Published: 2025-12-16

Recycling of concrete pavements – assessment criteria for load-bearing capacity

Antoni Szydło

Abstract

The article outlines the development of concrete road pavements in Poland and the experiences related to the recycling of such pavements constructed in the 1930s. It presents typical damage to concrete pavements and describes a method for the evaluation of such damage with the use of the Road Pavement Condition Diagnostics system developed by the General Directorate for National Roads and Highways in Poland. The article observes that the system lacks criteria for the assessment of the recyclability of concrete road pavements. The results of tests performed for the actual concrete pavements and numerical analyses of stress distributions within pavement joints served to propose such recyclability criteria. These criteria include pavement slab modules and load transfer efficiencies in the joints. The paper also presents in situ methods for recycling concrete road pavements and for the use of the recycled material as base course for concrete or flexible pavements.

Keywords:

concrete pavements, load-bearing capacity evaluation criteria, recycling, road pavement condition assessment

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Szydło, A. (2025). Recycling of concrete pavements – assessment criteria for load-bearing capacity. Roads and Bridges – Drogi I Mosty, 24(4), 523–535. https://doi.org/10.7409/rabdim.025.034

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