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        Effect of Metallic Waste Addition on the Physical and Mechanical Properties of Cement-Based Mortars

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        Norambuena_Contreras_et_al_effect_of_metallic_waste_addition_Published_Version.pdf (PDF, 2Mb)
        Author
        Norambuena-Contreras, Jose
        Cartes, Ariel
        Gonzalez-Torre, Irene
        Chavez, Manuel
        Kanellopoulos, Antonios
        Attention
        2299/20233
        Abstract
        This paper investigates the influence of the type and amount of recycled metallic waste on the physical and mechanical properties of cement-based mortars. The physical and mechanical properties of cement mortars, containing four different amounts of metallic waste (ranged 4 to 16% by cement weight), were evaluated by measuring the bulk density, total porosity, flexural and compressive resistance, and dynamic elastic modulus by ultrasonic tests. All the properties were measured on test specimens under two curing ages: 7 and 28 days. Additionally, the morphological properties and elemental composition of the cement and metallic waste were evaluated by using Scanning Electron Microscopy (SEM), energy dispersive X-ray spectroscopy (EDXS), and X-ray fluorescence (XRF). Main results showed that the addition of metallic waste reduced the bulk density and increased the porosity of the cement-based mortars. Furthermore, it was observed that flexural and compressive strength proportionally increased with the metallic waste addition. Likewise, it was proven that elastic modulus, obtained by compressive and ultrasonic tests, increases with the metallic waste amount. Finally, based on a probability analysis, it was confirmed that the addition of metallic waste did not present a significant effect on the mechanical performance of the cement-based mortars.
        Publication date
        2018-06-05
        Published in
        Applied Sciences
        Published version
        https://doi.org/10.3390/app8060929
        Other links
        http://hdl.handle.net/2299/20233
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