Published: 2022-09-22

Analysis of causes of damage to single-layer concrete highway pavement

Michał A. Glinicki , Daria Jóźwiak-Niedźwiedzka , Aneta Antolik , Kinga Dziedzic , Mariusz Dąbrowski , Karolina Bogusz , Paweł Lisowski

Abstract

Premature damage to the concrete pavement of a trunk road section after 15 years of its service life was noticed. The damage manifested itself in cracking along transverse joints and in the corners of slabs. Diagnostic investigations, covering a petrographic analysis of concrete and mineral aggregates by means of optical and scanning microscopy, an evaluation of the elastic properties, the degree of cracking and air-void parameters and an identification of the alkali-silica reaction products, were carried out on core samples. Multiple cracks in coarse quartzite aggregate particles and in cement matrix were found. A significant presence of microcrystalline and cryptocrystalline quartz in quartzite particles was detected. Typical alkali-silica reaction products were unambiguously identified. The considerable cracking and the substantial decrease in the modulus of elasticity were correlated with the presence of reactive quartz in the quartzite aggregate and the alkali-silica reaction was found to be the main cause of the damage. Additional damaging factors, such as heavy traffic loads and frost aggression, are discussed.

Keywords:

concrete, road pavement, pavement evaluation, aggregate, quartzite, alkali-silica reaction, cracks, service life.

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Glinicki, M. A., Jóźwiak-Niedźwiedzka, D., Antolik, A., Dziedzic, K., Dąbrowski, M., Bogusz, K., & Lisowski, P. (2022). Analysis of causes of damage to single-layer concrete highway pavement. Roads and Bridges - Drogi I Mosty, 21(3), 183–201. https://doi.org/10.7409/rabdim.022.011

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