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Advances in Nano Research Volume 11, Number 1, July 2021 , pages 101-113 DOI: https://doi.org/10.12989/anr.2021.11.1.101 |
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Assessment of microstructure and surface effects on vibrational characteristics of public transportation |
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Abdulmajeed S. Alsultan
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| Abstract | ||
| This study analyzes the influence of surface effects on transportation vibrational properties. The evaluation of vibration impacts was done in accordance with the standards laid out in ISO 2631-1 for convenience on public transport (bus). The QCM (Quarter Car Model) with a quarter vehicle mass and variable was evaluated on exchange force between paving and three vehicle typologies (car, bus, and truck) using Matlab. The driver's, passengers in the center section, and passengers in the rear overhang's comfort is evaluated. The ten-degree oscillatory bus model has been designed for analytical requirements. First, the vibration propagation effects of different bus types are examined. Numerical methods are next briefly addressed to vibration propagation modeling inside the path and in the soil. Then a detailed discussion on the development of numerical models with an examination of the appropriateness of various modeling techniques for vehicle impact analysis will be given. Bus excitation has been created by using the asphalt-concrete road roughness power-spectral density as stated in the H. Braun model. This article illustrates how this dynamic overcharge might be predetermined according to the deterioration of the pavements' surface. This is a valuable resource for the design and maintenance of road pavements. | ||
| Key Words | ||
| microstructure; surface effects; transportation; vibrational characteristics | ||
| Address | ||
| Prince Sattam Bin Abdulaziz University, College of Engineering, Department of Civil Engineering, Alkharj, 16273, Saudi Arabia | ||