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Aashto Fatigue Categories: A
AASHTO LRFD fatigue detail categories A through E-prime with Constant-Amplitude Fatigue Thresholds (CAFT) in ksi and detail constant A (x10^8 ksi^3) for S-N curve fatigue design of steel bridges
| detail category | CAFT ksi (ksi) | constant A e8 ksi3 (ksi3) | detail description | standard |
|---|---|---|---|---|
| A | 24 | 250 | Base metal; rolled or cleaned surfaces; plain plate with no attachments; flame-cut edges with surface roughness less than 1000 micro-in | AASHTO LRFD 9th Ed Table 6.6.1.2.5-3; AISC Steel Bridge Design Handbook Ch.12 |
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