2026-04-17T09:36:06Zhttps://riubu.ubu.es/oai/request

oai:riubu.ubu.es:10259/83452024-01-16T01:05:33Zcom_10259_6171com_10259_5086com_10259_2604col_10259_6172

Electric arc furnace slag in substitution of quartz for surface treatment of concrete paving slabs Santamaría, Amaia Ortega López, Vanesa Skaf Revenga, Marta Revilla Cuesta, Víctor Manso Villalaín, Juan Manuel EAF slag Dry shake hardener material Sustainable concrete Coating concrete paving slab DSH concrete durability Electric Arc Furnace (EAF) slag, a by-product of the steelmaking industry, also serves as a highquality aggregate material for structural concrete production. In this research, its use is proposed as a Dry-Shake Hardener (DSH), in substitution of quartz, in concrete paving top coatings. Three concrete paving slab kinds were produced using EAF: one without fibers, another with metallic fibers; and the third with synthetic fibers. Half of each slab was coated with a classical cementquartz mix and the other half with a novel cement-slag mix. After four years of outdoor aging at the city of Burgos, Spain, the slabs were visually inspected and no significant differences were found between the two coated materials. Impact, skid, and abrasion resistance tests were carried out and showed similar results for both types of coating courses. The result of both the short and long-term water absorption test results indicated, firstly, no short-term water absorption in both cases and, secondly, lower long-term water absorption in the quartz-cement mix. Finally, observation of the oil stain resistance tests on the top coatings led to the conclusion that the cleaning ability is very good. Analyzing all the results, it may be concluded that a new application for EAF slag have been found, it is a suitable material for use as a DSH for coating concrete paving slabs. 2024-01-15T12:36:18Z 2024-01-15T12:36:18Z 2024-01-15T12:36:18Z 2024-04 info:eu-repo/semantics/article 2352-7102 http://hdl.handle.net/10259/8345 10.1016/j.jobe.2023.108367 eng Journal of Building Engineering. 2024, V. 82, 108367 https://doi.org/10.1016/j.jobe.2023.108367 http://creativecommons.org/licenses/by/4.0/ info:eu-repo/semantics/openAccess Atribución 4.0 Internacional Elsevier