The hydrophobization of high strength concretes with plastic waste
Artykuł w czasopiśmie
MNiSW
5
spoza listy
| Status: | |
| Autorzy: | Barnat-Hunek Danuta, Szafraniec Małgorzata, Pavlik Zbyšek |
| Dyscypliny: | |
| Aby zobaczyć szczegóły należy się zalogować. | |
| Rok wydania: | 2020 |
| Wersja dokumentu: | Drukowana | Elektroniczna |
| Język: | angielski |
| Wolumen/Tom: | 2305 |
| Numer artykułu: | 020001 |
| Strony: | 1 - 7 |
| Web of Science® Times Cited: | 3 |
| Scopus® Cytowania: | 3 |
| Bazy: | Web of Science | Scopus |
| Efekt badań statutowych | NIE |
| Materiał konferencyjny: | TAK |
| Nazwa konferencji: | Thermophysics 2020 : 25th International Meeting |
| Skrócona nazwa konferencji: | Thermophysics 2020 |
| URL serii konferencji: | LINK |
| Termin konferencji: | 7 października 2020 do 9 października 2020 |
| Miasto konferencji: | Smolenice |
| Państwo konferencji: | SŁOWACJA |
| Publikacja OA: | TAK |
| Licencja: | |
| Sposób udostępnienia: | Witryna wydawcy |
| Wersja tekstu: | Ostateczna wersja opublikowana |
| Czas opublikowania: | W momencie opublikowania |
| Data opublikowania w OA: | 23 listopada 2020 |
| Abstrakty: | angielski |
| The study on the properties of high strength concrete (HSC) with waste plastic aggregate (WPA) was presented in the paper. Three concrete mixtures were prepared using: Portland cement CEM I 42.5 R, coarse aggregate 2-16 mm, sand, water, superplasticizer and WPA, the quantity of (0; 10; 15%) instead of sand. For the highest WPA content of 15%, the compressive strength is reduced by 15.5% for the standard concrete and amounted to 66.2 MPa. Surface hydrophobization treatment was performed on the HSC using two agents: a methyl silicone resin (A1) and alkyl-alkoxy-silane in organic solvents (A2). Wetting properties of concrete were determined by measuring the contact angle (CA) of their surfaces using water and glycerin. The results of CA measurements proved that all CA of glycerin (θg) were higher than CA of water (θw). The smallest CA (2°) with water was obtained by concrete with the most addition of WPA before hydrophobization and 116.5° after hydrophobization using A1. This concrete is characteristic of the highest porosity, absorptivity among the tested samples. After 150 cycles of freezing-thawing (F-T), no cracks and corrosion in the hydrophobized concrete were observed. The concretes are characterized by an insignificant mass change due to F-T processes in the case of the reference concrete - 1.3%, samples with 15% waste plastic - 3.7% before impregnation. The highest efficiency was obtained for the surface hydrophobized with the methyl silicone resin (A1). |
