EFFECT OF LOCAL JOINT FLEXIBILITY (LJF) IN STRUCTURAL ASSESSMENT OF AGEING JACKET OFFSHORE PLATFORM

Many fixed steel offshore platforms installed around the globe has exceeded or is approaching the end of design life. In many operating areas, there is an attraction to continue using these ageing facilities dues to continued production or as an adjoining structure to facilitate a new field devel...

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Main Author: Azhar, Muhammad Nur Iman
Format: Final Year Project
Language: English
Institution: Universiti Teknologi Petronas
Record Id / ISBN-0: utp-utpedia.22992 /
Published: Universiti Teknologi PETRONAS 2017
Subjects:
TA Engineering (General). Civil engineering (General)
Online Access: http://utpedia.utp.edu.my/22992/1/FYP%20Disssertation%20Report%20-%2018878%20%28Iman%20Azhar%29.pdf
http://utpedia.utp.edu.my/22992/
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spelling utp-utpedia.229922022-03-07T08:32:13Z http://utpedia.utp.edu.my/22992/ EFFECT OF LOCAL JOINT FLEXIBILITY (LJF) IN STRUCTURAL ASSESSMENT OF AGEING JACKET OFFSHORE PLATFORM Azhar, Muhammad Nur Iman TA Engineering (General). Civil engineering (General) Many fixed steel offshore platforms installed around the globe has exceeded or is approaching the end of design life. In many operating areas, there is an attraction to continue using these ageing facilities dues to continued production or as an adjoining structure to facilitate a new field development or expansion. The structure of the Jacket Type Offshore Platform (JTOP) are mainly connection of tubular members. To justify the life extension of the fixed platforms, various integrity assessment techniques are often used. One of the major techniques used is based on the phenomenon of Local Joint Flexibility (LJF). Although LJF is well known in the offshore industry since the early 1980s, little proven data is available. A static structural analysis has been done using ANSYS software to study the flexibility of the offshore tubular joint in a rigid state. Deformation at the joint and stresses in the members of K -joint are investigated. The joint is assumed to be in flexible condition which is subjected to tension and compression to determine the deformation and stresses. Universiti Teknologi PETRONAS 2017-09 Final Year Project NonPeerReviewed application/pdf en http://utpedia.utp.edu.my/22992/1/FYP%20Disssertation%20Report%20-%2018878%20%28Iman%20Azhar%29.pdf Azhar, Muhammad Nur Iman (2017) EFFECT OF LOCAL JOINT FLEXIBILITY (LJF) IN STRUCTURAL ASSESSMENT OF AGEING JACKET OFFSHORE PLATFORM. Universiti Teknologi PETRONAS. (Submitted)
institution Universiti Teknologi Petronas
collection UTPedia
language English
topic TA Engineering (General). Civil engineering (General)
spellingShingle TA Engineering (General). Civil engineering (General)
Azhar, Muhammad Nur Iman
EFFECT OF LOCAL JOINT FLEXIBILITY (LJF) IN STRUCTURAL ASSESSMENT OF AGEING JACKET OFFSHORE PLATFORM
description Many fixed steel offshore platforms installed around the globe has exceeded or is approaching the end of design life. In many operating areas, there is an attraction to continue using these ageing facilities dues to continued production or as an adjoining structure to facilitate a new field development or expansion. The structure of the Jacket Type Offshore Platform (JTOP) are mainly connection of tubular members. To justify the life extension of the fixed platforms, various integrity assessment techniques are often used. One of the major techniques used is based on the phenomenon of Local Joint Flexibility (LJF). Although LJF is well known in the offshore industry since the early 1980s, little proven data is available. A static structural analysis has been done using ANSYS software to study the flexibility of the offshore tubular joint in a rigid state. Deformation at the joint and stresses in the members of K -joint are investigated. The joint is assumed to be in flexible condition which is subjected to tension and compression to determine the deformation and stresses.
format Final Year Project
author Azhar, Muhammad Nur Iman
author_sort Azhar, Muhammad Nur Iman
title EFFECT OF LOCAL JOINT FLEXIBILITY (LJF) IN STRUCTURAL ASSESSMENT OF AGEING JACKET OFFSHORE PLATFORM
title_short EFFECT OF LOCAL JOINT FLEXIBILITY (LJF) IN STRUCTURAL ASSESSMENT OF AGEING JACKET OFFSHORE PLATFORM
title_full EFFECT OF LOCAL JOINT FLEXIBILITY (LJF) IN STRUCTURAL ASSESSMENT OF AGEING JACKET OFFSHORE PLATFORM
title_fullStr EFFECT OF LOCAL JOINT FLEXIBILITY (LJF) IN STRUCTURAL ASSESSMENT OF AGEING JACKET OFFSHORE PLATFORM
title_full_unstemmed EFFECT OF LOCAL JOINT FLEXIBILITY (LJF) IN STRUCTURAL ASSESSMENT OF AGEING JACKET OFFSHORE PLATFORM
title_sort effect of local joint flexibility (ljf) in structural assessment of ageing jacket offshore platform
publisher Universiti Teknologi PETRONAS
publishDate 2017
url http://utpedia.utp.edu.my/22992/1/FYP%20Disssertation%20Report%20-%2018878%20%28Iman%20Azhar%29.pdf
http://utpedia.utp.edu.my/22992/
_version_ 1741195892198735872
score 11.62408

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