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Enhancing Early-age Properties of Self-curing Recycled Aggregate Concrete

Article

Last updated: 04 Jan 2025

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Abstract

Recycled aggregate self-curing concrete is one of the new concrete types. It does not need to be cured using traditional curing techniques. Rather than using traditional natural coarse aggregates, it is composed of coarse recycled aggregates. To build water supply reservoirs in the concrete and continue the hydration process, some recycled aggregates can hold large amounts of water that are not included in the mixing water. This research aims to enhance self-curing recycled aggregate concrete's early-age properties. The early-age properties of concrete are discussed in terms of slump values, plastic shrinkage settlement test, and plastic shrinkage panel test. The hardened concrete properties are noted in terms of compressive strength, tensile splitting strength, flexural strength, and bond strength (7, 28, and 56 days). Test results indicated that, in comparison to concrete cast using dolomite as natural aggregate, using recycled aggregate minimizes plastic shrinkage and plastic shrinkage cracks. Using polyethylene glycol (PEG400) and super absorbent polymer (SAP) as chemical curing agents also reduces plastic shrinkage and plastic shrinkage cracks in concrete.

DOI

10.21608/erjm.2024.268863.1320

Keywords

Self-curing concrete, recycled aggregate, super absorbent polymer (SAP), Polyethylene Glycol PEG 400, Plastic Shrinkage

Authors

First Name

Ibrahem

Last Name

Hamed

MiddleName

E.

Affiliation

Civil Engineer

Email

civilibrahem96@gmail.com

City

Shebeen El-koom

Orcid

-

First Name

Mohamed

Last Name

Afify

MiddleName

R.

Affiliation

Civil Engineering department, faculty of Engineering, Menoufia University, Shebeen El-koom, Menoufia, Egypt.

Email

afify-2573@yahoo.com

City

Shebeen Elkoom

Orcid

-

First Name

Alaa

Last Name

Bashandy

MiddleName

A.

Affiliation

Civil Engineering department, faculty of Engineering, Menoufia University, Shebeen El-koom, Menoufia, Egypt

Email

dr.alaa.bashandy@sh-eng.menofia.eg

City

Shebeen El-koom

Orcid

-

Volume

47

Article Issue

4

Related Issue

50555

Issue Date

2024-10-01

Receive Date

2024-02-09

Publish Date

2024-10-01

Page Start

495

Page End

510

Print ISSN

1110-1180

Online ISSN

3009-6944

Link

https://erjm.journals.ekb.eg/article_368047.html

Detail API

https://erjm.journals.ekb.eg/service?article_code=368047

Order

368,047

Type

Original Article

Type Code

1,118

Publication Type

Journal

Publication Title

ERJ. Engineering Research Journal

Publication Link

https://erjm.journals.ekb.eg/

MainTitle

Enhancing Early-age Properties of Self-curing Recycled Aggregate Concrete

Details

Type

Article

Created At

25 Dec 2024