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Wednesday, July 10 • 18:10 - 18:30
HUMAN-INDUCED VIBRATION UNDER SINGLE AND MULTIPLE PEDESTRIAN WALKING

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Common practice in vibration serviceability assessment of floors is to use a single stationary pedestrian loading scenario, corresponding with a deterministic walking force as suggested by contemporary design guidance. However, slender and lightweight floor structures are susceptible to excessive vibrations origi-nating typically from multiple pedestrians walking across floors with random walking paths. Along each walking path occupants excite a structure with a range of potential walking forces and as such produce different levels of vibration response. This study presents analysis of vibration responses under different loading scenarios, i.e. single and mul-ti-person. A typical new floor structure is used to study a range of walking paths under a number of con-trolled walking tests. A multiple pedestrian loading scenario is also implemented to investigate vibration responses at various locations on the floor. The study shows that vibration responses under multiple pe-destrian loading scenario produce a higher vibration responses than those of a single person and as such they should be considered at the design stage.

Moderators
KK

kamal Kesour

PhD, Université de Sherbrooke

Authors

Wednesday July 10, 2019 18:10 - 18:30 EDT
St-Laurent 8