Browsing Ph.D. Theses by Issue Date

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  • Vibration isolation concept in aseismic design of structures 
    Çivi, Ahmet. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1985., 1985.)
    The phi losophy of conventional design principles is reviewed for earthquake resistant structures. It is emphasized that in order to achieve a higher degree of rei iabil ity and also to prevent the occurence of any cracking ...
  • Problems of embankment construction on soft clays 
    Çinicioğlu (Özer), Safiye Feyza. (Thesis (Ph.D.)- Bogazici University. Institute for Graduate Studies in Science and Engineering, 1986., 1986.)
    The main problems encountered in an embankment design and construction on soft cohesive soils are discussed in this study and the concepts of the critical state model are used to interpret the stress-strain behaviour and ...
  • Full scale modeling of geotextile reinforced lime stabilized cohesive soil retaining wall 
    Ismeik, Muhannad Hisham. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1996., 1996.)
    In this research, a reinforced soil retaining structure, "Kilyos Wall" is studied. It is the first known geosynthetic reinforced wall to be instrumented and tested in Turkey. Lime stabilized cohesive clay is used as a ...
  • A new test device and method: |geotextile-soil interface cylindrical test (GICT) 
    Akkol, Orkun Z. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1997., 1997.)
    The use of geosynthetics in civil engineering has covered a wide range, as they are effective in solving geotechnical problems. There has been a significant increase in the research for determination of interface friction ...
  • Arch dam-reservoir interaction modeling and application to Karakaya dam 
    Fahjan, Yasin M. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1998., 1998.)
    An effective analytical model based on the hybrid FEM-DRBEM scheme has been developed to study the fluid-structure interaction and earthquake response of arch dam-reservoir systems. Applying the substructure technique, the ...
  • Punching shear behavior of normal and high-strength concrete flat-plates 
    Özden, Şevket. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1998., 1998.)
    The use of flat-plate is becoming popular for medium rise residential and office buildings. The connection between the slab and the column in flat-plate structures is generally the most critical part. The failure of the ...
  • 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 ...
  • Ductile beam-column conneections in precast concrete moment resisting frames 
    Ertaş, Onur. (Thesis (Ph.D.)-Bogazici University.Institute for Graduate Studies in Science and Engineering, 2005., 2005.)
    Post-earthquake field investigations on precast concrete structures revealed that thelevel of damage and the poor performance of the buildings during the 1999 Kocaeli and Düzce Earthquakes in Turkey were closely related ...
  • Static and dynamic analysis of super-elliptical plates 
    Altekin, Murat. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2005., 2005.)
    This study reports the static and dynamic analysis of super-elliptical plates ofuniform thickness. There are mainly three distinct boundary conditions (clamped/simplysupportedalong the contour and point supported on the ...
  • Effect of binder composition on durability and mechanical properties of high performance self-compacting concrete 
    Baştopçu, Mehmet Emre. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 2006.)
    This study was carried out in order to investigate the effect of binder composition on fresh and mechanical properties of self-compacting concrete (SCC). Total of eight different concrete mixtures have been produced. All ...
  • Stochastic diffusion search and voting methods 
    Nircan, Ahmet Kutsi. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 2006.)
    This study compares known social choice rules in the context of agent based search and introduces two new variants of stochastic diffusion search algorithm. Performance comparison to match a correct ordering of 36 voting ...
  • Influence of shear deformations in plate bending 
    Kaya, Erdem. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 2006.)
    The influence of shear deformations in plate bending becomes significant when the ratio of the thickness to span is relatively large. However, the effects of transverse shear strains are neglected normally in classical ...
  • Infinite elements in finite element method 
    Erkal, Aykut. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    It is natural and common to idealize stress or field problems into finite element models with rigid boundaries remote from the area of interest. However, the degree of accuracy of solutions may be significantly increased, ...
  • 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 ...
  • Statics and dynamics of super elliptical homogeneous and FGM plates 
    Çeribaşı, Seyit. (Thesis (Ph.H..)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    In this study super elliptical plates are statically and dynamically analyzed. This class of plates includes a wide range of shapes varying from an ellipse to a rectangle. Although studies on the extreme boundaries of the ...
  • Investigation of dynamic behavior of geosynthetic reinforced soil retaining structures under earthquake loads 
    Enünlü, Ali Kasay. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    Due to their advantageous engineering properties and cost effectiveness large numbers of Geosynthetic-Reinforced Soil Retaining Walls (GRS-RWs) are being designed and constructed throughout the world and also in our country. ...
  • 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, ...
  • Recycled aggregate concrete at elevated temperatures 
    Çelik, Bülent. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    Recycling the demolished concrete as aggregate and reuse of the recycled aggregates in concrete can help to prevent environmental pollution and keep the natural resources. However, fresh and hardened properties of concretes ...
  • 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 ...
  • Effects of cyclic compressive loading and self healing on the mechanical and permeability properties of concrete 
    Akakın, Tümer. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    Concrete, when subjected to repeated loads, may exhibit excessive cracking and may eventually fail after a sufficient number of load repetitions, even if the maximum stress applied is less than the static strength of a ...

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