Compression and Strain Predictive Models in Non-Structural Recycled Concretes Made from Construction and Demolition Wastes

被引：9
|
作者：
Teijon-Lopez-Zuazo, Evelio [1 ]
Lopez-Rebollo, Jorge [2 ]
Javier Sanchez-Aparicio, Luis [3 ]
Garcia-Martin, Roberto [4 ]
Gonzalez-Aguilera, Diego [2 ]
机构：
[1] Univ Salamanca, Higher Polytech Sch Zamora, Dept Construct & Agron, Campus Viriato,Ave Requejo 33, Zamora 49022, Spain
[2] Univ Salamanca, Higher Polytech Sch Avila, Dept Cartog & Land Engn, Hornos Caleros 50, Avila 05003, Spain
[3] Univ Politecn Madrid, Escuela Tecn Super Arquitectura Madrid ETSAM, Dept Construct & Technol Architecture DCTA, Av Juan de Herrera 4, Madrid 28040, Spain
[4] Univ Salamanca, Higher Polytech, Dept Mech Engn, Sch Zamora, Campus Viriato,Ave Requejo 33, Zamora 49022, Spain
来源：
MATERIALS | 2021年 / 14卷 / 12期
关键词：
construction and demolition waste; recycled concrete aggregate; recycled ceramic aggregate; non-structural concrete; 3D digital image correlation; predictive models; DIGITAL IMAGE CORRELATION; MECHANICAL-PROPERTIES; AGGREGATE CONCRETE; COARSE AGGREGATE; STRENGTH; DURABILITY;
D O I：
10.3390/ma14123177
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
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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页数：26
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