2026-04-20T02:23:08Zhttps://riubu.ubu.es/oai/request

oai:riubu.ubu.es:10259/97342024-11-27T01:05:18Zcom_10259_6171com_10259_5086com_10259_2604col_10259_6172

García Llona, Aratz Ortega López, Vanesa Piñero Santiago, Ignacio Santamaría, Amaia Aguirre Font, Miquel 2024-11-26T09:20:26Z 2024-11-26T09:20:26Z 2022-01 0950-0618 http://hdl.handle.net/10259/9734 10.1016/j.conbuildmat.2021.125553 1879-0526 Over recent years, Electric Arc Furnace Slag (EAFS), a by-product of the steel-making industry, has been used as a replacement of natural aggregates to produce high-performance concrete. In EAFS concrete, fibers are normally added to improve post-cracking behavior, thereby prolonging the durability and range of applications of the composite. Despite the rise in its production, the mechanical performance of fiber-reinforced EAFS concrete is still poorly understood, posing important barriers to its daily use. This paper aims to study the effect of fiber materials (steel and synthetic) on EAFS concrete performance. To do so, the paper proposes, firstly, an experimental campaign and, secondly, a numerical simulation to model the effect of fibers both in the pre-cracking and post-cracking stages. Importantly, for the numerical study, an in-house Finite Element (FE) code is developed using interface elements to capture crack propagation. The FE code uses, as input, data obtained in the experimental campaign and is validated against previously unseen experimental results. The overall framework gives important insights on how fibers improve the post-cracking behavior of EAFS concrete and the relevance of fiber material in the overall performance. The validated numerical tool can be used in the future to design EAFS fiber-reinforced concrete structures and therefore increase the applicability of such composite material. The authors wish to express their gratitude to the following entities for having funded this research work: the Spanish Ministries MCI, AEI, EU and ERDF [RTI2018-097079-B-C31; PID2020-113837RB-I00; 10.13039/501100011033]; the Junta de Castilla y León (Regional Government) and ERDF [UIC-231, BU119P17]; the Basque Government research group [IT1619-22 SAREN]; the University of Burgos [Y135.GI]. application/pdf eng Elsevier Construction and Building Materials. 2022, V. 316, p. 125553-125563 https://doi.org/10.1016/j.conbuildmat.2021.125553 Attribution-NonCommercial-NoDerivatives 4.0 Internacional http://creativecommons.org/licenses/by-nc-nd/4.0/ info:eu-repo/semantics/openAccess Electric arc furnace slag Steel/synthetic fibers Dog-bone test Interface solid finite elements Tensile damage models Ingeniería civil Materiales de construcción Civil engineering Building materials Effects of fiber material in concrete manufactured with electric arc furnace slag: Experimental and numerical study info:eu-repo/semantics/article info:eu-repo/semantics/acceptedVersion Construction and Building Materials 316 125553 125563