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Browsing Ph.D. Theses by Title

Browsing Ph.D. Theses by Title

Now showing items 1-20 of 84

A biosequence based dynamic ride-matching algorithm that takes into account social factors

Aydın, Ömer Faruk. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)

Increasing traﬃc congestion and advancements in technology have fostered the growth of alternative transportation modes such as dynamic ride-sharing. Smartphone technologies enable dynamic ride-sharing, which aims to ...
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 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 ...
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 ...
A simulation-based optimization method for building thermal design

Yiğit, Sadık. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2018, 2018.)

Buildings have a remarkable impact on environment, therefore nding e cient design con gurations satisfying con icting criteria such as, economic and environmental performance has become an important task. The aim of this ...
Active wave attenuation by a submerged heaving and pitching flat plate

Mueller, Andrea. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)

Protecting the coastline and structures in its vicinity are main tasks of coastal engineering. Here an environmental-friendly and cost-efficient active submerged flat plate (SFP) breakwater is proposed. It is investigated ...
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 ...
An experimental study on the behavior of segmental pile with variable flexural rigidity

Yahia, Yasser İbrahim Osman. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)

Alternating mortar blocks and rubber pads are connected to each other by a cable passing through the center of each block to form a fixed beam/pile model with variable flexural rigidity. The fixed beam/pile model is supported ...
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 ...
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 ...
Analysis and modeling of maritime traffic and ship collision in the strait of Istanbul based on automatic vessel tracking system

Altan, Yiğit Can. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)

This thesis describes a maritime geometric collision probability model which can be used in congested narrow waterways. Geometric collision probability model is extended and applied to a spatially distributed maritime tra ...
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 ...
Analysis of the performance of retaining systems in deep excavations in greywackes

Keskin, Halis Bora. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)

Due to the economic growth, the need for high-rise buildings and shopping malls with multiple basement levels increased in Istanbul and construction of retaining structures to support deep excavations reaching 25 to 40 ...
Analytical modeling of reinforced concrete columns with lap splices

Chowdhury, Sharmin Reza. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)

A possible source of seismic failure in existing reinforced concrete structures is loss of anchorage in column reinforcement, along deficient lap splices with short lap length and inadequate transverse reinforcement ...
Application of radial basis function collocation method in groundwater flow and solute transport problems

Çiftçi, Emin. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)

Groundwater is a vital source for potable water demand, irrigation and industrial activities. For more than a century many studies in the field of hydrogeology have focused on feasible supply of groundwater. For the last ...
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 ...
Determinig and simulating the best possible system architecture of project - based ERP systems in construction industry

Çınar, Emrah. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2018., 2018.)

Even though the construction industry is one of the largest contributors to the economy, it is considered as one of the highly fragmented, inefficient, and project oriented industries. Also, the construction industry has ...
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 ...
Developing a real estate-pension fund investment ecosystem: Turkey real estate fund

Sümer, Levent. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2017., 2017.)

Real estate industry needs new and alternative ﬁnancing tools for the sustainabil ity of investments, and pension fund investors seek long-term investment instruments to invest in. Therefore, structuring a model that ...
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, ...

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