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Industrial Low-Clinker Precast Elements Using Recycled Aggregates

Abstract: Increasing 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.

Otras publicaciones de la misma revista o congreso con autores/as de la Universidad de Cantabria

 Fuente: Applied Sciences 2020, 10(19), 6655

Editorial: MDPI

 Fecha de publicación: 01/10/2020

Nº de páginas: 14

Tipo de publicación: Artículo de Revista

 DOI: 10.3390/app10196655

ISSN: 2076-3417

Proyecto español: BIA2013-48876-C3-2-R