RT Conference Proceedings
T1 SIDERURGICAL MORTARS IN SPAIN: 												REHABILITATION OPPORTUNITIES AND AN OVERVIEW OF PROGRESS
A1 Santamaría, Amaia
A1 Esteban, Alberto
A1 Skaf, Marta
A1 García-Cortés, Verónica
A1 González, Javier Jesús
A2 Blanco, Haydee
A2 Boffill, Yosbel
A2 Lombillo, Ignacio
AB In the present paper, waste products from the steel-making industry are reused as fine raw material in rehabilitation mortars for construction works. Two cement mixes are evaluated: Masonry mortars and structural mortars. The study is focused on two steel-making by-products: Electric arc furnace slag and ladle furnace slag. The mortar design proposed here incorporates the former in partial substitution of fine aggregates (sand) and the ladle furnace slag in partial substitution of Portland cement and, in some cases, as aggregate (filler). Several partial substitutions of mortar binders/aggregates were prepared which yielded different mixes: 8 masonry mortars whose compressive strengths were below 20 MPa and 12 structural mortars whose compressive strengths were over 50 MPa. At the lab scale, various physical and chemical tests were performed on batches in both the fresh and the hardened state (densities, spreading, mechanical strength, porosity and weathering studies). Our results fully support the use of these siderurgical mortars for architectural (non-structural) rehabilitation purposes and in structural refurbishments for strengthening reinforced concrete elements.
PB University of Cantabria - Building Technology R&D Group
SN 9788409422524
SN 2386-8198
YR 2022
FD 2022
LK https://hdl.handle.net/11556/2492
UL https://hdl.handle.net/11556/2492
LA eng
NO Santamaría , A , Esteban , A , Skaf , M , García-Cortés , V & González , J J 2022 , SIDERURGICAL MORTARS IN SPAIN : REHABILITATION OPPORTUNITIES AND AN OVERVIEW OF PROGRESS . in H Blanco , Y Boffill & I Lombillo (eds) , REHABEND 2022 - Construction Pathology, Rehabilitation Technology and Heritage Management . REHABEND , University of Cantabria - Building Technology R&D Group , pp. 1436-1443 , 9th Euro-American Congress on Construction Pathology, Rehabilitation Technology and Heritage Management, REHABEND 2022 , Granada , Spain , 13/09/22 .
NO conference
NO Publisher Copyright: © 2022, University of Cantabria - Building Technology R&D Group. All rights reserved.
NO The authors thanks for funding to MCIN/AEI/10.13039/501100011033/FEDER, UE [PID2021-124203OB-I00; PID2020-113837RB-I00; RTI2018-097079-BC31; FPU17/03374]. Our thanks also go to SAREN research group (IT1619-22, Basque Government), the Junta de Castilla y León (Regional Government) and ERDF [UIC-231, BU119P17] and BASKRETE initiative and the Transnational Common Laboratory “Aquitaine-Euskadi Network in Green Concrete and Cement-based Materials”.
DS TECNALIA Publications
RD 25 jul 2024