İvme-Ölçer istasyonları altındaki Zemin Özelliklerinin Deprem Kaydı Kullanılarak İncelenmesi: Hatay Örneği, Türkiye

Yıl 2019, Cilt: 1 Sayı: 2, 167 - 179, 18.12.2019

Şükran Perk Çağlar Özer

https://doi.org/10.46464/tdad.652332

Cited By: 3

Öz

Hatay ili ve
yakın çevresinde farklı zemin türleri üzerinde yer alan 27 adet ivme-ölçer
tarafından kaydedilen deprem verisi yardımıyla Yatay/Düşey Spektral Oran (HVSR)
yöntemi kullanılarak çalışma alanının deprem-zemin ortak davranış özellikleri
araştırılmıştır. Hatay ve yakın çevresinin HVSR büyütme değerlerinin 2-8
arasında değiştiği gözlenmektedir. İskenderun ve Dörtyol arasında, Yakacık ve
yakın çevresinde zemin büyütme değerleri 8’e kadar ulaşmaktadır. Hatay ve
çevresinde ise 4 ile 5 arasında değişmektedir. Farklı frekanslarda; 0.5 Hz’de
büyütme değerleri 1.5-3.0 arasında değişmektedir. Bu frekanstaki en büyük etki
yaklaşık 3 HVSR büyütmesi ile İskenderun sahil kesimindedir. 1.0 Hz’de Hatay
merkezde büyütme değerleri 5-6 arasında, Kırıkhan, Aktepe ve İskenderun sahil
kesiminde 3 civarındandır. 2.5 Hz’de Aktepe ve kuzeyinde gözlenen büyütmeler
ise ~6’ya kadar ulaşmaktadır.

Anahtar Kelimeler

HVSR, zemin hakim frekansı, deprem, ivme-ölçer, Hatay

Destekleyen Kurum

Atatürk Üniversitesi Deprem Araştırma Merkezine (ATA-DAM)

Teşekkür

T.C. İçişleri Bakanlığı Afet ve Acil Durum Yönetimi Başkanlığı (AFAD) Deprem Daire Başkanlığına ve bilgisayar altyapısı kullanılan Atatürk Üniversitesi Deprem Araştırma Merkezine (ATA-DAM) teşekkür eder.

Investigation of Soil Properties based on Accelerometer Stations using Earthquake Recording: The Case Study of Hatay, Turkey

Öz

The
earthquake-soil behaviour characteristics of the study area were investigated
by using Horizontal/Vertical Spectral Ratio (HVSR) method with earthquake data
recorded by 27 accelerometers in Hatay and near surroundings. It is observed
that soil amplification values ​​of Hatay and its vicinity vary from 2 to 8.
The soil amplification values reach to 8 at between Iskenderun-Dortyol and
Yakacik region. The soil amplification of Hatay and surroundings vary between
4-5. At 0.5 Hz, amplification values ​​range from 1.5 to 3.0. The largest
effect is in the coastal area of ​​Iskenderun with ~3 HVSR amplification at 0.5
Hz. Amplification ​​in city centre at 1.0 Hz is 5-6, at Kirikhan, Aktepe and
Iskenderun coast, it is ~3. At 2.5 Hz, at Aktepe and its North, it reaches ~ 6.

Anahtar Kelimeler

HVSR, fundamental soil frequency, earthquake, accelerometer, Hatay

Kaynakça

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