Issue 64

Y. Zhang et alii, Frattura ed Integrità Strutturale, 64 (2023) 171-185; DOI: 10.3221/IGF-ESIS.64.11

CMOD

crack mouth opening displacement initial cracking load unstable cracking load

ini P max P

ε

strain fracture toughness initial cracking toughness unstable cracking toughness mass between the specimen supports (converted from the total mass of the specimen by the S/L ratio gravitational acceleration crack mouth opening displacement corresponding to the unstable cracking load critical effective crack length

I K

ini IC K un IC K mg g c CMOD c a

E

elastic modulus, calculated by initial compliance of a P-CMOD curve initial flexibility thickness of holder of clip gauge

i c 0 H

SEM MIP

scanning electron microscopy mercury intrusion porosimetry

ITZ

interface transition zone

R EFERENCES

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