Issue 60

R. Karimihaghighi et alii, Frattura ed Integrità Strutturale, 60 (2022) 187-212; DOI: 10.3221/IGF-ESIS.60.14

H L

HIC spacing to the nearest HIC and/ or blister damage from edge-to-edge

Hc L Hs L

Distance of HIC damage to nearest HIC or blister in the circumferential direction.

Distance of HIC damage to nearest HIC or blister in the longitudinal direction

msd L

Distance of HIC damage to nearest major structural discontinuity.

R L

Amount of non-damaged material available for propagation of the HIC damaged area

P

load ratio based on primary stress

r L

UC L

Limit load of the component without damage.

W L

Distance of HIC damage to nearest weld joint

Amount of uniform metal loss during inspection

LOSS

t M

Folias factor

Maximum allowable working pressure of the undamaged component Maximum allowable working pressure based on circumferential stress.

MAWP

C MAWP

Maximum allowable working pressure based on Longitudinal stress.

L MAWP

r MAWP

Reduced maximum allowable working pressure of the component with HIC damage.

MFH

Maximum Fill Height

r MFH

Reduced maximum fill height

RSF

Remaining strength factor

a RSF

Allowable remaining strength factor.

s

HIC or blister size in the longitudinal direction

Allowable Stress

S

c t

Corroded wall thickness Minimum required thickness

min t

Minimum required thickness

min t

Minimum required thickness based on circumferential membrane stress

C min t

Minimum required thickness based on the longitudinal membrane stress

L min t

mm t

Minimum measured thickness of undamaged metal the HIC

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