24,000 load in direction of cg
DESCRIPTION
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. - PowerPoint PPT PresentationTRANSCRIPT
![Page 1: 24,000 load in direction of CG](https://reader035.vdocument.in/reader035/viewer/2022062803/56814827550346895db54b78/html5/thumbnails/1.jpg)
![Page 2: 24,000 load in direction of CG](https://reader035.vdocument.in/reader035/viewer/2022062803/56814827550346895db54b78/html5/thumbnails/2.jpg)
The analysis runs in the following slides are based on a W8 x 58.0 wide beam with dimensions shown bellow.
![Page 3: 24,000 load in direction of CG](https://reader035.vdocument.in/reader035/viewer/2022062803/56814827550346895db54b78/html5/thumbnails/3.jpg)
24,000 load in direction of CG
Original design of cantilever beam section
Peak stress 85 ksi (see next sheet)
![Page 4: 24,000 load in direction of CG](https://reader035.vdocument.in/reader035/viewer/2022062803/56814827550346895db54b78/html5/thumbnails/4.jpg)
![Page 5: 24,000 load in direction of CG](https://reader035.vdocument.in/reader035/viewer/2022062803/56814827550346895db54b78/html5/thumbnails/5.jpg)
Peak stress 21 ksi
24,000 load in direction of CG
Cantilever beam section changed
![Page 6: 24,000 load in direction of CG](https://reader035.vdocument.in/reader035/viewer/2022062803/56814827550346895db54b78/html5/thumbnails/6.jpg)
Peak stress:
24,000 load in direction of CG
Adding local web increased the peak stress and moved its location as shown.
21.25 ksi (single pass)
![Page 7: 24,000 load in direction of CG](https://reader035.vdocument.in/reader035/viewer/2022062803/56814827550346895db54b78/html5/thumbnails/7.jpg)
Peak stress 19.5 ksi (single pass)
24,000 load in direction of CG
![Page 8: 24,000 load in direction of CG](https://reader035.vdocument.in/reader035/viewer/2022062803/56814827550346895db54b78/html5/thumbnails/8.jpg)
Peak stress:
21.25 ksi (single pass)
18.64 ksi (multi pass)
24,000 load in direction of CG
See next sheet for deflected shape
![Page 9: 24,000 load in direction of CG](https://reader035.vdocument.in/reader035/viewer/2022062803/56814827550346895db54b78/html5/thumbnails/9.jpg)
![Page 10: 24,000 load in direction of CG](https://reader035.vdocument.in/reader035/viewer/2022062803/56814827550346895db54b78/html5/thumbnails/10.jpg)
24,000 load normal to beam
![Page 11: 24,000 load in direction of CG](https://reader035.vdocument.in/reader035/viewer/2022062803/56814827550346895db54b78/html5/thumbnails/11.jpg)
Peak stress:
37.4 ksi (single pass)
24,000 load normal to beam
![Page 12: 24,000 load in direction of CG](https://reader035.vdocument.in/reader035/viewer/2022062803/56814827550346895db54b78/html5/thumbnails/12.jpg)
Peak stress:
36.0 ksi (single pass)
33.1 ksi (multi pass)
24,000 load normal to beam
Extended local rib
![Page 13: 24,000 load in direction of CG](https://reader035.vdocument.in/reader035/viewer/2022062803/56814827550346895db54b78/html5/thumbnails/13.jpg)
The analysis runs in the following slides are based on a W8 x 67.0 wide beam with dimensions shown bellow.
![Page 14: 24,000 load in direction of CG](https://reader035.vdocument.in/reader035/viewer/2022062803/56814827550346895db54b78/html5/thumbnails/14.jpg)
![Page 15: 24,000 load in direction of CG](https://reader035.vdocument.in/reader035/viewer/2022062803/56814827550346895db54b78/html5/thumbnails/15.jpg)
Peak stress:
24.7 ksi (single pass)
xxx ksi (multi pass)
15,600 vertical load at each lift point
![Page 16: 24,000 load in direction of CG](https://reader035.vdocument.in/reader035/viewer/2022062803/56814827550346895db54b78/html5/thumbnails/16.jpg)
11.8 ksi
24.7 ksi
9.5 ksi
13.6 ksi
![Page 17: 24,000 load in direction of CG](https://reader035.vdocument.in/reader035/viewer/2022062803/56814827550346895db54b78/html5/thumbnails/17.jpg)
![Page 18: 24,000 load in direction of CG](https://reader035.vdocument.in/reader035/viewer/2022062803/56814827550346895db54b78/html5/thumbnails/18.jpg)
Peak stress:
15,600 vertical load at each lift point
22.9 ksi (multi pass)
![Page 19: 24,000 load in direction of CG](https://reader035.vdocument.in/reader035/viewer/2022062803/56814827550346895db54b78/html5/thumbnails/19.jpg)
22.9 ksi peak stress is located in the bolt
area
![Page 20: 24,000 load in direction of CG](https://reader035.vdocument.in/reader035/viewer/2022062803/56814827550346895db54b78/html5/thumbnails/20.jpg)
Deflected shape with 15,600 vertical load at each lift point
![Page 21: 24,000 load in direction of CG](https://reader035.vdocument.in/reader035/viewer/2022062803/56814827550346895db54b78/html5/thumbnails/21.jpg)
18,000 lb vertical load at inner lift point
Peak stress is 22.9 ksi (multi pass)
![Page 22: 24,000 load in direction of CG](https://reader035.vdocument.in/reader035/viewer/2022062803/56814827550346895db54b78/html5/thumbnails/22.jpg)
Bolt stresses:
20.0 ksi14.4 ksi17.3 ksi14.4 ksi
![Page 23: 24,000 load in direction of CG](https://reader035.vdocument.in/reader035/viewer/2022062803/56814827550346895db54b78/html5/thumbnails/23.jpg)
Peak stress is 21 ksi (multi pass with bolt supperts)
Full left side, position 247 lift support
![Page 24: 24,000 load in direction of CG](https://reader035.vdocument.in/reader035/viewer/2022062803/56814827550346895db54b78/html5/thumbnails/24.jpg)
![Page 25: 24,000 load in direction of CG](https://reader035.vdocument.in/reader035/viewer/2022062803/56814827550346895db54b78/html5/thumbnails/25.jpg)
![Page 26: 24,000 load in direction of CG](https://reader035.vdocument.in/reader035/viewer/2022062803/56814827550346895db54b78/html5/thumbnails/26.jpg)
Full left side, position 247 lift support
Peak stress is 16.7 ksi (multi pass with full pad constraints)
![Page 27: 24,000 load in direction of CG](https://reader035.vdocument.in/reader035/viewer/2022062803/56814827550346895db54b78/html5/thumbnails/27.jpg)
Full left side, position 247 lift support
Peak stress is 20 ksi (multi pass with full pad constraints)
Removed local ribs on inside
![Page 28: 24,000 load in direction of CG](https://reader035.vdocument.in/reader035/viewer/2022062803/56814827550346895db54b78/html5/thumbnails/28.jpg)
Full left side, position 247 lift supportPeak stress is 20 ksi (multi pass with full pad
constraints)
Removed local ribs on inside
![Page 29: 24,000 load in direction of CG](https://reader035.vdocument.in/reader035/viewer/2022062803/56814827550346895db54b78/html5/thumbnails/29.jpg)
Full left side, position 247 lift support
Peak deflection: .003” (multi pass with full pad constraints)
Removed local ribs on inside
![Page 30: 24,000 load in direction of CG](https://reader035.vdocument.in/reader035/viewer/2022062803/56814827550346895db54b78/html5/thumbnails/30.jpg)
18,000 lb load at inner lift point only
Multi-pass run
![Page 31: 24,000 load in direction of CG](https://reader035.vdocument.in/reader035/viewer/2022062803/56814827550346895db54b78/html5/thumbnails/31.jpg)
![Page 32: 24,000 load in direction of CG](https://reader035.vdocument.in/reader035/viewer/2022062803/56814827550346895db54b78/html5/thumbnails/32.jpg)