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Existing design specifications used in the U.S. and abroad do not address the limit state of bearing failure that may govern in the design of tubular truss chords at the supports. The lack of treatment of this limit state seems to represent an unsatisfactory situation given the fact that very large concentrated reaction forces are often applied transversely to the ends of chord members with slender circular cross-sections; long-span overhead highway sign trusses are but one example of an affected application. The bearing failure limit state is manifest as a coupled failure mechanism, consisting of a plastic collapse of the chord end and local plastification of the chord wall. In order to better understand this limit state, two full-scale experimental tests are conducted at the University of Pittsburgh as part of the current research. The specimens considered are proportioned to be representative of the bearing region of an overhead sign structure that failed in the limit state under investigation.
| Autorius: | Brian Kozy |
| Leidėjas: | Scholars' Press |
| Išleidimo metai: | 2013 |
| Knygos puslapių skaičius: | 172 |
| ISBN-10: | 3639515544 |
| ISBN-13: | 9783639515541 |
| Formatas: | 220 x 150 x 11 mm. Knyga minkštu viršeliu |
| Kalba: | Anglų |
Parašykite atsiliepimą apie „Chord Bearing Capacity in Long-span Tubular Trusses: Performance of Tubular Truss Chords Under Concentrated Reactions at End Bearing Supports“
