New Eurocode 2 provisions for recycled aggregate concrete and their implications for the design of one-way slabs

• Main Authors: Tošić Nikola, Torrenti Jean Michel
• Format: Article
• Language: English
• Published: Society for Materials and Structures testing of Serbia 2021-01-01
• Series: Građevinski Materijali i Konstrukcije
• Subjects: recycled concrete; recycled aggregate; design; slab; eurocode
• Online Access: https://scindeks-clanci.ceon.rs/data/pdf/2217-8139/2021/2217-81392102119T.pdf

A significant amount of research has been performed on recycled aggregate concrete (RAC), both on the material and structural level. This has enabled the formulation of material and structural resistance models that can be safely and reliably used for the structural design of RAC members and the new Eurocode 2 (EC2) will contain an informative annex detailing provisions for the design of RAC. Thus, an increased market uptake of recycled aggregate (RA) can be achieved, leading to potential sustainability improvements of concrete structures. In order to familiarize designers with the new provisions for RAC, this paper presents an example of one-way slab design using varying RA substitution ratios, as well as a parametric study on the implications of RAC provisions on slab slenderness. The results of this study show that RAC one way slabs can be successfully designed using EC2. Although such slabs might require larger depths than natural aggregate concrete slabs, their applicability in the typical slenderness range is possible.