Dynamic wind effects on suspension and cable-stayed bridges

A Larsen, GL Larose - Journal of Sound and Vibration, 2015 - Elsevier
Cable supported bridges are flexible structures which may be excited into oscillations by the
wind. The excitation forces acting on cable supported bridges are aerodynamic by nature …

The influence of gap-and chord-widths for multi-box girders: superposition of flat plate flutter derivatives and section model tests

MS Andersen, MB Eriksen, SV Larsen… - Journal of Fluids and …, 2022 - Elsevier
A two dimensional model based on the superposition of Theodorsen's flat plate theory
generalized to approximate the aeroelastic effects on an arbitrary multi-box bridge girder is …

Flutter derivatives from free decay tests of a rectangular B/D= 10 section estimated by optimized system identification methods

MS Andersen, O Øiseth, J Johansson, A Brandt - Engineering Structures, 2018 - Elsevier
The present paper suggests a hybrid system identification method to estimate the flutter
derivatives from coupled free vibration tests. An optimized covariance-based method is used …

Aerodynamic instability investigations of a novel, flexible and lightweight triple-box girder design for long-span bridges

MS Andersen, A Brandt - Journal of Bridge Engineering, 2018 - ascelibrary.org
The present paper investigates the possibilities for avoiding classical flutter and static
divergence for very long-span suspension bridges with a novel, flexible, and lightweight …

[PDF][PDF] Non-flutter design principle for twin boxes

MS Andersen, JR Læsø, M Lenius… - Proc., 14th Int. Conf. on …, 2015 - researchgate.net
Cable supported bridges may become aerodynamically unstable at low wind velocities if
they are not designed properly. Increasing spans generally reduces the critical flutter wind …

[PDF][PDF] Implementation of the non-flutter design principle

MS Andersen, E Sahin, B Laustsen, M Lenius… - Proc., IN-VENTO, XIII …, 2014 - core.ac.uk
The non-flutter design principle is introduced. Aerodynamically stable section model tests
performed by three different research groups indicate, that flutter might be avoided if the …

Identification of flutter derivatives by forced vibration tests

A Šarkić-Glumac, R Hoffer, S Brčić - Građevinar, 2017 - grafar.grf.bg.ac.rs
Results of an experimental study related to flutter phenomenon are presented in the paper.
Two cross-sections are considered: a rectangular cross-section and a typical symmetric …

A novel structural modification to eliminate the early coupling between bending and torsional mode shapes in a cable stayed bridge

NA Nariman - Frontiers of Structural and Civil Engineering, 2017 - Springer
In this paper, a novel structural modification approach has been adopted to eliminate the
early coupling between the bending and torsional mode shapes of vibrations for a cable …

[PDF][PDF] Recent advances and challenges for the non-flutter design principle

MS Andersen, A Brandt - 2017 - auckland.figshare.com
A novel triple box girder design have been developed and is presented in the present paper.
It performs aerodynamically stable up to 88 m/s at a torsional-to-vertical frequency ratio of …

[PDF][PDF] Identifikacija parametara treperenja testovima prisilnih vibracija

AŠ Glumac, R Höffer, S Brčić - buildmagazin.casopis-gradjevinar.hr
Results of an experimental study related to flutter phenomenon are presented in the paper.
Two cross-sections are considered: a rectangular cross-section and a typical symmetric …