Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Dynamic Analysis of a Pedestrian Bridge using Monitoring and Computational Techniques

Version 1 : Received: 14 November 2023 / Approved: 14 November 2023 / Online: 14 November 2023 (15:48:22 CET)

How to cite: Gamino, A.L.; Hune, R.P.; Santos, R.R.; Bragança, C.S.C.D.; Bittencourt, T.N.; Carvalho, H.; Futai, M.M. Dynamic Analysis of a Pedestrian Bridge using Monitoring and Computational Techniques. Preprints 2023, 2023110951. https://doi.org/10.20944/preprints202311.0951.v1 Gamino, A.L.; Hune, R.P.; Santos, R.R.; Bragança, C.S.C.D.; Bittencourt, T.N.; Carvalho, H.; Futai, M.M. Dynamic Analysis of a Pedestrian Bridge using Monitoring and Computational Techniques. Preprints 2023, 2023110951. https://doi.org/10.20944/preprints202311.0951.v1

Abstract

The soil-structure interaction represents an important parameter when analyzing the dynamic behavior of bridges, taking into account the integration between soil, foundation, and structure to ensure an adequate structural representation. In this paper, a computational modeling strategy using soil-structure interaction (SSI) methodology was applied to represent the dynamic behavior of a pedestrian bridge (LOP). The computational models were validated using monitoring results from an extensive structural health monitoring campaign. The bridge monitoring program was characterized using embedded sensors and cutting-edge technology for remote monitoring: ground-based radar interferometry and video motion amplification. The instrumentation results were compared to establish the capabilities and advantages of this novel remote monitoring technique. The experimental results obtained from free and forced vibrations in the asset served as a basis for validating the developed computational model and allowed evaluating the asset be-havior in service for different loading conditions. This paper emphasizes the SSI approach to represent the pedestrian bridge dynamic behavior more accurately, allowing computational models to represent the LOP structural responses over the course of its life-cycle.

Keywords

Pedestrian bridge; dynamic tests; numerical modeling; soil-structure interaction; remote monitoring.

Subject

Engineering, Civil Engineering

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