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Technical Note

Development of High-Performance Self Curing Concrete using Super Absorbent Polymer and Silica Fume additives

Anju Mary Ealias1Emlin V2

1Department of Civil Engineering, SCMS School of Engineering and Technology, Kerala, India

2Department of Mechanical Engineering, School of Engineering, CUSAT, Kerala, India

Keywords

Abstract





Concrete;



Compressive strength;



Polymer

Curing plays a vital role in determining the mechanical properties of hardened concrete. The use of Super Absorbent polymer (SAP) has been found to be highly effective in reducing the water requirement for curing. Silica Fume (SF) is commonly used as a mineral admixture in High Performance Concrete (HPC) to improve mechanical and durability properties. But when silica fume was incorporated in SAPs, contradictory results with respect to strength after curing has been reported and this study aims to evaluate the effect of altering dosage of SAP and SF to maximize the strength and to reduce the water requirements in HPC. Concrete tested include traditional HPC and specimens of HPC with SAP, HPC with SF and HPC with combined dosage of SAP and SF. Compressive strength test, Split Tensile test and Sulphate attack test were conducted as per relevant Indian Standards. The dosage of SAP and SF were individually varied in the initial stage and from the experimental results, optimal dosage of SAP and SF was determined. The combined specimen with the optimal dosage of SAP and SF was tested in the final stage. The results showed that self-curing effect of SAP and the filler effect of SF maximize the compressive and tensile strength of hardened concrete. The optimal dosage was derived as 0.35% (by weight of cement) for SAP and 10% (by weight of cement) for SF and higher SAP or SF content in HPC was found to be detrimental with respect to strength.

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01/01/2024 Best Paper Award: The winners of 2023 Best Paper Award of Research on Engineering Structures and Materials (RESM) are announced. More information can be found at Author Awards section.


01/01/2024 Most Cited Paper Award: The winners of 2023 Most Cited Paper Award of Research on Engineering Structures and Materials (RESM) are announced. More information can be found at Author Awards section.


01/01/2024 Reviewer Awards: The winners of 2023 reviewer awards of Research on Engineering Structures and Materials (RESM) are announced. More information can be found at Reviewer Awards section.


8/12/2023 Special Issue: Embark on a journey of innovation with the journal of Research on Engineering Structures and Materials as we unveil a compelling opportunity for contributors in our upcoming special issue, "Design, Analysis, and Manufacturing of Composite Vehicle Structures." Led by distinguished Guest Editors Liubov Gavva and Oleg Mitrofanov from Moscow Aviation Institute. For more info see the link.


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LATEST AWARDS


2023 Reviewer Awards:

Please, visit Reviewer Awards section for the winners of the 2022 RESM reviewer awards.



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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