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Research Article

Mechanical properties and fracture behavior of concrete made with sintered fly ash lightweight coarse aggregate and electric arc furnace slag as fine aggregate

Brijesh Singh1, Shamsher Bahadur Singh2, Sudhirkumar V. Barai2, P N Ojha3, Rohit Kumar3

1Birla Institute of Technology & Sciences Pilani, Pilani & Group Manager at National Council for Cement and Building Materials, Ballabgarh, India
2Department of Civil Engineering, Birla Institute of Technology and Sciences Pilani, Pilani, India
3National Council for Cement and Building Materials, Ballabgarh, India

Keywords

Abstract


Sintered fly ash lightweight coarse aggregate;

 Electric arc furnace slag;

 Lightweight concrete; 

Modulus of elasticity; 

Stress-strain; 

Fracture behavior

The present work evaluates mechanical properties and fracture behaviour of concrete made with combination of sintered flyash lightweight coarse aggregate (SFA) and electric arc furnace (EAF) slag as fine aggregate. The mechanical properties and fracture performance of concrete has been evaluated at w/b of 0.6 and 0.4 for three concrete mix combinations namely (a) lightweight concrete with SFA and natural fine aggregate (b) lightweight concrete with SFA and electric arc furnace slag as fine aggregate (c) normal concrete with granite aggregate and electric arc furnace slag. The concrete mixes prepared are evaluated for compressive, flexural strength, split tensile strength, elastic modulus and stress strain curve behaviour. Fracture behaviour has been investigated on notched beams of size 100*100*500 mm under three-point bend test as per RILEM procedure for both normal weight and lightweight concrete. The plot of Load vs CMOD (Crack Mouth Opening Displacement) and Load vs displacement were used for evaluating the fracture behaviour of both types of concrete using various standards and RILEM recommendations. Fracture performance has been compared in terms of parameters such as modulus of elasticity, fracture energy, initial load compliance, stress-intensity factor, energy release rate, and characteristic length.

© 2024 MIM Research Group. All rights reserved.

DOI:http://dx.doi.org/10.17515/resm2024.396me0814rs                    Full Text


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16/12/2024 Our Publication Frequency is Increasing: 

Dear readers,

Thank you for your immense interest and support for our journal. Starting in 2025, we are increasing our annual publication frequency from 4 to 6 issues to bring you even more content! We will continue to share groundbreaking research and innovative ideas with you through our new issues.With your support, we keep growing and evolving. 

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20/08/2024 Engineering Village Ei Compendex Index: 

Journal of Research on Engineering Structures and Materials has been accepted for inclusion in the Ei Compendex index. Ei Compendex, formerly known as the Engineering Index, is one of Elsevier's flagship databases, renowned for providing comprehensive and reliable content in the field of engineering dating back to 1884. This inclusion will enhance the visibility of our journal and further support the dissemination of high-quality research.


20/04/2024 Collaboration for HSTD-2024: Editorial Board of our journal and Organizing Committee of the III. International Conference on High-Speed Transport Development (HSTD) have agreed to collaborate. Extended versions of the selected papers from the conference will be published in our journal. For more see Events.

20/04/2024 Collaboration for DSL2024-SS1: Editorial Board of our journal and Organizing Committee of the DSL2024 Fluid Flow, Energy Transfer & Design (SS1) have agreed to collaborate. Extended versions of the selected papers from the session will be published in our journal. For more see Events. .



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2023 Reviewer Awards:

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2023 Best Paper Award:

The paper authored by Ferzan Fidan, Naim Aslan, Mümin Mehmet Koç entitled as “Morpho-structural and compressive mechanical properties of graphene oxide reinforced hydroxyapatite scaffolds for bone tissue applications” is awarded.



2023 Most Cited Paper Award:

The paper authored by Ercan Işık, Ehsan Harirchian, Hüseyin Bilgin, Kirti Jadhav entitled as “The effect of material strength and discontinuity in RC structures according to different site-specific design spectra" is awarded.


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