Browsing Ph.D. Theses by Title

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  • Negotiating with qualitative preferences: methods for generating bids effectively 
    Aydoğan, Reyhan. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    This thesis studies automated bilateral service negotiation in which a consumer and a producer agent negotiate on a particular service in a distributed environment. The key challenges of automated service negotiation that ...
  • Nonlinear finite element modeling of reinforced concrete structural walls 
    Güllü, Muhammet Fetih. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    A relatively simple finite element modeling approach–referred to as the Fixed-Strut- Angle Finite Element (FSAFE) Model–is proposed in this thesis for simulating the hysteretic lateral load behavior of reinforced concrete ...
  • Nutrient export coefficient modelling of the Melen Watershed using estimated retention in the water body 
    Akıner, Muhammed Ernur. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    The Melen Watershed provides fresh drinking water to most of Istanbul. According to The Ministry of Forest and Water Works of Turkey, regarding the pollution status, Melen River Basin should be primarily dealt with. Nutrient ...
  • Optimization modeling for a steel structure project with multiple sourcing points and stochastic delivery times 
    İleri, O. Serkan. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    Due to the consolidation trends in steel industry and advancements in logistics, steelmakers now face the challenge of choosing the most cost-effective sourcing network for a steel structure project. This research deals ...
  • Parameters affecting the permeability of bentonite-granular soil mixtures 
    Karaoğlu, Selçuk. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    Clay is the natural material which is very effective when used as a liner for waste disposal because of its extremely low permeability. As the clay is used to prevent the leakage of hazardous wastes by minimizing the flow ...
  • 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 ...
  • 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 ...
  • Radial basis function model of navier - stokes equations for water waves 
    Tokmak, Yavuz. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2018, 2018.)
    In this study a numerical model using the radial basis function collocation method (RBFCM) is developed for water wave propagation described by the Navier-Stokes equations. For the test cases, two dimensional horizontal ...
  • 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 ...
  • Reliability assessment of a reinforced concrete chimney under seismic and wind loading by using structural health monitoring 
    Tokuç, Mehmet Orçun. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    This study presents the reliability assessment of a 100.5 m tall reinforced con- crete chimney at a glass factory under earthquake and wind loading by using structural health monitoring (SHM) tools. Ambient vibration ...
  • Reliability-based seismic assessment of masonry arch bridges 
    Gönen, Semih. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2020., 2020.)
    Masonry arch bridges form a noteworthy portion of road and railway networks in the world, especially in Europe and Turkey. Structural assessment of such bridges is required because of their vulnerability to seismic actions. ...
  • Seismic assessment of transmission towers 
    Kırkpınar, Erdinç. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2022., 2022)
    In the 21st century, necessity for the electricity is growing more and more every day. In order to transfer huge amount of electricity, engineering is nding its way between mountains, rivers and valleys with the help of ...
  • Seismic behavior of geosynthetic reinforced retaining structures with cohesive backfills 
    Kılıç, İsmail Emrah. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    In this study, seismic performance of geosynthetic-reinforced modular block retaining walls back lled with cohesive, ne grained clay-sand soil mixture was investigated. Four model walls were constructed and shaking table ...
  • Seismic retrofitting of RC beam-column joints using composite materials 
    Kaya, Osman. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    Many of the existing reinforced concrete structures built prior to 1999 have deficient design details due to their non-seismic design or construction flaws. These structures are at risk of collapse under severe earthquakes. ...
  • Shear behavior of geosynthetic encased columns embedded in soft soils 
    Erdurak, Murat Cenk. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    In this study, the static and cyclic shear behavior of ordinary and geosynthetic encased columns embedded in soft soils are investigated. In the former researches, it was seen that the shear behavior of geosynthetic encased ...
  • Shrinkage of concrete 
    Menteşe, Behlül Murat. (Behlül Murat Menteşe thesis (Phd) Robert College, 1938, [1938])
  • 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 ...
  • 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 ...
  • 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 ...
  • Strength and dilatancy of anisotropic cohesionless soils 
    Abadkon, Arshiya. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    Peak friction angle and critical state friction angle are two key parameters representing the shear strength of cohesionless soils. Peak friction angle of sand is a function of critical state friction angle and dilatancy ...

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