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All Journal Jurnal Pengembangan Energi Nuklir Eksplorium : Buletin Pusat Pengembangan Bahan Galian Nuklir
Theo Alvin Ryanto
Pusat Kajian Sistem Energi Nuklir-BATAN
Decision Sciences, Operations Research & Management Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Social Sciences

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Sediment Thickness Estimation in Serpong Experimental Power Reactor Site Using HVSR Method Theo Alvin Ryanto; Eko Rudi Iswanto; Yuni Indrawati; Abimanyu BW Setiaji; Hadi Suntoko
Jurnal Pengembangan Energi Nuklir Vol 22, No 1 (2020): Juni 2020
Publisher : Pusat Kajian Sistem Energi Nuklir, Badan Tenaga Nuklir Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17146/jpen.2020.22.1.5949

Abstract

A study about sediment thickness mapping was conducted in Serpong Experimental Power Reactor Site. This reactor is planned to be built in a high seismic activity area. Sediment thickness is one of many factors that could affect the site response. A high sediment deposit could amplify and prolong the earthquake waves. This condition could make the reactor building more vulnerable to seismic hazard. The sediment thickness was estimated using the microtremor HVSR method. The parameter used for sediment thickness calculation was obtained from the borehole and cross-hole seismic survey and was tested to ensure that the chosen parameter and the method were accurate. The deviation found in the borehole data was also calculated to determine the accuracy level of the calculation. The current planned location for the reactor is in a relatively low sediment deposit area with 8.8 m of thickness, however there is an area, west of the current location that might be a better location for the reactor based on the result of this study.
Pendugaan Awal Patahan di Pulau Jawa Menggunakan Anomali Gravitasi dan Riwayat Kegempaan Theo Alvin Ryanto; Hadi Suntoko; Abimanyu Bondan Wicaksono Setiaji
EKSPLORIUM Vol 40, No 1 (2019): Mei 2019
Publisher : Pusat Teknologi Bahan Galian Nuklir - BATAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (921.238 KB) | DOI: 10.17146/eksplorium.2019.40.1.5470

Abstract

ABSTRAKInformasi mengenai keberadaan patahan sangat diperlukan dalam perencanaan pembangunan industri, terutama pada perencanaan tapak Pembangkit Listrik Tenaga Nuklir (PLTN). Penelitian ini bertujuan untuk membuat dugaan awal keberadaan patahan di Pulau Jawa dengan menggunakan data anomali gravitasi udara bebas dan riwayat kegempaan. Metodologi yang digunakan adalah dengan memisahkan data anomali gravitasi regional dan residual. Data tersebut kemudian dianalisis dengan cara menarik garis kemenerusan kontras nilai anomali gravitasi regional dan residual yang memiliki kecocokan dengan kemenerusan sebaran titik episentrum gempa. Berdasarkan hasil analisis, beberapa kelurusan di Pulau Jawa diperkirakan sebagai patahan yang berarah relatif utara-selatan dan barat-timur.ABSTRACTInformation related to the fault existences is needed for industrial development planning, mainly on the Nuclear Power Plant (NPP) site planning. This study is aimed to build preliminary prediction on faults existence in Java Island by using free-air gravity and earthquakes history data. The methodologies are separating regional with residual gravity anomalies and then analyzing them by correlating the continuity of their contrast values which have similarities with the distribution of earthquakes epicenters point. Based on the analysis, some lineaments in Java Island are predicted as faults which relatively directing to north-south and west-east.
Co-Authors Abimanyu Bondan Wicaksono Setiaji Abimanyu BW Setiaji Eko Rudi Iswanto Hadi Suntoko Hadi Suntoko Yuni Indrawati