THE EMPIRICAL ANALYSIS OF SOIL LIQUEFACTION IN IMOGIRI SITE, YOGYAKARTA, INDONESIA

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Lindung Zalbuin Mase

Abstract

A strong earthquake with magnitude of 6.3 Mw, which was later known as the Jogja
Earthquake, occurred in the southern part of Yogyakarta Special Province. The earthquake
had resulted in the huge damage to the buildings, public facilities as well as triggering the
ground failure phenomenon, which was known as liquefaction. An empirical analysis using
the conventional method was performed to investigate the liquefaction severity for the site
investigation data in Imogiri, a site with the high-level of the liquefaction damage during
the earthquake. The peak ground accelerations varied to 0.3 to 0.4g are also implemented in
the analysis. The results show that the investigated site is dominated by sandy soils. The
sandy soil in Imogiri site is categorised as the liquefiable layer during the Jogja Earthquake
and potentially to liquefy on shallow depth. In general, this study could warn the people for
the impact of soil liquefaction if the stronger earthquake happens in the future.

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How to Cite
Mase, L. Z. (2019). THE EMPIRICAL ANALYSIS OF SOIL LIQUEFACTION IN IMOGIRI SITE, YOGYAKARTA, INDONESIA. Potensi: Jurnal Sipil Politeknik, 21(1), 37-41. https://doi.org/10.35313/potensi.v21i1.1315
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