Başlık için Ph.D. Theses listeleme

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  • 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 ...
  • 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 ...
  • Dynamic behaviour of geogrid reinforced segmental block walls under earthquake loads 
    Başbuğ, Ercüment. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    This study investigates the seismic performance of geogrid reinforced segmental block walls. For this purpose, shaking table tests were performed on four ½ reduced-scale geogrid reinforced segmental block walls at Bogazici ...
  • Earthquake behavior of geosynthetic-reinforced retaining structures 
    Selek, Öznur. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    Geosynthetic-reinforced soil walls have so far shown a very good performance during earthquakes. Nevertheless, additional tests like reduced-scale shaking table testing can be useful in understanding the effects of various ...
  • 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 ...
  • Effect of bentonite slurry injection on pipe jacking forces 
    Namlı, Mücahit. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    Pipe jacking is a technique used to form tunnels by pushing prefabricated pipes through the ground from an entrance shaft to an exit shaft. The main limitation for pipe jacking method is limitation of jacking distance. ...
  • 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 ...
  • Effect of cyclic loading on connection strength of geosynthetic-reinforced structures 
    İçöz, Görkem. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    This study investigates the effect of cyclic loading over the connection strength of geosynthetic reinforced segmental (modular) block walls. For this purpose a specially designed machine has been built and reduced size ...
  • 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 ...
  • Effects of lightweight fly ash aggregate properties on the performance of lightweight concretes 
    Koçkal, Niyazi Uğur. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    Only a very small content of ash is being used for the construction applications. As large quantities of the fly ash remain unutilized in most countries of the world, the manufacture of light-weight fly ash aggregates is ...
  • Energy-based earthquake response analysis and design of reinforced concrete SDOF columns 
    Dindar, Ahmet Anıl. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    Earthquakes have claimed much more life and caused enormous financial damage in Turkey. It is the researchers’ motivation to understand the characteristic of the earthquakes and to find out how to build the structures those ...
  • Evaluating the effects of various factors on mechanical performance of self compacting - finer reinforced cementitious composites (SC-FRCCs) 
    Şanal, İrem. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    Main objective of this study was to identify the different behaviors of Self Compacting Fiber Reinforced Cementitious Composites (SC-FRCCs) in terms of fresh and hardened state performance by considering the parameters ...
  • 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 investigation and 3D cyclic finite element simulation of R/C exterior beam-column joints retrofitted with CFRP composite materials 
    Altay, Selçuk. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    The research presented attempts to develop carbon fiber reinforced polymer (CFRP) retrofitting techniques for improving existing reinforced concrete (R/C) beam-column joints designed for gravity loads only including common ...
  • 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 ...
  • 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 ...
  • 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 ...
  • Freight trip generation in urban areas 
    Günay, Gürkan. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    Freight transportation planning and modeling in general, and Freight Trip Generation (FTG) in particular, is an area that is not covered as widely as passenger transportation. FTG mechanisms are different from passenger ...
  • Frictional behavior between geosynthetic reinforcement and facing blocks 
    Karaoğlan, Halil. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    Geosynthetic reinforced soil retaining walls (primarily those with precast con- crete block facing elements) reinforced by geogrids or geotextiles are in a period of rapid growth. The construction of geosynthetic reinforced ...
  • 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 ...

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