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Stability Design for the Crane Columns of the Wind Technology Testing Center. LeMessurier Consultants Craig D. Blanchet, P.E . Eric M. Hines, PhD, P.E. Richard A. Henige, Jr., P.E., S.E. Outline. The Wind Technology Testing Center (WTTC) Stability Checks Elastic System Stability - PowerPoint PPT Presentation
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Stability Design for the Crane Columns of the
Wind Technology Testing Center
LeMessurier ConsultantsCraig D. Blanchet, P.E.Eric M. Hines, PhD, P.E.
Richard A. Henige, Jr., P.E., S.E.
Outline The Wind Technology Testing Center (WTTC) Stability Checks
Elastic System Stability Inelastic Crane Column Stability
What’s The Message? What’s Next?
The Wind Technology Testing Center (WTTC)
NWTC @ NRELNWTC @ NREL
Mystic RiverMystic River
Char
les
Rive
r
Char
les
Rive
r
Boston HarborBoston Harbor
GoogleGoogle
Mystic RiverMystic River
Tobin
Brid
ge
Tobin
Brid
ge
Bunke
r Hill
Bunke
r Hill
GoogleGoogle
GoogleGoogle
312 ft312 ft
144
ft14
4 ft
TS #1TS #1TS #2TS #2TS #3TS #3
Stability Analysis
+/- 6
0 fe
et+/
- 60
feet
Elastic System Stability
Ignore Shear Deformations
Inelastic Column Stability
Pu Hu Elastic Inelastic(Fy = 42 ksi)
Inelastic(Fy = 63 ksi)
431 kips 21.6 k 4.09 1.03 1.28 / 1.49
358 kips 21.6 k 4.92 1.24 1.79
220 kips < 21.6 k 8.01 > 2.02 >2.92
What’s The Message?
What’s Next?
