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References in periodicals archive ?
After a conventional analysis was done using idealized geometry and using a safety factor of 3 for strength, an initial semi-elliptical crack was introduced to determine the stress intensity factor of the crack-tip and the minimum fracture toughness value required for a safety factor of 3 (Fig.
Steel's CS500 threshold stress intensity factor (Fig.
The present theoretical study focuses on stress intensity factor in RC beam with double incline notches to determine the critical crack length and the fracture toughness in a shear crack.
The test procedure and data evaluation followed the ESIS TC 4 test protocol [46], with the stress intensity factor range [DELTA] K calculated according Eq.
In this paper, the distributions of the mode I and mode II stress intensity factor solutions along the fronts of the pre-existing cracks of continuous and discontinuous gas metal arc welds in lap-shear specimens are investigated by three-dimensional finite element analyses.
Fracture characteristic of concrete is determined by stress intensity factor, [K.
Cracks at elliptical holes: stress intensity factor and finite fracture mechanics solution," Eur.
infinity]] is the apparent stress intensity factor measured from the applied loads as if the CS test specimen were homogeneous (made of one material, like CT specimen).
When wing cracks just initiate, they are pure II ruptures with the stress intensity factor presented as follows:
The main point of equation (4) is that the elastic strain energy contributed by the stress singularity at the crack tip is a finite number depending on the stress intensity factor K and the size of the volume element surrounding the crack tip, i.
The reason for flaw acceptance criteria has been discussed in recent articles, where it was shown that the stress intensity factor (SIF ([K.