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Pipeline Integrity Management Under Geohazard Conditions (PIMG)

By
Mamdouh M. Salama
Mamdouh M. Salama
ConocoPhillips
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Yong-Yi Wang
Yong-Yi Wang
CRES
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Don West
Don West
Golder
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Alexander McKenzie-Johnson
Alexander McKenzie-Johnson
Geosyntec
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Azam B A-Rahman
Azam B A-Rahman
Petronas
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Guiyi Wu
Guiyi Wu
TWI
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Jens Petter Tronskar
Jens Petter Tronskar
DNVGL
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Jim Hart
Jim Hart
SSD Inc
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Bernt J. Leira
Bernt J. Leira
NTNU
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ISBN:
9780791861998
No. of Pages:
412
Publisher:
ASME Press
Publication date:
2020

When assessing geohazards for pipelines, scenarios where the pipeline may be subjected to strains well into the plastic regime is likely to be encountered. It is of importance to assess the integrity of girth welds in this respect. Most existing fracture assessment procedures were primarily developed for assessing elastic conditions, and there is a need to develop assessment models to provide more accurate estimates of the performance of girth weld with flaws subjected to large strains.

This paper presents a perspective on the development of strain-based fracture assessment procedures. There has been a significant activity in the field resulting...

INTRODUCTION
1
GENERAL ISSUES AND BASIC UNDERSTANDING OF STRAIN-BASED FRACTURE ASSESSMENT APPROACHES
2
NUMERICAL MODELLING
3
APPROACHES FOR STRAIN CAPACITY PREDICTIONS
4
RELIABILITY BASED ASSESSMENT SCHEMES
5
DISCUSSION
6
CONCLUDING REMARKS
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