Title

Prediction of inclined cable galloping using a 2DOF aeroelastic model

Document Type

Conference Proceeding

Publication Date

1-1-2014

Publication Title

Bridge Maintenance, Safety, Management and Life Extension - Proceedings of the 7th International Conference of Bridge Maintenance, Safety and Management, IABMAS 2014

First Page

1786

Last Page

1793

Abstract

Dry inclined cable galloping is an aerodynamic instability phenomenon of bridge stay cables under no precipitation condition. Its occurrence has been observed in a few wind tunnel tests. Thus, although the existence of the phenomenon has not been fully confirmed from bridge site, it should not be disregarded due to the possible satisfaction of its onset conditions in field and the resulted serious consequence. To better understand the underlying mechanisms associated with this phenomenon, a 2DOF aeroelastic model will be proposed in the current paper in the context of a 2DOF rigid circular cylinder in unsteady wind. Efforts will be made to identify the instability range associated with dry inclined cable galloping in terms of the relation between the reduced wind speed and the Scruton number. © 2014 Taylor & Francis Group.

DOI

10.1201/b17063-274

ISBN

9781138001039

Link to Full Text

Share

COinS