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01652 am a22001573u 4500 |
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53326 |
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|a dc
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1 |
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|a Koto, Jaswar
|e author
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|a Junaidi, Abdul Khair
|e author
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|a Hashim, M. H.
|e author
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|a Local buckling in end expansion of subsea pipelines
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|b Penerbit UTM,
|c 2014.
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|z Get fulltext
|u http://eprints.utm.my/id/eprint/53326/1/JaswarKoto2014_Localbucklinginendexpansion.pdf
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|a Offshore pipeline is mainly to transport crude oil and gas from offshore to onshore. It is also used to transport crude oil and gas from well to offshore platform and from platform to another platform. The crude oil and gas horizontally flows on the seabed, and then vertically flows inside the riser to the offshore platform. One of current issues of the oil and gas transportation system is an end expansion caused by the axial force. If the end expansion occurs over it limit can cause overstress to riser. This paper explores the effect of axial force toward local buckling in end expansion. In the study, development of programming in visual basic 2010 firstly was constructed using empirical equation. The programming code, then, was validated by comparing simulation result with actual data from company. As case study, the end expansion for various thicknesses of pipes was simulated. In this programming, DNV regulation is included for checking either design complied or not with regulation. However, DNV regulation doesn't have specific rule regarding the end expansion but it is evaluated under load displacement control under strain condition
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|a en
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|a TJ Mechanical engineering and machinery
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