Page 147 - Reliability and Maintainability of In service Pipelines
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(2005)  al.  (2009)  Folkman

                                            2010
                                  References  (2011)  Gabriel  (2011)  Gabriel  2  9295,  BS  et  Gorenc  Melchers  and  Moser  (2008)




                                         5 1:3ð1:67P s C L 1 P W Þ D o  5L 3  384EI  P s  W c  1  D m  D m







                                  Stress  F y  T cr  0:05D i  5  Y max  W t  5 R w  P cr


                                                 (2005)  Folkman

                                      (2011)  (2011)  2010  al.  et  (2009)  and
                                  Reference  Gabriel  Gabriel  9295,  BS  Gorenc  Melchers    Moser  EI  (2008)  m









                                  Resistance  2D f EΔYy 0 S f 1  M n 5  D 2  m  2 ΔÞϕ  T a 5 F y ðW t  KD L W c 1 P s ÞD m  ð  ΔX 5  8EI 1 0:061E 0  D 3  m  P s L 3  5  Y  250EI  Δ 5 aT b  ffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffi r     1 32R w B 0 E s D 3  5  P  S f


                               Formulation  failure  deflection





                               Functions  Mechanism  failure  failure  thrust  deflection  Longitudinal  failure  failure Buckling



                               State  Flexural  Wall  Ring  failure  Leakage

                               Limit  Failure  State  Limit

                               5.4    Limit  Serviceability
                               TABLE  Ultimate  State
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