CABLE TENSIONING CONTROL AND MODAL IDENTIFICATION OF A CIRCULAR CABLE-STAYED FOOTBRIDGE

• Type: Article in International Scientific Journal
• Date: 2010

Authors

Rebelo, C (Author) Other; Julio, E (Author) Other; Varum, H (Author) FEUP; Costa, A (Author) FEUP

Journal

Title: Experimental Techniques

Vol. 34

Pages: 62-68

ISSN: 0732-8818

Publisher: Springer Nature

Indexing

ISI Web of Knowledge - 14 Citations

Scopus - 19 Citations

Scientific classification

FOS: Engineering and technology > Civil engineering

CORDIS: Technological sciences > Engineering > Civil engineering > Structural engineering

Other information

Authenticus ID: P-003-577

DOI: 10.1111/j.1747-1567.2009.00539.x

Abstract (EN): The modal identification and vibration measurements and finite element (FE) modeling of circular cable-stayed footbridge located in Aveiro, Portugal has been discussed. The vibration measurements on the bridge were planned aiming to ensure the correct installation of axial forces in the cables, to characterize the dynamic behavior of the bridge, and to obtain the response acceleration when groups of synchronized pedestrians cross the bridge. The data acquisition was performed using five roving and three reference accelerometers, including one reference vertical accelerometer at the top of the mast. The planned structural behavior of the bridge deck depends on the correct tension forces installed in the cables. The modal identification was based on the techniques of modal extraction in the frequency and time domain implemented in ARTeMIS software. The vertical acceleration induced by the ambient excitation mainly because of wind was measured on the bridge deck and on the top of the mast.

Language: English

Type (Professor's evaluation): Scientific

No. of pages: 7