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Abstract- Öztürk

SEISMIC PERFORMANCE ASSESSMENT OF ORTAKÖY V409 VIADUCT

 

Ali Cem Öztürk

(Thesis  Supervisor: M. Nuray Aydınoğlu)

 

ABSTRACT

The Ortakoy V409 carries 1st Peripheral Highway and has constructed in 1973. The V409 is the last approach viaduct of First Bosphorous Bridge and has a specific role on transportation of stanbul. The existing condition, which is investigated on site, clearly shows that there are significiant damages like corrosions and etc. at whole structure due to lack of maintenance. The existing condition of structure has been evaluated by inelastic analysis method. In this dissertation, in part 1 the general descriptions have tried to be explained. In part 2; The existing conditions like dimensions and etc. have stated according to the site investigations and existing drawings. In the following part; the methods that were used in calculations explained. In part 4 the modelling procedure with the appropriate softwares and the loads that were applied in analyses have exhibited. In the final part the conclusions have stated. As a result of the time history analyses, like mentioned above, the viaduct is vulnearable due to deficiencies of ductility and detailing concepts. Existing sections can not resist the shear forces and moments occured during the earthquakes.

 
 
     
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