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Ingeniería, investigación y tecnología

versão impressa ISSN 1405-7743

Resumo

GUZMAN-ORTIZ, Dulce Valeria et al. Use of recycled asphalt pavement aggregate for a rigid pavement. Ing. invest. y tecnol. [online]. 2021, vol.22, n.1.  Epub 30-Jul-2021. ISSN 1405-7743.  https://doi.org/10.22201/fi.25940732e.2021.22.1.005.

In Mexico, heavy traffic with excess loads is the main cause of pavement deterioration, which has influenced the consumption and exploitation of natural resources, and therefore road rehabilitation. The use of Reclaimed Asphalt Pavement (RAP) has been presented as a technique to reduce the aforementioned, which consists of milling the material of a flexible pavement during its rehabilitation. The objective of this work is to reuse this RAP by implementing the use of the Los Angeles Wearing Machine to recover fine aggregate using it in a rigid pavement. The pavement is designed to be used for the rehabilitation of a flexible pavement, using the Los Angeles Wearing Machine to recover the fine aggregate for use in a rigid pavement. The aggregates of the different mixtures were sieved by the No. 8 sieve to make 10 x 20 cm concrete cylinders. The performance of the materials as a whole was evaluated by means of compression and indirect tensile tests, not only using these RAP aggregates, but also working in a similar way as the virgin sand aggregates. The results indicate an increase of 3.97 % in compression and 7.3 % in indirect tensile with the LAV material.

Palavras-chave : Recycling asphalt pavement; resistance; compression; indirect tensile; hydraulic concrete.

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