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Effects of Repeated and Varying Traffic Load on Subgrade Materials
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Mining and Geotechnical Engineering.ORCID iD: 0009-0001-4933-5958
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Mining and Geotechnical Engineering.ORCID iD: 0000-0003-1935-1743
2022 (English)Report (Other academic)
Abstract [en]

The tendency to put heavier loads on trucks can seriously affects the condition of roads,especially older ones. This paper aims to identify a more detailed but easily applicablemethod of estimating the effects of high cyclic loading generated by truck traffic onroads. Truck traffic can be considered high cyclic loading due to a large number of cycles with small strain amplitudes. The High-Cycle Accumulation (HCA) model has beensimplified and implemented into a Matlab code following a laminar structure. Stressesand strains are calculated with Boussinesq solution for a point load in order to estimatedeformations on roads due to traffic load. The accumulated strain and deformation foreach soil discretization layer are calculated and added together to obtain the total deformation. Several truck types were regarded and a more detailed study, varying tireload and wheel spacing was done. The soil profile chosen for those cases was a homogeneous layer of sand, sometimes with a soft layer on top of the sand with differentdepths of stabilization.

Place, publisher, year, edition, pages
Luleå University of Technology, 2022. , p. 48
Series
Branschsamverkan i grunden (BIG) ; A2017-25
National Category
Applied Mechanics Infrastructure Engineering
Research subject
Soil Mechanics
Identifiers
URN: urn:nbn:se:ltu:diva-112137OAI: oai:DiVA.org:ltu-112137DiVA, id: diva2:1947449
Available from: 2025-03-26 Created: 2025-03-26 Last updated: 2025-10-21Bibliographically approved

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fulltext(5218 kB)141 downloads
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Garcia, NelsonLaue, Jan

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CiteExportLink to record
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Citation style
  • apa
  • ieee
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