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Abstract
One dimensional seismic response analysis on the ground surface of the Non-Commercial Power Reactor (RDNK) site based on the mean uniform hazard spectrum (UHS) and disaggregation analysis has been conducted. The study’s objective was to perform an analysis on site-specific response spectra on the ground surface based on existing mean UHS and disaggregation data of the site that correspond to a 1,000 and 10,000 year return period of earthquakes in compliance with the national nuclear regulatory body requirements of Indonesia. Detailed site characterization was defined based on secondary data of a geotechnical drill-hole, seismic cross-hole, downhole data, and microtremor array data. The dynamic site characteristic analysis was presented along with strong motion selection and processing using two types of strong motion datasets. An investigation of strong motion selection, spectral matching, and scaling has been presented as an essential step in ground motion processing. One-dimensional equivalent linear analysis simulation was performed by computing the processed ground motions. A seismic design spectrum and ground surface response spectra from the two datasets of strong motion, both corresponding to a 10,000 and 1,000 year return period, are presented at the end of this study. This study has shown that in order to establish the appropriate seismic response design spectrum, site-specific data and seismic hazard analysis must be immensely considered.
Highlights
In 2015, the National Nuclear Energy Agency (Badan Tenaga Nuklir Nasional, BATAN) had a plan to build a non-commercial nuclear power reactor (Reaktor Daya Non-Komersial, RDNK) based on a pebble-bed reactor high-temperature gas-cooled reactor (Setiadipura, T. et al, 2018)
Data for Probabilistic Seismic Hazard Analysis (PSHA) at the site shows a mean Uniform Hazard Spectrum (UHS) at the bedrock level was acquired from a previous study (Badan Tenaga Nuklir Nasional, 2016)
The study presented the disaggregation analysis corresponding to a 10,000 year return period, which complies with the national nuclear regulatory body regulation (Badan Tenaga Nuklir Nasional, 2016)
Summary
In 2015, the National Nuclear Energy Agency (Badan Tenaga Nuklir Nasional, BATAN) had a plan to build a non-commercial nuclear power reactor (Reaktor Daya Non-Komersial, RDNK) based on a pebble-bed reactor high-temperature gas-cooled reactor (Setiadipura, T. et al, 2018). The selected site is located near (less than 1 km distance) the Serpong Nuclear Complex inside the Center for Research, Science, and Technology (Pusat Pengembangan Ilmu Pengetahuan dan Teknologi, PUSPIPTEK) area. There are numerous and complex criteria for selecting a site for a nuclear reactor and other related facilities. Data for PSHA at the site shows a mean Uniform Hazard Spectrum (UHS) at the bedrock level was acquired from a previous study (Badan Tenaga Nuklir Nasional, 2016). The study presented the disaggregation analysis corresponding to a 10,000 year return period, which complies with the national nuclear regulatory body regulation (Badan Tenaga Nuklir Nasional, 2016)
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