Assignment1 - CE 728 Geotechnical Earthquake Engineering...

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CE 728 Geotechnical Earthquake Engineering Department of Civil Engineering Middle East Technical University, Ankara,Turkey Assoc. Prof. Dr. K. Önder Çetin ASSIGNMENT 1 Attenuation Relationships 1) Northwestern Turkey was strongly shaken by a major earthquake on August 17, 1999 (the Izmit earthquake, M w =7.4) The fault rupture was primarily right lateral strike-slip, and the primary fault rupture reached to the surface. The surface projection of the approximate zone of energy release is shown in Figure 1. The figure also shows the location of strong ground motion stations in Marmara region. a) Predict the maximum horizontal ground acceleration at the strong ground motion stations noted on the attached Table 1. Use the Abrahamson and Silva (1996), Boore et al. (1994), and Idriss (1994) attenuation relationships. For the two stations marked with an asterisk, use the Abrahamson and Silva (1996) attenuation relationship to predict the acceleration response spectra at these sites. b) How well do these predictions compare with the ground motions recorded at
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This note was uploaded on 05/09/2008 for the course CIVIL ENGI CE 728 taught by Professor Cetin during the Fall '06 term at Middle East Technical University.

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Assignment1 - CE 728 Geotechnical Earthquake Engineering...

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