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Compression and Strain Predictive Models in Non-Structural Recycled Concretes Made from Construction and Demolition
Evelio Teijón-López-Zuazo1, Jorge López-Rebollo2, Luis Javier Sánchez-Aparicio3
1Department of Construction and Agronomy, Campus Viriato, Higher Polytechnic School of Zamora, University of Salamanca, Avenida Requejo, 33, 49022 Zamora, Spain.
Abstract:
This work aims to investigate different predictive models for estimating the unconfined compressive strength and the maximum peak strain of non-structural recycled concretes made up by ceramic and concrete wastes. The extensive experimental campaign carried out during this research includes granulometric analysis, physical and chemical analysis, and compression tests along with the use of the 3D digital image correlation as a method to estimate the maximum peak strain. The results obtained show that it is possible to accurately estimate the unconfined compressive strength for both types of concretes, as well as the maximum peak strain of concretes made up by ceramic waste. The peak strain for mixtures with concrete waste shows lower correlation values.
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