Health monitoring of fluid dampers for vibration control of structures: experimental investigation

Dimitrios Konstantinidis; Nicos Makris; James M. Kelly

doi:10.1117/12.2044888

8 March 2014 Health monitoring of fluid dampers for vibration control of structures: experimental investigation

Dimitrios Konstantinidis; Nicos Makris; James M. Kelly

Author Affiliations +

Proceedings Volume 9061, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2014; 90613I (2014) https://doi.org/10.1117/12.2044888
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2014, San Diego, California, United States

Abstract

This paper presents results from a comprehensive experimental program on medium-size and large-size fluid dampers in an effort to extract their force output during cyclic loading by simply measuring the strain on the damper housing and the end-spacer. The paper first discusses the stress path within the damper and subsequently via the use of linear elasticity shows that the experimental data obtained with commercially available strain gauges yield a force output of the damper that is in good agreement with the readings from the load cell. The paper then examines the performance of a portable data acquisition system that can be used to collect and transmit data from a damper installed on a bridge to a nearby location. The data show that the proposed arrangement is promising for monitoring in-situ the force output of fluid dampers and detecting possible loss of their energy dissipation capability.

Citation Download Citation

Dimitrios Konstantinidis, Dimitrios Konstantinidis, Nicos Makris, Nicos Makris, James M. Kelly, James M. Kelly, } "Health monitoring of fluid dampers for vibration control of structures: experimental investigation", Proc. SPIE 9061, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2014, 90613I (8 March 2014); doi: 10.1117/12.2044888; https://doi.org/10.1117/12.2044888

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