Influence of waste concrete aggregates on the performance and durability of OPC concrete / Ahmad Ruslan Mohd Ridzuan, Azmi Ibrahim and Abdul Manaff Mohd Ismail

The effects of using crushed waste concrete as course aggregates upon compressive strength and carbonation were investigated. Waste concrete cubes, which had been tested for compressive strength in compliance with construction specification, were crushed and utilized as coarse recycled aggregates i...

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Main Authors: Mohd Ridzuan, Ahmad Ruslan, Ibrahim, Azmi, Mohd Ismail, Abdul Manaff
Format: Article
Language:English
Published: Institute of Research, Development and Commercialisation (IRDC) 2005
Subjects:
Online Access:https://ir.uitm.edu.my/id/eprint/12800/
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author Mohd Ridzuan, Ahmad Ruslan
Ibrahim, Azmi
Mohd Ismail, Abdul Manaff
author_facet Mohd Ridzuan, Ahmad Ruslan
Ibrahim, Azmi
Mohd Ismail, Abdul Manaff
author_sort Mohd Ridzuan, Ahmad Ruslan
building UiTM Institutional Repository
collection Online Access
description The effects of using crushed waste concrete as course aggregates upon compressive strength and carbonation were investigated. Waste concrete cubes, which had been tested for compressive strength in compliance with construction specification, were crushed and utilized as coarse recycled aggregates in new concrete. It is important to mention that, in order to simulate the real life conditions, waste concrete with very minimal information about its originality was used in its natural moisture condition. Tests on the aggregates showed that the recycled concrete aggregates have lower specific gravity and bulk density but have higher water absorption capacity than the natural aggregates. The resistance to mechanical actions such as impact and crushing for recycled concrete aggregates is also lower. Concrete mixes with design strength of 30 N/mm2, 35 N/mm2 and 40 N/mm2 were prepared using this recycled aggregates as coarse aggregates and tested. From the strength point of view the recycled aggregate concrete compared well with natural aggregate concrete. Therefore, it could be considered for various potential applications. With respect to resistance to carbonation the recycled aggregate concrete shows comparable performance.
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spelling uitm-128002016-05-30T07:02:24Z https://ir.uitm.edu.my/id/eprint/12800/ Influence of waste concrete aggregates on the performance and durability of OPC concrete / Ahmad Ruslan Mohd Ridzuan, Azmi Ibrahim and Abdul Manaff Mohd Ismail srj Mohd Ridzuan, Ahmad Ruslan Ibrahim, Azmi Mohd Ismail, Abdul Manaff Strength and testing The effects of using crushed waste concrete as course aggregates upon compressive strength and carbonation were investigated. Waste concrete cubes, which had been tested for compressive strength in compliance with construction specification, were crushed and utilized as coarse recycled aggregates in new concrete. It is important to mention that, in order to simulate the real life conditions, waste concrete with very minimal information about its originality was used in its natural moisture condition. Tests on the aggregates showed that the recycled concrete aggregates have lower specific gravity and bulk density but have higher water absorption capacity than the natural aggregates. The resistance to mechanical actions such as impact and crushing for recycled concrete aggregates is also lower. Concrete mixes with design strength of 30 N/mm2, 35 N/mm2 and 40 N/mm2 were prepared using this recycled aggregates as coarse aggregates and tested. From the strength point of view the recycled aggregate concrete compared well with natural aggregate concrete. Therefore, it could be considered for various potential applications. With respect to resistance to carbonation the recycled aggregate concrete shows comparable performance. Institute of Research, Development and Commercialisation (IRDC) 2005 Article PeerReviewed text en https://ir.uitm.edu.my/id/eprint/12800/1/AJ_AHMAD%20RUSLAN%20MOHD%20RIDZUAN%20SRJ%2005%201.pdf Mohd Ridzuan, Ahmad Ruslan and Ibrahim, Azmi and Mohd Ismail, Abdul Manaff (2005) Influence of waste concrete aggregates on the performance and durability of OPC concrete / Ahmad Ruslan Mohd Ridzuan, Azmi Ibrahim and Abdul Manaff Mohd Ismail. (2005) Scientific Research Journal <https://ir.uitm.edu.my/view/publication/Scientific_Research_Journal.html>, 2 (2). pp. 49-59. ISSN 1675-7009 https://srj.uitm.edu.my/
spellingShingle Strength and testing
Mohd Ridzuan, Ahmad Ruslan
Ibrahim, Azmi
Mohd Ismail, Abdul Manaff
Influence of waste concrete aggregates on the performance and durability of OPC concrete / Ahmad Ruslan Mohd Ridzuan, Azmi Ibrahim and Abdul Manaff Mohd Ismail
title Influence of waste concrete aggregates on the performance and durability of OPC concrete / Ahmad Ruslan Mohd Ridzuan, Azmi Ibrahim and Abdul Manaff Mohd Ismail
title_full Influence of waste concrete aggregates on the performance and durability of OPC concrete / Ahmad Ruslan Mohd Ridzuan, Azmi Ibrahim and Abdul Manaff Mohd Ismail
title_fullStr Influence of waste concrete aggregates on the performance and durability of OPC concrete / Ahmad Ruslan Mohd Ridzuan, Azmi Ibrahim and Abdul Manaff Mohd Ismail
title_full_unstemmed Influence of waste concrete aggregates on the performance and durability of OPC concrete / Ahmad Ruslan Mohd Ridzuan, Azmi Ibrahim and Abdul Manaff Mohd Ismail
title_short Influence of waste concrete aggregates on the performance and durability of OPC concrete / Ahmad Ruslan Mohd Ridzuan, Azmi Ibrahim and Abdul Manaff Mohd Ismail
title_sort influence of waste concrete aggregates on the performance and durability of opc concrete / ahmad ruslan mohd ridzuan, azmi ibrahim and abdul manaff mohd ismail
topic Strength and testing
url https://ir.uitm.edu.my/id/eprint/12800/
https://ir.uitm.edu.my/id/eprint/12800/