Investigation of the Human-Structure Interaction on a Full Scale Experimental Footbridge

This contribution presents selected results of the numerical and experimental investigations into the effect of human-structure interaction, performed within a joint project between the Institute of Structural Mechanics and Design and the Institute of Sport Science of the TU Darmstadt (Germany). The project on the one side analyses structural responses of a full-scale experimental footbridge under pedestrian excitation and on the other side identifies human body parameters and adaptation mechanisms during walking of a human on a flexible structure. The test structure was instrumented with biomechanical force plates, a 3D motion capture system as well as several sensors for acquisition of the structural responses. An alternative method for the identification of dynamical parameters for the human body, which is modelled as a single-degree of freedom system (mass-spring-damper), is proposed. As both biomechanical and structural measurements were performed simultaneously, an accurate comparison between the measurements and common mechanical models for human-structure-interaction is possible.

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