Investigation on the Effects of Uncertainties in Construction Quality on the Bursting Capacity of Submarine Pipelines
Publish place: International Journal of Coastal, Offshore and Environmental Engineering، Vol: 1، Issue: 3
Publish Year: 1396
Type: Journal paper
Language: English
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Document National Code:
JR_IJCOE-1-3_005
Index date: 17 May 2022
Investigation on the Effects of Uncertainties in Construction Quality on the Bursting Capacity of Submarine Pipelines abstract
Construction quality plays an important role in the integrity of submarine oil and gas pipelines during their lifetime. Quality of material and quality of construction contractors are two major contributors to the durability of the pipelines. The risk regarding quality material and contractors creates major concerns in durability of pipelines and has a significant impact on the optimized balance between CAPEX and OPEX in Risk-based integrity management of pipeline. In this study, the impacts of construction quality and corresponding uncertainties on the probability of failure of submarine pipelines are investigated in a reliability analysis using Monte Carlo Simulation. A sensitivity analysis is also conducted to show the important parameters within the study. The results show that the 33 percent reduction in uncertainty of construction quality has led to a reduction of more than 99 percent of the probability of failure. This indicates a high sensitivity of the probability of failure to structural uncertainty.
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Investigation on the Effects of Uncertainties in Construction Quality on the Bursting Capacity of Submarine Pipelines authors
Bahram Mehrafrooz
Offshore Structural engineering, Petroleum University of Technology
Pedram Edalat
Assistant professor, Offshore Structural Engineering Department,Petroleum University of Technology
Mojtaba Dyanati
Visiting Researcher, The University of Akron
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