Browsing by Author "Aşkar Altay, Gülay."

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  • A method of evaluation of relationship between the safety management and overall safety performance in construction industry 
    Metinsoy, Tamer. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    Safety is crucial in construction industry. From beginning to end, the construction process is complex and characterized by a number of uncertainties and a high fatality rate. But despite its high fatality rate constructions ...
  • A recent challenge in structural steel design: progressive collapse 
    Ergüçlü, Erdem. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    Progressive collapse is a structural design challenge which was discovered 45 years ago but gained awareness in recent years. It is defined by ASCE 7-05 as the spread of an initial local failure from element to element ...
  • Analysis of fire induced forces in steel design 
    Dündar, Uğur. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    It is a very well know fact that fire may damage our structures. However, structures are not designed by taking into account its existance. Fire sourced additional loads on structures are neglected. Due to this reason, a ...
  • Behavior of reinforced earth structures under earthquakes 
    Kaya, Turgut. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    This study is focused on presenting a literature review and evaluation of types and general concepts of all earth reinforcement structures, especially reinforced earth retaining walls with metallic strip reinforcements, ...
  • Behaviour of high - rise steel buildings under lateral loads effects 
    Gamari, Emir. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    Design of high rise buildings is generally predicated on lateral forces like wind loads and earthquake loads. However high rise buildings are mostly reactive to dynamic oscillations due to wind loads because of having ...
  • Comparison and evaluation of the current building codes for earthquake resistant steel structures 
    Başaran, Mustafa Kürşat. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    In the last years, earthquake design of structures becomes an important phenomenon due to the disastrous earthquakes. Accurate modeling of the seismic action is really important to observe the real behaviour of the structure ...
  • Cyclic modeling of cold-formed steel structures with sheathed shear panels 
    Kültür, Süha. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    The technology of cold-formed steel structures has been advanced and become one of the commonly used methods over time. However, the rate of application of the method has fallen short of the mark due to the designers have ...
  • Detailed assessment study and concept retrofit design of existing typical RC buildings in Turkey by eccentrically steel braced frames 
    Shahshenas, Rahman. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    The seismic performance of selected typical exciting RC buildings in Turkey retrofitted by eccentric steel braces is investigated. Briefly, non-ductile reinforced concrete (RC) buildings have been classified into low-rise ...
  • Development of fragility curves for seismic vulnerability assessment of high-rise R/C buildings with added viscous dampers 
    Güneyisi, Esra Mete. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    The fragility curves are used to represent the probabilities that the structural damages, under various level of seismic excitation, exceed specified damage states by means of earthquake intensity-damage relations. This, ...
  • Direct displacement based design of R/C structural walls 
    Bozer, Ali. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2003., 2003.)
    It is known that the conventional code based design has some drawbacks in estimating actual structure performance which stems from inconsistency between assumed force reduction factors and actual ductility demand as well ...
  • Earthquake effects on historical masonry buildings in Üsküdar 
    Temel, Orçun Nazım. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 2006.)
    The purpose of this study is, identifying historical masonry structures in Üsküdar area and according to the known information about their history, revealing the damages occurred from the previous earthquakes. For this ...
  • Earthquake protection of Beylerbeyi Palace by reversible mixed technologies 
    Aras, Fuat. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    The historical building stock and seismic risk of Anatolia draws considerable attention of the engineers for studying the earthquake performance of these structures and investigating appropriate protection techniques. In ...
  • Experimental and numerical study on the cyclic behavior of connections in storage rack structures 
    Shahxhenas, Rahman. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    Contrary to buildings which serve live loads lower than the self-weight, storage racks support much higher live loads. In unbraced frames of storage racks, the lateral sti ness and the stability along down-aisle direction ...
  • Experimental study on the behavior of a prestressed nineteen parallel wire strand (PWS) in suspension bridges under hydrocarbon pool fires 
    İldan, Kerem Bulut. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2018., 2018.)
    Modern suspension bridges are constructed by increasing use of high perfor mance tension members in which parallel wire strand (PWS) type, has been used as a suspender (hanger) cable for long-span suspension bridges. The ...
  • Experimental study on the behaviour of an i-beam to SHS-column by t-stub bolted connection 
    Yemez, Kağan. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    In 80’s and 90’s hollow sections (HS) were mainly used in compression and tension elements of truss systems. Nowadays, architects are more and more using hollow sections in building applications where limited amount of ...
  • Fiber reinforced plastic overlay retrofit of hollow clay tile masonry infilled reinforced concrete frames 
    Hanoğlu, Kemal Burak. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering , 2002., 2002.)
    Stiffness and strength contribution of hollow clay tile infills to ductile and non-ductile reinforced concrete frames were evaluated using 1:3 scale specimens tested under quasi-static reversed cyclic seismic loads. Four ...
  • Free vibration analysis of a non-uniform free-ended beam with weighted residual methods 
    Peköz, Zeynep Çiğdem. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2005., 2005.)
    In this study the transverse vibration of a non-uniform free-ended beam is analyzedby solving its governing differential equation based on Euler-Bernoulli Theory withweighted residual methods as approximate methods. First, ...
  • Hybrid tracking controller with attached TMD 
    Bozer, Ali. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    Supplemental damping systems can be substitute for hysteretic or kinetic damping and eliminate the need for additional strength and stiffness for desired performance levels. Supplemental dampers dissipate the energy ...
  • Influence of bracing elements on the seismic response of multistorey frames 
    Çeribaşı, Seyit. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2001., 2001.)
    The aim of this study is to deal with the influence of energy dissipation devices (braces) on the seismic response of multistorey frames. A base frame and five retrofitted frames are designed. Behavior of the original and ...
  • Integration of actual behavior of fixed connections to the design of steel structures 
    Tanış, Burak. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    Unexpected failure of fully welded steel beam to column connections during the 1994 Northridge Earthquake has led the engineering community to study new design methods against seismic action of steel buildings. Semi-rigid ...

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