Considering the progressive depletion of sources of high-quality construction materials worldwide, it is essential that engineers are able to build new resilient infrastructure through the use of more eco-efficient/environmentally friendly materials (e.g. lower cement content concrete - LCCC), while optimizing the recycling of materials resulting from industrial processes and demolition of infrastructure having reached their expected service life (e.g. recycled concrete aggregates - RCA). However, the long-term performance of these new materials is still relatively unknown, which delays their implementation in the construction market. This paper discusses the recent advances made in the last ten years with respect to sustainable materials for structural applications, especially through the use of RCA and LCCC. Examples of laboratory and field studies and data will be shown and a critical analysis of the potential use of these materials for structural applications will be performed. Moreover, current research needs and opportunities as well as ongoing research studies at the University of Ottawa will also be discussed and presented.
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