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Production of Recycled Aggregate Concrete Using Construction and Demolition Waste

Oikonomopoulou, K. / Savva, P. / Ioannou, S. / Nicolaides, D. / Petrou, M. F.

The objective of this research was to evaluate the performance of concrete containing recycled aggregates of different sizes and replacement percentages. Mixtures were prepared using a combination of natural and recycled aggregates. The recycled aggregates were treated in a concrete mixer truck to partially remove the adhered cement paste in order to compare their performance in concrete as opposed to natural aggregates and non-treated recycled aggregates. One high-strength concrete series of mixtures was prepared to employ the concept of internal curing. The mixtures were tested for their mechanical properties and durability. The results showed that the addition of recycled aggregates in concrete up to a specific replacement percentage did not adversely affect the concrete properties. The specific research suggests that recycled aggregates can be a very good alternative source to reduce natural aggregates consumption and utilize waste material.

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Production of Recycled Aggregate Concrete Using Construction and Demolition Waste

Oikonomopoulou, K. / Savva, P. / Ioannou, S. / Nicolaides, D. / Petrou, M. F.

The objective of this research was to evaluate the performance of concrete containing recycled aggregates of different sizes and replacement percentages. Mixtures were prepared using a combination of natural and recycled aggregates. The recycled aggregates were treated in a concrete mixer truck to partially remove the adhered cement paste in order to compare their performance in concrete as opposed to natural aggregates and non-treated recycled aggregates. One high-strength concrete series of mixtures was prepared to employ the concept of internal curing. The mixtures were tested for their mechanical properties and durability. The results showed that the addition of recycled aggregates in concrete up to a specific replacement percentage did not adversely affect the concrete properties. The specific research suggests that recycled aggregates can be a very good alternative source to reduce natural aggregates consumption and utilize waste material.

Production of Recycled Aggregate Concrete Using Construction and Demolition Waste

Oikonomopoulou, K. / Savva, P. / Ioannou, S. / Nicolaides, D. / Petrou, M. F.

The objective of this research was to evaluate the performance of concrete containing recycled aggregates of different sizes and replacement percentages. Mixtures were prepared using a combination of natural and recycled aggregates. The recycled aggregates were treated in a concrete mixer truck to partially remove the adhered cement paste in order to compare their performance in concrete as opposed to natural aggregates and non-treated recycled aggregates. One high-strength concrete series of mixtures was prepared to employ the concept of internal curing. The mixtures were tested for their mechanical properties and durability. The results showed that the addition of recycled aggregates in concrete up to a specific replacement percentage did not adversely affect the concrete properties. The specific research suggests that recycled aggregates can be a very good alternative source to reduce natural aggregates consumption and utilize waste material.

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Title:

Production of Recycled Aggregate Concrete Using Construction and Demolition Waste

Additional title:

RILEM Bookseries

Contributors:

Sena-Cruz, José (editor) / Correia, Luis (editor) / Azenha, Miguel (editor) / Oikonomopoulou, K. (author) / Savva, P. (author) / Ioannou, S. (author) / Nicolaides, D. (author) / Petrou, M. F. (author)

Conference:

RILEM Spring Convention and Conference ; 2020 ; Guimarães, Portugal

Published in:

Proceedings of the 3rd RILEM Spring Convention and Conference (RSCC 2020) ; Chapter: 24 ; 267-277

RILEM Bookseries ; 34

Publication date:

2021-07-14

Size:

11 pages

ISBN:

978-3-030-76465-4 , 978-3-030-76464-7

ISSN:

2211-0852 , 2211-0844

DOI:

https://doi.org/10.1007/978-3-030-76465-4_24

Type of media:

Article/Chapter (Book)

Type of material:

Electronic Resource

Language:

English

Keywords:

Adhered mortar , Treatment method , Mineral admixtures , Recycled concrete aggregate , Recycled aggregate concrete , Internal curing Engineering , Building Materials , Building Construction and Design , Structural Materials

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