1887

Abstract

Summary

In this study, seismic refraction, Multichannel Analysis of Surface Waves (MASW), Refraction Microtremor (ReMi), Microtremor Measurements were performed to estimate site effects at 54 strong motion stations of AFAD in the Marmara region in northwestern Turkey. The stations are mainly concentrated on the northern and middle strands of the North Anatolian fault zone where devastating earthquakes over the past 100 years have occurred. For this reason, reliable site response information is required for the investigation of site effects and hazard assessment of the region. Vs profile of the investigation area was detected more than 200m of depth combining the MASW and ReMi data. H/V ratio techniques were applied to determine dominant frequency values at different magnification levels. The bearing capacity for the second layer (> 5m) of the region was figured out. Marmara region was classified according to Vs30 based NEHRP Provisions, Eurocode-8 and TBDY-2017. The dynamic engineering properties such as Poisson ratio and dynamic elasticity modulus were also determined at every AFAD local strong motion stations.

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/content/papers/10.3997/2214-4609.201702576
2017-11-05
2024-04-25
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