Abstract
This paper evaluates and quantifies the adverse impact of traffic-induced vibrations on the structural systems of residential buildings and their occupants. To do this, İstanbul, one of the world’s most populous and traffic-congested cities, was selected as a case study. Firstly, a survey was conducted on 100 occupants of six neighbourhoods to understand human perception of vibrations and the physical condition of typical buildings. Then, train-induced ground vibrations were measured near a busy railway. Using the survey data and the measured train vibrations, time-history analyses were applied to five typical residential buildings. The results showed that there is a considerable contribution of higher modes to overall building response. Peak particle velocities calculated on the buildings are predominantly intolerable. Critically, 95% of the occupants would like authorities to reorganize traffic regulations to reduce the effects of this global problem. Therefore, human response to traffic-induced vibrations should be consideration of serviceability limit state and site-specific analysis should be incorporated into the codes of practice.
Highlights
Increase in urban population has brought the previously constructed residential buildings into much closer proximity with the main arteries of the world’s large cities
This study aims to comprehensively analyse human and three-dimensional (3-D) building response to 3-D traffic-induced vibrations based on a social survey and numerical modelling of buildings
Vibration measurements and numerical analyses results are discussed with their potential implications
Summary
Increase in urban population has brought the previously constructed residential buildings into much closer proximity with the main arteries of the world’s large cities. Some of the previously conducted studies investigated the lateral response of two-dimensional (2-D) frame structures only [8] and some used artificial vibration data instead of recorded real data [9] Filling such gaps, this study aims to comprehensively analyse human and three-dimensional (3-D) building response to 3-D traffic-induced vibrations based on a social survey and numerical modelling of buildings. Six densely populated areas of İstanbul with heavy road and/or rail traffic were identified In these areas, two sets of personal interview surveys were conducted with 100 people aiming to reveal (1) physical properties of buildings and (2) the effects of traffic-induced vibrations on occupants and buildings. Displacement, velocity and acceleration responses of buildings along with their dynamic properties were presented and discussed to show the overall picture for different structural and ground motion parameters
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