Demartino, Cristoforo
(2014)
Aerodynamics and aeroelastic behaviour of ice-accreted bridge cables.
[Tesi di dottorato]
| Item Type: |
Tesi di dottorato
|
| Lingua: |
English |
| Title: |
Aerodynamics and aeroelastic behaviour of ice-accreted bridge cables |
| Creators: |
| Creators | Email |
|---|
| Demartino, Cristoforo | cristoforo.demartino@unina.it |
|
| Date: |
31 March 2014 |
| Number of Pages: |
490 |
| Institution: |
Università degli Studi di Napoli Federico II |
| Department: |
Strutture per l'Ingegneria e l'Architettura |
| Scuola di dottorato: |
Ingegneria civile |
| Dottorato: |
Ingegneria delle costruzioni |
| Ciclo di dottorato: |
26 |
| Coordinatore del Corso di dottorato: |
| nome | email |
|---|
| Rosati, Luciano | rosati@unina.it |
|
| Tutor: |
| nome | email |
|---|
| Pasquino, Mario | UNSPECIFIED | | Ricciardelli, Francesco | UNSPECIFIED |
|
| Date: |
31 March 2014 |
| Number of Pages: |
490 |
| Uncontrolled Keywords: |
Bridge cables; Circular cylinders; Ice accretion; Wind tunnel testing; Aerodynamic forces; Aeroelastic behavior; Galloping. |
| Settori scientifico-disciplinari del MIUR: |
Area 08 - Ingegneria civile e Architettura > ICAR/08 - Scienza delle costruzioni
Area 08 - Ingegneria civile e Architettura > ICAR/09 - Tecnica delle costruzioni |
| Aree tematiche (7° programma Quadro): |
SICUREZZA > Sicurezza delle infrastrutture e dei servizi pubblici |
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| Date Deposited: |
09 Apr 2014 12:44 |
| Last Modified: |
15 Jul 2015 01:01 |
| URI: |
http://www.fedoa.unina.it/id/eprint/9729 |
Abstract
This dissertation investigates the effects of ice accretion on the aerodynamics
and aeroelastic stability of bridge hangers and stay cables. First, a review of the
state of art on the aerodynamics of nominally circular cylinders is given. Then,
the aerodynamic behavior and accretion characteristics of ice accreted bridge
cables were experimentally studied by climatic wind tunnel tests. The aerodynamic stability was investigated using the models proposed by different authors. Furthermore a novel 3D 3-DoFs quasi-steady aeroelastic model is proposed.
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