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An analysis of Değirmendere shore landslide during 17 August 1999 Kocaeli earthquake
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Date
2006
Author
Bülbül, Oğuzhan
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In this study, the failure mechanism of the shore landslide which occured at Degirmendere coast region during 17 August 1999 Kocaeli (Izmit) - Turkey earthquake is analyzed. Geotechnical studies of the region are at hand, which reveal soil properties and geological formation of the region as well as the topography of the shore basin after deformations. The failure is analyzed as a landslide and permanent displacements are calculated by Newmark Method under 17 August 1999 Izmit record, scaled to a maximum acceleration of 0.4g. There are discussions on the main dominating mechanism of failure; landslide, liquefaction, fault rupture and lateral spreading. According to the studies, the failure mechanism is a seismically induced shore landslide also triggered by liquefaction and fault rupture, accompanied by the mechanism of lateral spreading by turbulence. A seismically induced landslide is discussed and modeled in this study. The finite element programs TELSTA and TELDYN are employed for static and dynamic analyses. Slope stability analyses are performed with the program SLOPE. The permanent displacements are calculated with Newmark Method, with the help of a MATLAB program, without considering the excess pore pressures.
Subject Keywords
Disasters and Engineering.
URI
http://etd.lib.metu.edu.tr/upload/12607845/index.pdf
https://hdl.handle.net/11511/16439
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Graduate School of Natural and Applied Sciences, Thesis
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O. Bülbül, “An analysis of Değirmendere shore landslide during 17 August 1999 Kocaeli earthquake,” M.S. - Master of Science, Middle East Technical University, 2006.
