CD Skripsi

Analisis Potensi Likuifaksi Menggunakan Data Cpt (Program Studi Skripsi Cone Penetration Test) Di Teluk Bintuni Papua Barat

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ABSTRACT
West Papua is an eastern part of Indonesia that has great potential for
earthquakes. Eastern Indonesia's seismic activity was triggered by geographical
conditions in three major earthquake paths, namely the zone of the confluence of
the Pacific and Papua New Guinea plates, the Sorong fault line and the Tarera –
Aiduna fault (Naryanto, 2019). Bintuni Bay is one of the regencies in West Papua
Province, located between the south coast of Bird's Head and the coast of the Onin
Peninsula, facing the Seram Sea off the west coast of Papua. The Sorong fault is
one of the active faults of the earthquake source in the Bintuni Bay area
(Ciptakarya.pu, 2002). Liquefaction is one of the failures in the soil structure that
can occur due to cyclic loads or earthquake vibrations. Liquefaction is the event of
the transformation of non cohesive soil material from solid to liquid properties due
to an increase in pore water pressure in the soil cavity. The liquefaction potential
was analyzed using the Boulanger and Idriss method (2014). This method compares
the value of CSR (Cyclic Stress Ratio) with CRR (Cyclic Resistance Ratio). The
factor of safety value (FS) is used as a limit for potential liquefaction or not. If FS >
1 indicates that the soil layer has no potential for liquefaction, whereas if FS < 1
indicates a potential soil layer of liquefaction. The results of the analysis showed
that the magnitude of ≥ 5,6 Mw with soil acceleration (amax) ≥ 0,16 g has the
potential to reduce liquefaction with very low to very high categories. Coastal areas
have a higher liquefaction potential than land areas. Maximum land subsidence
estimation occurred in coastal areas worth 30,122 cm at a magnitude of 7,7 Mw
with a soil acceleration (amax) of 0,34 g.
Keywords: liquefaction, magnitude, CSR, CRR, factor of safety (FS)

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Ketersediaan

Informasi Detail

Judul Seri

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No. Panggil

1707122380

Penerbit

Pekanbaru : Universitas Riau – Fakultas Teknik – Teknik Sipil., 2022

Deskripsi Fisik

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Bahasa

Indonesia

ISBN/ISSN

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Klasifikasi

1707122380

Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

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Subjek

TEKNIK SIPIL

Info Detail Spesifik

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Pernyataan Tanggungjawab

DAUS

Versi lain/terkait

Lampiran Berkas

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