An investigation on the evaluation of dynamic soil characteristics of the Elazig City through the 1-D equivalent linear site-response analysis

  • Y. Bulent Sonmezer
  • Murat Celiker
  • Selcuk BasEmail author
Original Paper


Consideration of the effects of the site response in the design of civil structures systems is of important to mitigate the damages to a certain extent on structures and the environment. Hence, it is relatively crucial to reliably attain the dynamic soil parameters of an earthquake-prone city/state. In the current study, a comprehensive investigation on the dynamic soil properties of the city of Elazig with very close proximity to the East Anatolian Fault Zone (EAFZ) having a high potential of producing destructive earthquakes is carried out. Performing probabilistic seismic hazard analysis (PSHA), the moment magnitude of the city is determined as Mw = 7.7 according to 10% probability of exceedance in 50 years. Bedrock-level acceleration spectra is developed utilizing different attenuation relationships for the city, and 1-D equivalent linear site response analysis is conducted on an example soil profile of the city through the SHAKE2000 software considering 16 earthquake motions recorded at the bedrock level. Local surface acceleration spectra obtained from the analysis are then compared to the design spectra of the Turkish Seismic Code for Buildings (TSCB) and Eurocode-8 (EC8) in an attempt to identify the difference between the code spectra and local surface spectra. In addition, in situ geotechnical tests of standard penetration and seismic refraction are conducted at different locations of the study area. Incorporating the results from the field tests into the site response analysis, the soil amplification factor, predominant soil period, peak ground acceleration and spectral maps for the period of T = 0.2 and T = 1.0 s are obtained for the study area. The outcomes from the analysis reveals that structures with higher vibration period than T = 1.0 s are subjected to lower spectral acceleration (Sa), whereas higher Sa values can be used for those with a vibration period lower than T = 0.2 s.


Site response analysis Local surface response spectrum Seismic hazard analysis Soil amplification Spectral acceleration 



The authors highly appreciate the engineering firms of AKARE Planlama Müş. Mim. Müh. İnş., Ltd. Şti. and Elazığ Jeoteknik for their help conducting field tests in the study area.


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  • Y. Bulent Sonmezer
    • 1
  • Murat Celiker
    • 2
  • Selcuk Bas
    • 3
    Email author
  1. 1.Department of Civil Engineering, Faculty of EngineeringKirikkale UniversityKirikkaleTurkey
  2. 2.9th Regional Directorate, General Directorate of State Hydraulic WorksElazigTurkey
  3. 3.Department of Civil Engineering, Faculty of EngineeringBartin UniversityBartinTurkey

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