Fredy Reyes, Andrés Torres, GRUPO CECATA


Water has always coexisted with concrete, either during the manufacturing process or when in use. One of the phenomena that is produced by the water has prompted this study. Under wet weather conditions, water cannot be adequately drained on a rigid pavement and it produces a film that creates an aquaplaning effect, seriously affecting the maneuverability of vehicles. Throughout the study, attempts are made to design a permeable rigid pavement by adding plastic wastes, based on the different investigations related to the topic, conducted in several countries and relying on different laboratory tests performed during the study, such as, for instance, simple compression, flexion, indirect traction and modulus of elasticity. In order to come up with the desired design, it was first necessary to adapt four mixture designs to a possible permeable design whose characteristics should resemble each of those described in the experiences obtained in previous investigations. Therefore, two tests were performed mainly for each of the designs, namely, simple compression and permeability and, on the basis of the results obtained, the one with the best performance was selected. After determining the optimum design, plastic strips having different sizes ( 2 mm by 10 mm and 4 mm by 20 mm) in different percentages (0.025%, 0.05%, 0.075%, 0.100%, 0.200%, 0.300%, 0.400% and 0.500%) were added and flexion, indirect traction and modulus of elasticity tests were performed, in order to obtain both the most suitable type of strip and the best percentage permitting a design for a fully permeable rigid pavement. Next, it was then compared to other pavements in what respects its behavior in the face of the different efforts.


Plastic wastes, porous concrete, resistance, design, modulus of elasticity.


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