Evaluation of the Transport Capacity of Flows and Sediments of the Transversal Drainage in a Mountainous Road in the Ecuadorian Andes
DOI:
https://doi.org/10.18041/1794-4953/avances.2.6628Keywords:
Andes, culverts, evaluation, road drainage, sedimentsAbstract
Drainage is essential to ensure the useful life of roads. Not only water circulates through the sewers, but also sediment that is carried by the flow, either as bottom drag or in suspension. Therefore, the sustainable design of culverts must allow the sediment transport associated with natural river systems. In the present work, 6 culverts located on a mountain road in the Andes of southern Ecuador were studied. The hydraulic capacity of each culvert was evaluated evacuating a peak flow with a 25-year return period using specialized software. Additionally, the criterion of the beginning of the movement of the sediments was applied to analyze the self-cleaning capacity of the culverts. After the evaluation, it was found that only three of the culverts studied had sufficient capacity to transport the evaluated flow and that all culverts had the necessary conditions to avoid the deposition of sediment.
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