U.S. Department of Transportation
Federal Highway Administration
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Federal Highway Administration Research and Technology
Coordinating, Developing, and Delivering Highway Transportation Innovations
| REPORT |
| This report is an archived publication and may contain dated technical, contact, and link information |
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| Publication Number: FHWA-HRT-14-066 Date: September 2014 |
Publication Number: FHWA-HRT-14-066 Date: September 2014 |
The pictures of the fracture surfaces shown in figure 11 through figure 33 are highlighted with green hatching to represent the area of fatigue crack growth. Two dimensions are provided for each hatched area: the length of the crack along the outer tube perimeter (in inches) and area of the crack (inches2).
Figure 11 . Photo. Specimen 1U1 fracture surface.
Figure 12. Photo. Specimen 1U2 fracture surface.
Figure 13. Photo. Specimen 1U3 fracture surface.
Figure 14. Photo. Specimen 1U4 fracture surface.
Figure 15. Photo. Specimen 1U5 fracture surface.
Figure 16. Photo. Specimen 1U6 fracture surface.
Figure 17. Photo. Specimen 1G2 fracture surface.
Figure 18. Photo. Specimen 1G3 fracture surface.
Figure 19. Photo. Specimen 1G4 fracture surface.
Figure 20. Photo. Specimen 1G5 fracture surface.
Figure 21. Photo. Specimen 1G6 fracture surface.
Figure 22. Photo. Specimen 2U1 fracture surface.
Figure 23. Photo. Specimen 2U2 fracture surface.
Figure 24. Photo. Specimen 2U3 fracture surface.
Figure 25. Photo. Specimen 2U4 fracture surface.
Figure 26. Photo. Specimen 2U5 fracture surface.
Figure 27. Photo. Specimen 2U6 fracture surface.
Figure 28. Photo. Specimen 2G1 fracture surface.
Figure 29. Photo. Specimen 2G2 fracture surface.
Figure 30. Photo. Specimen 2G3 fracture surface.
Figure 31. Photo. Specimen 2G4 fracture surface.
