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Título: | Durability and Safety Performance of Pavements with Added Photocatalysts |
Autor: | Jiménez-Relinque, Eva CSIC ORCID; Grande, María CSIC; Rubiano, Francisco CSIC ORCID; Castellote, Marta CSIC ORCID | Palabras clave: | TiO2 Nanoparticles photocatalytic durability slip resistance pavements asphalt concrete |
Fecha de publicación: | 29-nov-2021 | Editor: | Multidisciplinary Digital Publishing Institute | Citación: | Applied Sciences 11:11277 (2021) | Resumen: | The use of photocatalysts to enhance the performance of construction materials with large surfaces exposed to sunlight has become an increasingly common practice in recent decades. Although construction material durability is of crucial importance and is extensively studied when incorporating new additions, very few studies have specifically addressed the effects when adding photocatalysts. This paper discusses the effect of TiO2-based photocatalysts on pavement durability (porosity, time of transmission of ultrasonic pulses, freeze-thaw resistance and capillary water absorption) and safety (slip resistance and roughness) by comparison of commercial photocatalytic materials of different families and twin materials without the photocatalyst added. The analysis covers concrete tile pavements and porous asphalt treated with photocatalysts in the form of sprayed emulsions, slurry admixtures or built-in during casting. The findings show that changes in the properties of a construction material induced by photocatalytic functionality depend primarily on the porous structure of the matrix and the properties of the resulting photocatalytic surface. | Versión del editor: | 10.3390/app112311277 | URI: | http://hdl.handle.net/10261/257920 | ISSN: | 2076-3417 |
Aparece en las colecciones: | (IETCC) Artículos |
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Durability and Safety Performance.pdf | Artículo principal | 5,81 MB | Adobe PDF | Visualizar/Abrir |
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