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Determination of environmental load factors for ISO 19902 code in offshore Malaysia using FORM structural reliability method

Environmental load factor, used for the design of Jacket platform design in Malaysia, are based on calibration of platforms located in Gulf of Mexico and North Sea. This load factor is assumed to be high for locations where moderate climate governs i.e. regions lying near equator like Malaysia which...

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Main Author: ., Z Nizamani, VJ Kurian, MS Liew
Format: Article
Published: 2014
Subjects:
TA Engineering (General). Civil engineering (General)
Online Access:http://eprints.utp.edu.my/12091/
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spelling my.utp.eprints.120912017-04-06T02:28:36Z Determination of environmental load factors for ISO 19902 code in offshore Malaysia using FORM structural reliability method ., Z Nizamani, VJ Kurian, MS Liew TA Engineering (General). Civil engineering (General) Environmental load factor, used for the design of Jacket platform design in Malaysia, are based on calibration of platforms located in Gulf of Mexico and North Sea. This load factor is assumed to be high for locations where moderate climate governs i.e. regions lying near equator like Malaysia which is at 7° north of the equator. For Jacket platforms, safety can be achieved by taking into consideration of hazards produced by rare events of wave, wind and current. Environmental loads are not like live loads acting on land-based structure but are more severe due to unpredictable weather conditions. These environmental loads can act with unexpected severity on offshore structures. Material strength of tubular components and joints plays significant role against risk. The resistance can also be reduced because of damage to Jacket, continuous action of wave forces causing fatigue and corrosion. Four platforms from three different regions of Malaysia were selected for the reliability analysis. Probabilistic techniques were used to evaluate and estimate the load and resistance uncertainty. FORM method of reliability was used for structural reliability analysis of Jackets. Modified environmental load factor is proposed for offshore Malaysia considering component, joint and system reliability analysis based on calibration. 2014-12 Article PeerReviewed ., Z Nizamani, VJ Kurian, MS Liew (2014) Determination of environmental load factors for ISO 19902 code in offshore Malaysia using FORM structural reliability method. Determination of environmental load factors for ISO 19902 code in offshore Malaysia using FORM structural reliability method . (Submitted) http://eprints.utp.edu.my/12091/
institution Universiti Teknologi Petronas
building UTP Resource Centre
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Petronas
content_source UTP Institutional Repository
url_provider http://eprints.utp.edu.my/
topic TA Engineering (General). Civil engineering (General)
spellingShingle TA Engineering (General). Civil engineering (General)
., Z Nizamani, VJ Kurian, MS Liew
Determination of environmental load factors for ISO 19902 code in offshore Malaysia using FORM structural reliability method
description Environmental load factor, used for the design of Jacket platform design in Malaysia, are based on calibration of platforms located in Gulf of Mexico and North Sea. This load factor is assumed to be high for locations where moderate climate governs i.e. regions lying near equator like Malaysia which is at 7° north of the equator. For Jacket platforms, safety can be achieved by taking into consideration of hazards produced by rare events of wave, wind and current. Environmental loads are not like live loads acting on land-based structure but are more severe due to unpredictable weather conditions. These environmental loads can act with unexpected severity on offshore structures. Material strength of tubular components and joints plays significant role against risk. The resistance can also be reduced because of damage to Jacket, continuous action of wave forces causing fatigue and corrosion. Four platforms from three different regions of Malaysia were selected for the reliability analysis. Probabilistic techniques were used to evaluate and estimate the load and resistance uncertainty. FORM method of reliability was used for structural reliability analysis of Jackets. Modified environmental load factor is proposed for offshore Malaysia considering component, joint and system reliability analysis based on calibration.
format Article
author ., Z Nizamani, VJ Kurian, MS Liew
author_facet ., Z Nizamani, VJ Kurian, MS Liew
author_sort ., Z Nizamani, VJ Kurian, MS Liew
title Determination of environmental load factors for ISO 19902 code in offshore Malaysia using FORM structural reliability method
title_short Determination of environmental load factors for ISO 19902 code in offshore Malaysia using FORM structural reliability method
title_full Determination of environmental load factors for ISO 19902 code in offshore Malaysia using FORM structural reliability method
title_fullStr Determination of environmental load factors for ISO 19902 code in offshore Malaysia using FORM structural reliability method
title_full_unstemmed Determination of environmental load factors for ISO 19902 code in offshore Malaysia using FORM structural reliability method
title_sort determination of environmental load factors for iso 19902 code in offshore malaysia using form structural reliability method
publishDate 2014
url http://eprints.utp.edu.my/12091/
_version_ 1738656008688893952
score 13.211869

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