Mechanical Properties and Microstructures of Regenerated Cement from Waste Concrete

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Yileng Du
Yileng Du
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Hongjuan Zuo
Hongjuan Zuo
α University Technical College Portsmouth

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Mechanical Properties and Microstructures of Regenerated Cement from Waste Concrete

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Abstract

It has been a long time since humans started using waste materials in engineering applications. This approach not only reduces the yield of waste, while minimizing the costs of disposal but also limit the cost of new materials. In the field of construction, the reuse of waste concretes has been a strong research in recent years. However the processing of the wastes normally involves complicated processing and lab equipment. In this report we crush and dehydrate waste concretes with normal lab facilities and re-make the cement composites. The waste concretes were crushed and dehydrated at two temperatures, 1280 and 1400 ˚ C. To balance the concentration of silica and lime, extra lime at 28.5% and 16% were added to the waste concretes. The resultant materials were evaluated with respect to the chemical composition, mechanical properties, and microstructures. It is concluded that the material dehydrated at 1400 ˚C and containing 28.5% lime presents the best mechanical performance. This report presents a simple and inexpensive method to reuse the waste concretes in applications such as pavements.

References

4 Cites in Article
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  2. Yujin Zeng,Zhenghui Xie,Shuang Liu (2017). Seasonal effects of irrigation on land–atmosphere latent heat, sensible heat, and carbon fluxes in semiarid basin.
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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

How to Cite This Article

Yileng Du. 2017. \u201cMechanical Properties and Microstructures of Regenerated Cement from Waste Concrete\u201d. Global Journal of Research in Engineering - E: Civil & Structural GJRE-E Volume 17 (GJRE Volume 17 Issue E3): .

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Journal Specifications

Crossref Journal DOI 10.17406/gjre

Print ISSN 0975-5861

e-ISSN 2249-4596

Keywords
Classification
GJRE-E Classification: FOR Code: 090506
Version of record

v1.2

Issue date

December 18, 2017

Language
en
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It has been a long time since humans started using waste materials in engineering applications. This approach not only reduces the yield of waste, while minimizing the costs of disposal but also limit the cost of new materials. In the field of construction, the reuse of waste concretes has been a strong research in recent years. However the processing of the wastes normally involves complicated processing and lab equipment. In this report we crush and dehydrate waste concretes with normal lab facilities and re-make the cement composites. The waste concretes were crushed and dehydrated at two temperatures, 1280 and 1400 ˚ C. To balance the concentration of silica and lime, extra lime at 28.5% and 16% were added to the waste concretes. The resultant materials were evaluated with respect to the chemical composition, mechanical properties, and microstructures. It is concluded that the material dehydrated at 1400 ˚C and containing 28.5% lime presents the best mechanical performance. This report presents a simple and inexpensive method to reuse the waste concretes in applications such as pavements.

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Mechanical Properties and Microstructures of Regenerated Cement from Waste Concrete

Yileng Du
Yileng Du University Technical College Portsmouth
Hongjuan Zuo
Hongjuan Zuo

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