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Methodology for analysis of heavy vehicle trafficability in deformable soils

Author

Listed:
  • Elias Dias Rossi Lopes
  • André Flora Alves Pinto
  • Moisés Xavier Guimarães Valentim
  • Pedro Siciliano Peixoto
  • Gustavo Simão Rodrigues
  • Ricardo Teixeira da Costa Neto

Abstract

Heavy vehicles have a wide range of applicability in our daily lives: buses, commercial trucks, and even defense vehicles are important to transport people and goods and provide protection. However, this field is not widely covered by the scientific literature in many aspects regarding their dynamic behavior, as most works tend to focus on personal vehicles (cars). This article elaborates on heavy vehicle trafficability on many different terrains or their capacity to operate in those soils, using an analysis based on the Wong–Reece method with deformable soil–rigid tire approximation. It also develops a dynamic model, using MATLAB Simulink TM software, to show how heavy vehicle performance both kinematically and dynamically is influenced by the soil. To test both models, a numerical case study was conducted, using common parameters for wheeled heavy vehicles as inputs for the dynamic. Results indicate that heavy vehicles are often incapable of operating in highly deformable soils, sinking deeply into the ground; the soil also affects heavily the vehicle maximum velocity and gear from almost 12 km/h in Greenville Loam soil to less than 5 km/h in Upland Sandy Loam soil.

Suggested Citation

  • Elias Dias Rossi Lopes & André Flora Alves Pinto & Moisés Xavier Guimarães Valentim & Pedro Siciliano Peixoto & Gustavo Simão Rodrigues & Ricardo Teixeira da Costa Neto, 2022. "Methodology for analysis of heavy vehicle trafficability in deformable soils," The Journal of Defense Modeling and Simulation, , vol. 19(3), pages 245-253, July.
    • Handle: RePEc:sae:joudef:v:19:y:2022:i:3:p:245-253
    DOI: 10.1177/1548512920934549
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    References listed on IDEAS

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    1. Al-Kaisy, Ahmed F. & Hall, Fred L. & Reisman, Emily S., 2002. "Developing passenger car equivalents for heavy vehicles on freeways during queue discharge flow," Transportation Research Part A: Policy and Practice, Elsevier, vol. 36(8), pages 725-742, October.
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