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Settlement behaviour of concrete faced rockfill dams : a case study
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Date
2005
Author
Özkuzukıran, Rıza Savaş
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In this study settlement behaviour of Kürtün dam, which is the first concrete faced rockfill dam in Turkey, is investigated. Two dimensional plane strain finite element analyses are carried out in order to determine the total stresses and displacements during construction and reservoir filling conditions. Hardening soil model is used in order to represent the non-linear, inelastic and stress dependent behaviour of rockfill material. Material model parameters are selected mainly referring to the previous studies on the dams consisting of similar materials. Calculated stresses and settlements are compared with the observed values and in general, they were found to be in good agreement for the construction stages. It is seen that, due to the relatively narrow valley and steep abutment slopes, arching is a significant parameter as far as the stresses and settlements are concerned. For the reservoir impounding condition, calculated settlements were found to be slightly larger than the observed values, which may indicate that during the reservoir impounding, the rockfill embankment behaves in a stiffer manner as compared to that of during construction stages.
Subject Keywords
General Engineering.
URI
http://etd.lib.metu.edu.tr/upload/12605835/index.pdf
https://hdl.handle.net/11511/14904
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Graduate School of Natural and Applied Sciences, Thesis
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R. S. Özkuzukıran, “Settlement behaviour of concrete faced rockfill dams : a case study,” M.S. - Master of Science, Middle East Technical University, 2005.
