly-symmetric steel I-beams
Kalkan, Ilker; Buyukkaragoz, Alper (Elsevier Sci Ltd, 2012)This study investigates the effect of web distortions in a lateral distortional buckling mode on the buckling moments of doubly-symmetric steel I-beams. Analytical buckling moment expressions applicable to both elastic and ... -
Recommendations for calculation of strengthened brick walls with perforated plates
Ozbek, Eray; Aykac, Bengi; Can, Husnu; Kalkan, Ilker; Aykac, Sabahattin (Gazi Univ, Fac Engineering Architecture, 2019)There are many studies relating to the strengthening of infill brick walls, which contribute partially to the resistance against the seismic forces, by using different methods and materials to make them behave similarly ... -
Restrained shrinkage cracking of self-consolidating concrete roads
Akgungor, Ali Payidar; Sevim, Ozer; Kalkan, Ilker; Demir, Ilhami (Walter De Gruyter Gmbh, 2018)The present study is dedicated to investigate the liability of continuously reinforced concrete pavement (CRCP) cast with self-consolidating concrete (SCC) to restrained shrinkage cracking and the values of restraint ...