Análisis de calidad de mezclas asfálticas en la planta de trituración y asfalto de Mikonstrucciones S.A.S.

Abstract

This document presents the work that was developed as a business practice in the company Mikonstrucciones S.A.S. The company offered its spaces to comply with the practical phase of learning, while the analysis of asphalt mixtures produced in the crushing and asphalt plant was carried out. In order to obtain a product of optimum quality, the National Institute of Roads has stipulated in article 450 - 13 the specifications for the elaboration of asphalt mixtures and, within these stipulations, there are some test norms that contain the procedures that must be carried out to guarantee a correct design of the asphalt mixtures, evaluation of the materials and of the final product. The purpose of this work consists of the quality analysis of asphalt mixtures coupled to INVIAS standards and, to meet this objective, a process flow diagram and the identification of the raw material were carried out in order to understand in a deeper way the factors that directly influence the quality of the product. Since INVIAS has established the test standards that must be executed, the verification of 5 test standards that generated uncertainty in their results was carried out, and it was obtained that for these aggregate and asphalt binder quality tests the results showed an acceptable degree of precision and accuracy. During the verification of these tests, some shortcomings were identified in the laboratory conditions that prevent a correct execution of good laboratory practices that ultimately affect the results of the quality analysis, because of this some corrective controls were established whose evidence is documented in formats designed to obtain results of the analysis, characterization of equipment and reagents and a manual of procedures and operations that the laboratory did not have.