Journal
APPLIED SCIENCES-BASEL
Volume 12, Issue 4, Pages -Publisher
MDPI
DOI: 10.3390/app12041963
Keywords
seismic design; seismic response analysis; earthquake ground motion; spectral acceleration
Categories
Funding
- Inti Teknik Solusi Cemerlang (ITSC) [036/ADM.ITSC/VIII/2019]
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This study aims to propose site-specific rational earthquake ground motions (EGMs) for the seismic design of port facilities in Indonesia. By analyzing Indonesian EGM records and ground data, and conducting deconvolution analysis and seismic response analysis, EGMs at 144 port sites were obtained. The proposed EGMs significantly differ from the EGMs in the design code.
In Indonesia, infrastructure, such as port facilities, has been damaged by earthquakes. Therefore, evaluating rational earthquake ground motions (EGMs) for seismic design is necessary to mitigate earthquake disasters in the future. The EGMs in the Indonesian Seismic Code are stipulated based on the ASCE standards and not on site-specific ones. This study aims to propose site-specific EGMs for the seismic design of port facilities in Indonesia. The EGM records and ground data in Indonesia were used for analysis. The EGM incidents in the bedrock were evaluated with deconvolution analysis. The obtained EGMs were amplitude-adjusted to peak ground acceleration similar to that of the EGMs in the bedrock in the Indonesian Seismic Code. A seismic response analysis considering nonlinear soil characteristics was conducted, and 144 EGMs at port sites were obtained. Considering the variation in the obtained EGMs, we propose site-specific EGMs for the seismic design of port facilities. A comparison of the proposed EGMs with those in the design code reveals that the difference between them is significant.
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