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24,000 load in direction of CG

The analysis runs in the following slides are based on a W8 x 58.0 wide beam with dimensions shown bellow. Peak stress 85 ksi (see next sheet). 24,000 load in direction of CG. Original design of cantilever beam section. 24,000 load in direction of CG. Peak stress 21 ksi.

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24,000 load in direction of CG

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  1. The analysis runs in the following slides are based on a W8 x 58.0 wide beam with dimensions shown bellow.

  2. Peak stress 85 ksi (see next sheet) 24,000 load in direction of CG Original design of cantilever beam section

  3. 24,000 load in direction of CG Peak stress 21 ksi Cantilever beam section changed

  4. 24,000 load in direction of CG Peak stress: 21.25 ksi (single pass) Adding local web increased the peak stress and moved its location as shown.

  5. 24,000 load in direction of CG Peak stress 19.5 ksi (single pass)

  6. 24,000 load in direction of CG Peak stress: 21.25 ksi (single pass) 18.64 ksi (multi pass) See next sheet for deflected shape

  7. 24,000 load normal to beam

  8. 24,000 load normal to beam Peak stress: 37.4 ksi (single pass)

  9. 24,000 load normal to beam Peak stress: 36.0 ksi (single pass) 33.1 ksi (multi pass) Extended local rib

  10. The analysis runs in the following slides are based on a W8 x 67.0 wide beam with dimensions shown bellow.

  11. 15,600 vertical load at each lift point Peak stress: 24.7 ksi (single pass) xxx ksi (multi pass)

  12. 24.7 ksi 11.8 ksi 9.5 ksi 13.6 ksi

  13. 15,600 vertical load at each lift point 22.9 ksi (multi pass) Peak stress:

  14. 22.9 ksi peak stress is located in the bolt area

  15. Deflected shape with 15,600 vertical load at each lift point

  16. 18,000 lb vertical load at inner lift point Peak stress is 22.9 ksi (multi pass)

  17. Bolt stresses: 17.3 ksi 14.4 ksi 14.4 ksi 20.0 ksi

  18. Full left side, position 247 lift support Peak stress is 21 ksi (multi pass with bolt supperts)

  19. Full left side, position 247 lift support Peak stress is 16.7 ksi (multi pass with full pad constraints)

  20. Full left side, position 247 lift support Peak stress is 20 ksi (multi pass with full pad constraints) Removed local ribs on inside

  21. Full left side, position 247 lift support Peak stress is 20 ksi (multi pass with full pad constraints) Removed local ribs on inside

  22. Full left side, position 247 lift support Peak deflection: .003” (multi pass with full pad constraints) Removed local ribs on inside

  23. 18,000 lb load at inner lift point only Multi-pass run

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