The study of properties and behavior of self compacting concrete containing Electric Arc Furnace Slag (EAFS) as aggregate

Amaia Santamaría; Vanesa Ortega-López; Marta Skaf; José Antonio Chica; Juan Manuel Manso

doi:10.1016/j.asej.2019.10.001

The study of properties and behavior of self compacting concrete containing Electric Arc Furnace Slag (EAFS) as aggregate

Amaia Santamaría, Vanesa Ortega-López, Marta Skaf, José Antonio Chica, Juan Manuel Manso

General Services_Energy, Climate and Urban Transition

Research output: Contribution to journal › Article › peer-review

55 Citations (Scopus)

Abstract

Electric Arc Furnace Slag (EAFS) can be efficiently reused as aggregate in the production of high-volume batches of hydraulic concrete mixes that show interesting properties in both the fresh and the hardened state. Mixtures containing EAFS aggregate in proportions of nearly 50% by volume are prepared for use as pumpable and self-compacting mixes with consistency classes of S4 and SF2, respectively. Characterization of the mixtures is presented, examining practical aspects such as thixotropy, segregation in the fresh state (under 6%), and mechanical and microstructural evolution in the hardened state. The results yielded compressive strengths of approximately 60 MPa and elastic moduli of 38 GPa after one year. Finally, real-scale flexural elements are cast and subjected to sustained loading tests of moderate intensity. Long-term deflection values were approximately 50% (pumpable mixes) and less than 40% (self-compacting mixes) of the maximum admissible values specified in current standards.

Original language	English
Pages (from-to)	231-243
Number of pages	13
Journal	Ain Shams Engineering Journal
Volume	unknown
Issue number	1
DOIs	https://doi.org/10.1016/j.asej.2019.10.001
Publication status	Published - 2019

Keywords

Electric arc furnace slag
Self-compacting concrete
In-fresh properties
Long-term hardened properties
Sustained load testing

Project and Funding Information

Funding Info
The authors wish to express their gratitude to: the Vice-Rectorate of Investigation of the University of the Basque Country(UPV/EHU) [PIF 2013]; the Vice-Rectorate of Investigation of theUniversity of Burgos [SUCONS]; the Junta de Castilla y León (Regio-nal Government) for funding the UIC-231 group through projectBU119P17 partially supported by FEDER funds; Project RTI2018-097079-B-C31 (MCIU/AEl/EU) and the UPV/EHU [PPGA19/61].Moreover, we are also grateful to both the Basque Governmentresearch group (IT1314-19) and the companies Chryso Additivesand Hormor-Zestoa for their ongoing collaboration with the pre-sent research group.

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10.1016/j.asej.2019.10.001

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Cite this

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title = "The study of properties and behavior of self compacting concrete containing Electric Arc Furnace Slag (EAFS) as aggregate",

abstract = "Electric Arc Furnace Slag (EAFS) can be efficiently reused as aggregate in the production of high-volume batches of hydraulic concrete mixes that show interesting properties in both the fresh and the hardened state. Mixtures containing EAFS aggregate in proportions of nearly 50% by volume are prepared for use as pumpable and self-compacting mixes with consistency classes of S4 and SF2, respectively. Characterization of the mixtures is presented, examining practical aspects such as thixotropy, segregation in the fresh state (under 6%), and mechanical and microstructural evolution in the hardened state. The results yielded compressive strengths of approximately 60 MPa and elastic moduli of 38 GPa after one year. Finally, real-scale flexural elements are cast and subjected to sustained loading tests of moderate intensity. Long-term deflection values were approximately 50% (pumpable mixes) and less than 40% (self-compacting mixes) of the maximum admissible values specified in current standards.",

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author = "Amaia Santamar{\'i}a and Vanesa Ortega-L{\'o}pez and Marta Skaf and Chica, {Jos{\'e} Antonio} and Manso, {Juan Manuel}",

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year = "2019",

doi = "10.1016/j.asej.2019.10.001",

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AU - Santamaría, Amaia

AU - Ortega-López, Vanesa

AU - Skaf, Marta

AU - Chica, José Antonio

AU - Manso, Juan Manuel

PY - 2019

Y1 - 2019

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KW - Long-term hardened properties

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The study of properties and behavior of self compacting concrete containing Electric Arc Furnace Slag (EAFS) as aggregate

Abstract

Keywords

Project and Funding Information

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