ADHERED MORTAR, THE WEAK LINK IN RECYCLED CONCRETE: A REVIEW

• Autor(a) principal: Silva, Danillo de Almeida e
• Data de Publicação: 2021
• Outros Autores: Melo, Carlos Eduardo Luna de
• Tipo de documento: Artigo
• Idioma: por
• Título da fonte: Mix Sustentável (Online)
• Texto Completo: https://ojs.sites.ufsc.br/index.php/mixsustentavel/article/view/4652
• topic: Recycled aggregate; Adhered mortar; Recycled concrete; Sustainability; Agregado reciclado; Argamassa aderida; Concreto reciclado; Sustentabilidade; Tecnologia e Sustentabilidade da Construção Civil

A great technological advance has been achieved in the use of recycled aggregate to produce new concretes. Therefore, researches have been carried out with the objective of giving a more sustainable destination to construction waste, mitigating the problem of using this material for the production of structural concrete, non-structural and constructive materials. Studies report that the mortar adhered (AD) to the recycled aggregate is the weak link in the microstructure of this material. The objective of the research is to report the technological advances made with recycled aggregate for concrete and its influencing factors, such as particle size, shape, texture, density and bonded mortar (AD), in addition to demonstrating that these factors can be controlled. Among the mechanisms used to improve the physical and mechanical properties of recycled aggregate are thermal, chemical and mechanical treatments. These researches demonstrate that recycled aggregate can be used in structural concrete, focusing on the production of this very promising material with a low cost and high environmental gain