Page 388 - Forensic Structural Engineering Handbook
P. 388
STEEL STRUCTURES 11.19
1.2
Fracture
1.0
Failure
0.8
K'r 0.6
Acceptable
0.4
Collapse
0.2
Lr cut-off
0.0
0.0 0.3 0.5 0.8 1.0 1.3 1.5 1.8 2.0
L'r
FIGURE 11.8 Failure assessment diagram showing regions of failure and acceptable behavior for
a cracked structural steel member.
1.2
Fracture
Failure
1.0
0.8 60% Deep flaw
K'r 0.6
0.4 Acceptable
Collapse
0.2
Lr cut-off
0.0
0.0 0.3 0.5 0.8 1.0 1.3 1.5 1.8 2.0
L'r
FIGURE 11.9 Failure assessment diagram illustrating the assessment points for an edge
crack in a girder flange.
