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DEVELOPMENT OF SEISMIC MICROZONATION MAP OF MALAY BASIN FOR OFFSHORE FACILITIES

Soft soil in offshore regions may cause vibrations experienced by offshore structures, particularly the current fixed jacket platforms that were built without consideration for seismic in Malaysian waters. In order to develop a map of seismic microzonation, a map of soil amplification factors accord...

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Main Author: MOHAMAD, MAZLINA
Format: Thesis
Language:English
Published: 2023
Subjects:
TA Engineering (General). Civil engineering (General)
Online Access:http://utpedia.utp.edu.my/id/eprint/24655/1/MazlinaBintiMohamad_G03307.pdf
http://utpedia.utp.edu.my/id/eprint/24655/
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spelling oai:utpedia.utp.edu.my:246552023-06-30T07:55:37Z http://utpedia.utp.edu.my/id/eprint/24655/ DEVELOPMENT OF SEISMIC MICROZONATION MAP OF MALAY BASIN FOR OFFSHORE FACILITIES MOHAMAD, MAZLINA TA Engineering (General). Civil engineering (General) Soft soil in offshore regions may cause vibrations experienced by offshore structures, particularly the current fixed jacket platforms that were built without consideration for seismic in Malaysian waters. In order to develop a map of seismic microzonation, a map of soil amplification factors according to soil type, proposed designed horizontal response spectra and site coefficient values (Ca and Cv) for Malay basin, this study was created. For the ground response analysis of six selected seismic events with five return periods of 100, 200, 500, 1000, and 2500 years, a 1-Dimensional nonlinear analysis of layered soil (NERA) was utilised. Peak surface acceleration (PSa), the soil amplification factor, and the designed horizontal response spectral acceleration for the research area were all determined through analysis. The results demonstrate that the PSa value for soil type E is often greater than that for soil type D, and the PSa exhibits an increasing tendency when compared between a return time of 100 years and 2500 years. 2023-01 Thesis NonPeerReviewed text en http://utpedia.utp.edu.my/id/eprint/24655/1/MazlinaBintiMohamad_G03307.pdf MOHAMAD, MAZLINA (2023) DEVELOPMENT OF SEISMIC MICROZONATION MAP OF MALAY BASIN FOR OFFSHORE FACILITIES. Doctoral thesis, UNSPECIFIED.
institution Universiti Teknologi Petronas
building UTP Resource Centre
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Petronas
content_source UTP Electronic and Digitized Intellectual Asset
url_provider http://utpedia.utp.edu.my/
language English
topic TA Engineering (General). Civil engineering (General)
spellingShingle TA Engineering (General). Civil engineering (General)
MOHAMAD, MAZLINA
DEVELOPMENT OF SEISMIC MICROZONATION MAP OF MALAY BASIN FOR OFFSHORE FACILITIES
description Soft soil in offshore regions may cause vibrations experienced by offshore structures, particularly the current fixed jacket platforms that were built without consideration for seismic in Malaysian waters. In order to develop a map of seismic microzonation, a map of soil amplification factors according to soil type, proposed designed horizontal response spectra and site coefficient values (Ca and Cv) for Malay basin, this study was created. For the ground response analysis of six selected seismic events with five return periods of 100, 200, 500, 1000, and 2500 years, a 1-Dimensional nonlinear analysis of layered soil (NERA) was utilised. Peak surface acceleration (PSa), the soil amplification factor, and the designed horizontal response spectral acceleration for the research area were all determined through analysis. The results demonstrate that the PSa value for soil type E is often greater than that for soil type D, and the PSa exhibits an increasing tendency when compared between a return time of 100 years and 2500 years.
format Thesis
author MOHAMAD, MAZLINA
author_facet MOHAMAD, MAZLINA
author_sort MOHAMAD, MAZLINA
title DEVELOPMENT OF SEISMIC MICROZONATION MAP OF MALAY BASIN FOR OFFSHORE FACILITIES
title_short DEVELOPMENT OF SEISMIC MICROZONATION MAP OF MALAY BASIN FOR OFFSHORE FACILITIES
title_full DEVELOPMENT OF SEISMIC MICROZONATION MAP OF MALAY BASIN FOR OFFSHORE FACILITIES
title_fullStr DEVELOPMENT OF SEISMIC MICROZONATION MAP OF MALAY BASIN FOR OFFSHORE FACILITIES
title_full_unstemmed DEVELOPMENT OF SEISMIC MICROZONATION MAP OF MALAY BASIN FOR OFFSHORE FACILITIES
title_sort development of seismic microzonation map of malay basin for offshore facilities
publishDate 2023
url http://utpedia.utp.edu.my/id/eprint/24655/1/MazlinaBintiMohamad_G03307.pdf
http://utpedia.utp.edu.my/id/eprint/24655/
_version_ 1770553576976809984
score 13.222552

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