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DETERMINATION OF SAFETY AND SECURITY FACTOR OF A GAS PIPE EXHIBITING A CORROSION DEFECT BY USING SINTAP PROCEDURE COUPLING WITH PROBABILISTIC METHOD (PART I)


JALLOUF S., CARMASOL A., SCHMITT C., PLUVINAGE G.
LABORATOIRE DE FIABILITÉ MÉCANIQUE - METZ (FRANCE)

Issue:

MOCM, Number 11, Volume I

Section:

Methods And Techniques In Strain And Stress Research

Abstract:

In this paper, the goal is to compute the remaining safety and security factors after apparition of corrosion crater in a gas pipe using probabilistic approaches. For these purposes, we propose to use the failure assessment diagram SINTAP level I coupled with Monte Carlo, FORM or SORM methods.Application is made for a pipe of diameter 219,1mm and thickness 6.1mm submitted to internal pressure of70 bars. Corrosion crater is assumed to be a crack like defect of depth equal to half thickness and crack aspect ratio.

Keywords:

Monte Carlo, FORM, SORM, SINTAP, safety factors, security factors.

Code [ID]:

MOCM200511V01S01A0021 [0000320]

DOI:


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