MATEC Web Conf.
Volume 195, 2018The 4th International Conference on Rehabilitation and Maintenance in Civil Engineering (ICRMCE 2018)
|Number of page(s)||6|
|Published online||22 August 2018|
Application of microtremor HVSR method for preliminary assessment of seismic site effect in Ngipik landfill, Gresik
Graduated student of Civil Engineering Department, Institut Teknologi Sepuluh Nopember (ITS), Surabaya, Indonesia
2 Civil Engineering Department, Institut Teknologi Sepuluh Nopember (ITS), Surabaya, Indonesia
3 Geophysical Department, Institut Teknologi Sepuluh Nopember (ITS), Surabaya, Indonesia
* Corresponding author: firstname.lastname@example.org
This paper presents an investigation based on affected areas of earthquakes based on the micro-tremor horizontal-to-vertical ratio (HVSR) method around the Ngipik Landfill, Gresik. Ngipik landfill applies an Open dumping system with no protective layer to prevent groundwater pollution. Hence, the effect of the earthquake was investigated for preliminary assessment of leachate’s leakage. The micro-tremor measurements were performed by dividing the area into a grid with a 25m distance. The predominant frequency (f0) ranges between 1.1 and 3.65 Hz and the peak of HVSR (Am) varies from 2.04 to 7.16. The vulnerability index (kg) displayed the level of soil damage due to ground motions; the highest kg values signified the weaker zones during earthquakes and also indicated the leachate spread. The result of this paper might consider to seismic stability analysis of leachate recirculation landfill.
© The Authors, published by EDP Sciences, 2018
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