BEHAVIOUR OF CONCRETE STRUCTURES UPON THE IMPACT OF UV AND RAIN OF NATURAL ACIDITY
Irena (Rina) Wasserman
Strony: 210-229
Opublikowano: 18 Sep 2019
Wyświetlenia: 1,539
Pobrania: 185
Streszczenie: A common basic assumption in civil engineering is that rainwater is chemically neutral (pH = 7.0). However, even under pristine conditions, rainwater is often more acidic due to natural emissions of organic acids. Even natural rain acidity may be very aggressive against natural stones and concrete. A harmful impact of UV radiation on the concrete durability was discussed by the authors for the first time in 2006. The objective of the current research was the characterization of weathering processes occurred in the wet cast concrete subjected to the normal acidic rain and UV radiation, and the evaluation of their possible effect on the reinforced concrete durability. It was revealed that organic acids contained in rain of the natural acidity promote an intense concrete carbonation, even when a permeability of concrete looks to be low.
Słowa kluczowe: concrete, durability, acidic rain, uv radiation, permeability, carbonation
Cytowanie artykułu: Irena (Rina) Wasserman. BEHAVIOUR OF CONCRETE STRUCTURES UPON THE IMPACT OF UV AND RAIN OF NATURAL ACIDITY. Journal of International Scientific Publications: Materials, Methods & Technologies 13, 210-229 (2019). https://www.scientific-publications.net/en/article/1001896/
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