Uses of Usumacinta River sediments as a sustainable resource for unpaved roads: an experimental study on a full-scale pilot unit - Archive ouverte HAL Access content directly
Journal Articles Transportation Engineering Year : 2022

Uses of Usumacinta River sediments as a sustainable resource for unpaved roads: an experimental study on a full-scale pilot unit

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Abstract

Purpose: Transportation is a key factor for economic growth and poverty reduction because it improves access to services and opportunities for rural communities. Unpaved roads, however, still represent 80% of the global road network. The state of Tabasco, Mexico, is not an exception. Materials and methods: Geotechnical identifications of raw and lime-treated sediments are performed. A methodology is developed to reproduce a soil-model close to the raw sediment's properties. The reconstituted soil-model is used for full-scale testing including CBR indexes determination, cyclic vertical plate testing and horizontal traffic loads tests. Results: The rutting generated from the cyclic plate and traffic load tests, on both the untreated and the lime-treated soil-model, are compared. The lime treatment appears to improve the properties of both the soil-model and the sediments. Conclusions: The findings give promising perspectives regarding the use of Usumacinta River sediments for the construction of unpaved roads.
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Dates and versions

hal-03763414 , version 1 (05-09-2022)

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Irini Djeran-Maigre, Ahmad Morsel, L. Briancon, Estelle Delfosse, Daniel Levacher, et al.. Uses of Usumacinta River sediments as a sustainable resource for unpaved roads: an experimental study on a full-scale pilot unit. Transportation Engineering, 2022, 9, pp.100136. ⟨10.1016/j.treng.2022.100136⟩. ⟨hal-03763414⟩
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