Análise da capacidade de infiltração em pavimento permeável de bloco de concreto unidirecionalmente articulado
DOI:
https://doi.org/10.14295/transportes.v25i3.1314Keywords:
Permeable pavements, Articulated concrete blocks, Permeability.Abstract
The adoption of permeable pavements has become increasingly necessary as a compensatory measure in order to attenuate peak flows and mitigate the effects caused by rainwater in densely urbanized areas. Usually composed of interlocked concrete blocks, pervious concrete or porous asphalt, the traditional permeable pavements do not always comply with the required levels of permeability. In this context, this paper analyzed the in situ infiltration capacity of articulated concrete blocks as alternative material for surface layer, differentiated by their structure and geometrical design. Therefore, a 20-m-long and 5-m-wide pavement test section was constructed at the University of São Paulo Campus, which allowed determining the permeability coefficient in a field evaluation. Hence, the values obtained were compared to those from the pertinent literature using conventional materials. The test results showed that the articulated concrete block presents a high permeability of around 10-3 m/s, being considerably greater than those found in pavements built with both interlocked concrete blocks and with porous asphalt.
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