Active tendon control of cable-stayed bridges

Andre J. Preumont; Frederic Bossens

doi:10.1117/12.383140

20 April 2000 Active tendon control of cable-stayed bridges

Andre J. Preumont, Frederic Bossens

Proceedings Volume 3988, Smart Structures and Materials 2000: Smart Systems for Bridges, Structures, and Highways; (2000) https://doi.org/10.1117/12.383140
Event: SPIE's 7th Annual International Symposium on Smart Structures and Materials, 2000, Newport Beach, CA, United States

Abstract

This paper presents a strategy for active damping of cable structures, using active tendons. The first part of the paper summarizes the theoretical background: the control law is briefly presented together with the main results of an approximate linear theory which allows to predict the closed- loop poles with a root locus technique. The second part of the paper reports on experimental results obtained with two test structures: the first one is a small size mock-up representative of a cable-stayed bridge during the construction phase. The control of the parametric vibration of passive cables due to deck vibration is demonstrated. The second one is a 30 m long mock-up built on the reaction wall of the ELSA test facility at the JRC Ispra (Italy); this test structure is used to demonstrate the practical implementation of the control strategy with hydraulic actuators.

Citation Download Citation

Andre J. Preumont and Frederic Bossens "Active tendon control of cable-stayed bridges", Proc. SPIE 3988, Smart Structures and Materials 2000: Smart Systems for Bridges, Structures, and Highways, (20 April 2000); https://doi.org/10.1117/12.383140

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