Industrial Low-Clinker Precast Elements Using Recycled Aggregates
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Thomas García, Carlos; Cimentada Hernández, Ana Isabel; Cantero, Blas; Sáez del Bosque, F.; Polanco Madrazo, Juan AntonioFecha
2020-10Derechos
©2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/)
Publicado en
Applied Sciences 2020, 10(19), 6655
Editorial
MDPI
Palabras clave
Recycled concrete
Low clinker cement
Precast
Mechanical properties
Physical properties
New Jersey
Resumen/Abstract
ABSTRACT: ncreasing amounts of sustainable concretes are being used as society becomes more aware of the environment. This paper attempts to evaluate the properties of precast concrete elements formed with recycled coarse aggregate and low clinker content cement using recycled additions. To this end, six different mix proportions were characterized: a reference concrete; 2 concretes with 25%wt. and 50%wt. substitution of coarse aggregate made using mixed construction and demolition wastes; and others with recycled cement with low clinker content. The compressive strength, the elastic modulus, and the durability indicator decrease with the proportions of recycled aggregate replacing aggregate, and it is accentuated with the incorporation of recycled cement. However, all the precast elements tested show good performance with slight reduction in the mechanical properties. To confirm the appropriate behaviour of New Jersey precast barriers, a test that simulated the impact of a vehicle was carried out.
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Excepto si se señala otra cosa, la licencia del ítem se describe como ©2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/)