Results 211 to 220 of about 449 (247)
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Pedestrian-induced vibrations on footbridges: advanced response analysis
Bridge Structures, 2007Pedestrian-induced vibrations (PIV) on footbridges, overpasses, and floors are attracting more attention by designers and are becoming as important to dynamic excitation to consider as wind and earthquakes. A key reason for this trend is the public awareness and higher performance standards set on new projects where better comfort is sought and lively ...
S. Stoyanoff +4 more
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Stability analysis of pedestrian-induced large lateral vibration on a footbridge
Structure and Infrastructure Engineering, 2020Stability analysis for pedestrian-induced vibration on footbridges is a complicated and multidisciplinary problem, which includes a series of complex mechanics, such as pedestrian–bridge interactio...
Buyu Jia +4 more
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On the Dynamics of Pedestrians-Induced Lateral Vibrations of Footbridges
2012This chapter is concerned with the problem of the large horizontal oscillations induced on slender footbridges by the motion of pedestrians, a phenomenon which involves the synchronization between the motion of walkers and that of the bridge deck. We initially review the extensive technical and scientific literature, and then we focus on two models to ...
Stefano Lenci, Laura Marcheggiani
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London Millennium Bridge: Pedestrian-Induced Lateral Vibration
Journal of Bridge Engineering, 2001The London Millennium Footbridge is located across the Thames River in Central London. At its opening on June 10, 2000, the bridge experienced pedestrian-induced lateral vibration. Observations on the day of opening and studies of video footage revealed up to 50 mm of lateral movement of the south span and 70 mm of the center span.
Pat Dallard +6 more
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A time domain method for reconstruction of pedestrian induced loads on vibrating structures
Mechanical Systems and Signal Processing, 2022The present contribution proposes a novel method for the indirect measurement of the ground reaction forces (GRF) induced by a pedestrian during walking on a vibrating structure. Its main idea is to formulate and solve an inverse problem in the time domain with the aim of finding the optimal time dependent moving point force describing the GRF of a ...
Andrei Firus +4 more
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Prediction and Control of Pedestrian-Induced Vibration in Footbridges
Journal of the Structural Division, 1982Footbridges vibrate because the forces imparted by the user are applied with the frequency of the pace and movement, however small, is therefore a forced vibration. In instances where the pace coincides with a structure resonant frequency dynamic movement can be quite large and the user may be disturbed or even alarmed.
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A Theory Treatment of Pedestrian-Induced Lateral Vibration of Structure
Journal of Dynamic Systems, Measurement, and Control, 2017The lateral excessive sway motion caused by pedestrian traffic has attracted great public attention in the past decades years. However, the theories about exploring the effect of pedestrian on the lateral dynamic properties of structure are scarce. The new contribution of this paper is that a new pedestrian-structure system is proposed for exploring ...
Qingshan Yang, Yanan Gao
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Lateral Pedestrian-Induced Vibrations of Footbridges: Characteristics of Walking Forces
Journal of Bridge Engineering, 2014The forces a walker exerts to an oscillating floor differ significantly from those exerted to a fixed floor. This is because of a natural and unconscious gait modification, deriving from the necessity of minimizing energy consumption while maintaining balance. Among other factors, these forces depend on the frequency and amplitude of oscillation of the
Francesco Ricciardelli +2 more
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Pedestrian-induced vibrations of the Clifton Suspension Bridge, UK
Proceedings of the Institution of Civil Engineers - Bridge Engineering, 2008Detailed vibration measurements were taken on the Clifton Suspension Bridge in Bristol, England to define its basic dynamic characteristics in normal conditions and then to assess its dynamic response to crowd loading; 27 vibration modes were identified with natural frequencies below 3 Hz.
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This paper is based on field measurements that were undertaken in a facility housing ultra-low level vibration sensitive equipment. The aim of these tests was to better understand the vibration transmission from an overhead pedestrian footbridge to a pile supported experimental floor and the supported vibration sensitive equipment.
D. Donald Nyawako +2 more
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D. Donald Nyawako +2 more
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