Ph.D. Theses: Recent submissions

  • An approximate method for real time health monitoring and damage asessment of mind-to-high rise reinforced concrete buildings 
    Akalp, Selahattin. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2022., 2022)
    Two separate methods are proposed and evaluated in this study for the structural health monitoring and damage detection of mid -to-high rise reinforced concrete buildings. The first method discussed herein, aims to predict ...
  • 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 ...
  • In-soil strength and behaviour of geosynthetic reinforcements 
    Yardımcı, Tolga. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2022., 2022)
    In this study, in-soil tensile strength and behaviour of various geosynthetic re inforcements is investigated with the help of custom designed and developed in-soil tensile test apparatus in the laboratory. The proposed ...
  • 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 ...
  • Integration of public transportation using autonomous vehicles 
    Fidanoğlu, Akif. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2021., 2021.)
    While public transportation (PT) plays a critical role in urban mobility, the discomfort and the disutility of the last-mile trips make PT unattractive. We investigate the feasibility of shared autonomous vehicles (AV) ...
  • 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 ...
  • Discrete element modelling of soil-pile interaction with emphasis on soil characteristics and pile installation methodology 
    Gezgin, Ahmet Talha. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2021., 2021.)
    Soil-pile interaction is a complex geotechnical problem that requires rigorous multi-scale analyses. However, it is challenging to understand the micro aspects of this problem with either experimental approaches or ...
  • Analysis of physiological risk factors for occupational accidents in construction industry 
    Kazar, Gökhan. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2020., 2020.)
    It is a well-known fact that construction tasks require intensive physical perfor mance and continuous attention. These factors sometimes have adverse impacts on workers and stimulate construction accidents. Since it is ...
  • An investigation on force modification factors in cold-formed steel structures 
    Yurtsever, Macit. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2020., 2020.)
    Cold-formed steel (CFS) structures are a new feature in the recently effectuated 2018 Turkish Seismic Code (TSC). Their seismic design philosophy and other regulations are described within the Code. In the scope of this ...
  • Fatigue analysis of on-shore wind turbine towers 
    Ajaei, Behrouz Badrkhani. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2020., 2020.)
    A procedure for estimation of fatigue lives of bolts in flange connections of tubular steel wind turbine towers is developed in this research. The procedure includes numerical calculation of aerodynamic forces, and finite ...
  • 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. ...
  • Developing a building information modeling (BIM) effectiveness model for the Turkish construction industry 
    Çağlayan, Sedat Semih. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2020., 2020.)
    Project delivery process in the construction industry is highly fragmented and communication is mainly based on 2D drawings. Errors and emissions in the paper documents can cause unexpected costs and delays. Building ...
  • An investigation of system identification and damage estimation using modal plots, count plots and a damage indicator 
    Tufan, Tarık. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Structural Health Monitoring (SHM) aims to detect slow and/or sudden changes in a structure, and the possible damage associated with such changes, using system identification and damage detection methodologies. It ...
  • 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 ...
  • A model to evaluate the effectiveness of virtual construction safety training tool 
    Kıral, Işık Ateş. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Construction projects have become more complex. Due to this complexity, construction projects are exposed to more risks and the probability of occupational accidents on the site increases. So, the provision of safety on ...
  • Influence of grain characteristics on stress-dilatancy relationship and failure surface geometry 
    Arda, Çağdaş. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Stress-dilatancy relationships of granular soils are influenced by both mechanical and physical soil properties. However, existing empirical correlations which define the influence of dilatant behavior on soil strength ...
  • 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 ...
  • 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 ...
  • Investigation of the effects of transportation investments on real estate prices :|case study Beylikdüzü & Esenyurt 
    Şahin, Onur. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Transportation investments provide many bene ts such as economic growth and less commuter costs. The goal of this study is to determine and measure the e ect of transportation systems on real estate prices. The parameters ...
  • Study of anisotropic behavior at jointed rocks for big span underground structures with NATM philosophy 
    Koç, Mustafa. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Underground structures mainly composed in rock environment may be defined as the load-bearing structures under all loading cases. The behavior of the rock environment is the critical component in understanding the behavior ...

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