Performance of pervious concrete containing combined recycled aggregates

Author:

Ulloa-Mayorga Vivian AndreaORCID,Uribe-Garcés Manuel Antonio,Paz-Gómez Diego Paúl,Alvarado Yezid AlexanderORCID,Torres BenjamínORCID,Gasch IsabelORCID

Abstract

This study evaluates the influence of incorporating two different types of recycled aggregates (RA) from construction and demolition waste (CDW), brick ceramic aggregate (RA1) and crushed concrete aggregate (RA2), from the city of Bogotá, on the performance of pervious concrete under compression and flexural strength. The substitution of RA in the production of pervious concrete is outlined, taking into account five substitution levels. For the pervious concrete mixes, aggregates of sizes retained in a sieve of 1/2” and 3/8” were used. The pervious concrete mixes were submitted, 28 days later, to density tests, void content, compression and flexural strength and permeability. Such pervious concrete with RA reaches compression and flexural strength of up to 5,79 MPa and 2,14 MPa, respectively, which are within the allowed range by the ACI, reaching a permeability of 24,79 mm/s, value that is superior to the common characteristics of pervious concrete

Publisher

Universidad Nacional de Colombia

Subject

General Engineering,Building and Construction

Reference26 articles.

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2. ACI Committee 522. ACI 522R-10 Report on Pervious Concrete (2010). Farmington Hills, MI.

3. AENOR. Norma UNE-EN 933-11:2009. Ensayos para determinar las propiedades geométricas de los áridos. Parte 11: Ensayo de clasificación de los componentes de los áridos gruesos reciclados. (2009). AENOR.

4. ASTM International. Método de Ensayo Normalizado para la Determinación de la Resistencia a la Flexión del Concreto (Utilizando Viga Simple con Carga en los Tercios del Claro). ASTM C78/C78M-02 (2002).

5. ASTM International. Standard Test Method for Density, Relative Density (Specific Gravity), and Absorption of Coarse Aggregate. ASTM C127-07 (2007). DOI: 10.1520/C0127-15

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