Analisis Potensi Likuifaksi Pada Proyek Pembangunan Tol Yogyakarta STA 55+200 – 55+650 Berdasarkan Data SPT dengan Variasi Magnitudo Gempa

Chaerania, Andini (2025) Analisis Potensi Likuifaksi Pada Proyek Pembangunan Tol Yogyakarta STA 55+200 – 55+650 Berdasarkan Data SPT dengan Variasi Magnitudo Gempa. Undergraduate thesis, UPN Veteran Jawa Timur.

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Abstract

Yogyakarta is one of the regions prone to liquefaction. The 2006 earthquake in Yogyakarta, with a magnitude of 6.2, triggered liquefaction in the districts of Bantul, Sleman, and Klaten. Liquefaction is a condition in which solid ground loses its strength and behaves like a liquid. This study analyzes liquefaction potential using the methods of Youd & Idriss (2001), Idriss & Boulanger (2008), and the Hyperbolic Function method (2012) at points BH – 98 and BH – 101, with varying earthquake magnitudes, based on SPT data and sieve analysis results. The findings indicate that at BH – 98, which is dominated by sandy soils, the highest liquefaction potential occurs at depths of 3 – 5 m, 15 m, and 21 m during a magnitude 7 earthquake. At BH – 101, where the soil consists mainly of sandy and clayey types, significant liquefaction potential is found at depths of 3 – 9 m and 19 – 21 m under the same magnitude. Further analysis shows that the order of safety factor values from lowest to highest which corresponds to liquefaction potential from highest to lowest is: Idriss & Boulanger (2008), Hyperbolic Function (2012), and Youd & Idriss (2001).

Item Type:

Thesis (Undergraduate)

Contributors:

Contribution	Contributors	NIDN/NIDK	Email
Thesis advisor	Solin, Dian Purnamawati	NIDN0004038907	diansolin.ts@upnjatim.ac.id
Thesis advisor	Farichah, Himatul	NIDN0726129301	himatul_farichah.ts@upnjatim.ac.id

Subjects:

T Technology > TA Engineering (General). Civil engineering (General)

Divisions:

Faculty of Engineering > Departement of Civil Engineering

Depositing User:

Andini Chaerania

Date Deposited:

20 Jun 2025 03:02

Last Modified:

20 Jun 2025 03:02

URI:

https://repository.upnjatim.ac.id/id/eprint/38281