The dynamic behavior of single span simply supported bridge of different length during vehicular loading is being presented here in this paper. The different parameters that are bridge deck thickness, number of longitudinal, cross girders and also speed of moving vehicle is being considered. When fast moving vehicles traverses through the bridge, it produces vibration of high frequency, amplitude and also produces dynamic type of deformation due to the vehicle’s wheel excitation of the respected vehicles. From this we can say that the dynamic response of the bridge can affect the dynamic characteristics of the vehicle which is called vehicle-bridge interaction problem. Due to this, there are a lot of things to study regarding this problem. Horizontal as well as vertical acceleration are being produced while vehicles are traversing through the bridge. Vertical acceleration is generally being neglected while studying compared to other things. Vertical acceleration caused by the vibration of the bridge bring uncomfortable to the pedestrians and cycle riders. It can also bring discomfort to the passengers travelling in vehicle. So, this research aims to bring an allowable limit for vertical acceleration and to develop the different graphs for parameter affecting the sensitivity of the bridge. In this research direct integration time history analysis is being performed. CSI Bridge v16 was used as finite element software to model the bridge. The graphs are made for span ranging from 25m to 40m span. The graphs are made representing the relation between different parameters with respect to the vertical acceleration.
Relationship between Vertical Acceleration v/s Bridge Components and Speed of Moving Vehicle
20.05.2021
oai:zenodo.org:4775420
Journal of Structural Engineering, its Applications and Analysis 4(1) 1-14
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
DDC: | 629 |
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