Location
Chicago, Illinois
Date
04 May 2013, 10:30 am - 11:30 am
Abstract
The study area, Erbaa, is one of the largest towns of Tokat with a population of 47000 in the northern part of Turkey. Erbaa is in North Anatolian Fault Zone (NAFZ) and partly located on the Kelkit river plain, also referred to as the Erbaa basin. After the disastrous 1942 earthquake (Ms=7.2), the settlement area was seriously damaged and moved farther southwards of its old place in 1944. Dynamic properties of Erbaa soils were determined and shear wave velocity profiles were prepared to be used in site response analyses as part of a microzonation study. During this process, empirically-based shear wave velocities were calculated and site-specific formulas were proposed. 1-D equivalent linear site response analyses were performed in accordance with site-specific grid model using ProSHAKE (v.1.12) software. The amplification ratio was calculated on the basis of site amplification method using soil/bedrock ratio to obtain amplification factors (AF) for the study area. Amplification factors from 1-D site response analyses mostly vary within a range of approximately 1.5-2.5 in the study area.
Department(s)
Civil, Architectural and Environmental Engineering
Meeting Name
7th Conference of the International Conference on Case Histories in Geotechnical Engineering
Publisher
Missouri University of Science and Technology
Document Version
Final Version
Rights
© 2013 Missouri University of Science and Technology, All rights reserved.
Creative Commons Licensing
This work is licensed under a Creative Commons Attribution-Noncommercial-No Derivative Works 4.0 License.
Document Type
Article - Conference proceedings
File Type
text
Language
English
Recommended Citation
Akin, Muge K.; Kramer, Steven L.; and Topal, Tamer, "Evaluation of Site Amplification of Erbaa, Tokat (Turkey)" (2013). International Conference on Case Histories in Geotechnical Engineering. 23.
https://scholarsmine.mst.edu/icchge/7icchge/session04/23
Evaluation of Site Amplification of Erbaa, Tokat (Turkey)
Chicago, Illinois
The study area, Erbaa, is one of the largest towns of Tokat with a population of 47000 in the northern part of Turkey. Erbaa is in North Anatolian Fault Zone (NAFZ) and partly located on the Kelkit river plain, also referred to as the Erbaa basin. After the disastrous 1942 earthquake (Ms=7.2), the settlement area was seriously damaged and moved farther southwards of its old place in 1944. Dynamic properties of Erbaa soils were determined and shear wave velocity profiles were prepared to be used in site response analyses as part of a microzonation study. During this process, empirically-based shear wave velocities were calculated and site-specific formulas were proposed. 1-D equivalent linear site response analyses were performed in accordance with site-specific grid model using ProSHAKE (v.1.12) software. The amplification ratio was calculated on the basis of site amplification method using soil/bedrock ratio to obtain amplification factors (AF) for the study area. Amplification factors from 1-D site response analyses mostly vary within a range of approximately 1.5-2.5 in the study area.
