Liquefaction Potential Analysis and Mapping of Alluvium Soil: A Case Study in Nazilli-Aydın (West Turkey)

Year 2020, Volume: 16 Issue: 1, 15 - 23, 27.03.2020

Hayrullah Yürekli Öznur Karaca

Abstract

The importance of urban planning for sustainable
cities is indispensable. For this, the preparation of geotechnical maps,
especially, comes to the agenda. Liquefaction susceptibility mapping is
important for towns located in first-degree earthquake regions. This study
investigated the susceptibility to liquefaction in a possible earthquake in
Nazilli (Aydın) county in light of geologic and geotechnical studies. In line
with this, firstly drilling was completed at 110 points, with experiments
performed on location and geotechnical properties determined in soil samples
taken during this process. Generally, the county is founded on alluvial soils
with groundwater very close to the surface. This situation makes it important
to determine the liquefaction status of the town during a possible earthquake.
The liquefaction potential (FL) of the study area was determined with the
simplified SPT based method and additionally the liquefaction potential index
(LI) was calculated. Using this data and an ArcGIS program, the FL and LI maps
of the study area were prepared. According to the results obtained, the
majority of the study area has very high liquefaction potential index.

Keywords

Nazilli, Standard Penetration Test, liquefaction potential, liquefaction potential index

Supporting Institution

Çanakkale Onsekiz Mart Üniversitesi

Project Number

BAP, 2010/165

Thanks

This study was produced from a master thesis with the title ‘Paleoflood Analysis in Saricay (Çanakkale) and Flood Areas with Geographic Information Systems (GIS)’, and it was supported by Çanakkale Onsekiz Mart University Scientific Research Coordination Unit with project no. 2010/165.

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