Improvement of Early-Age Mechanical Properties of Cement Mortar by Adding Biochar of the Santa Maria Feverfew Plant †
Abstract
:1. Introduction
2. Materials and Methods
3. Results and Discussion
3.1. Compressive Strength
3.2. Flexural Strength
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Cement | Sand | ||||
---|---|---|---|---|---|
Compound | %Age | Property | Value | Property | Value |
CaO | 61 | Specific gravity | 3.1 | Specific gravity | 2.7 |
SiO2 | 21 | Soundness | 2% | Fineness modulus | 2.7 |
Fe2O3 | 3 | Fineness | 1% | Bulk density (Kg/m3) | 1480 |
Al2O3 | 6 | Initial setting time | 30 min | Dry rodded bulk density (Kg/m3) | 1820 |
MgO | 1.5 | Final setting time | 610 min | Water absorption(%) | 3.9 |
Alkalis | 0.5 | Consistency | 24% | Water content (%) | 1.98 |
Gypsum | 4 |
Samples | OPC (g) | Sand (g) | Water (mL) | Biochar (g) | Admixture (mL) | W/C |
---|---|---|---|---|---|---|
C0 | 610 | 916 | 214 | 0 | 6 | 0.35 |
C0.05 | 610 | 916 | 214 | 0.305 | 6 | 0.35 |
C0.1 | 610 | 916 | 214 | 0.61 | 6 | 0.35 |
Specimen | Compressive Strength (MPa) | ||
---|---|---|---|
3 Days | 7 Days | % Difference | |
C0 | 13.2 | 16.7 | |
C0.05 | 12.3 | 15.3 | −8 |
C0.1 | 12.5 | 15.8 | −5 |
Specimen | Flexural Strength (MPa) | ||
---|---|---|---|
3 Days | 7 Days | % Difference | |
C0 | 1.3 | 1.9 | |
C0.05 | 1.7 | 2.4 | 26 |
C0.1 | 2.1 | 2.7 | 42 |
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Subhani, A.K.; Nisar, M.; Khitab, A. Improvement of Early-Age Mechanical Properties of Cement Mortar by Adding Biochar of the Santa Maria Feverfew Plant. Eng. Proc. 2023, 44, 7. https://doi.org/10.3390/engproc2023044007
Subhani AK, Nisar M, Khitab A. Improvement of Early-Age Mechanical Properties of Cement Mortar by Adding Biochar of the Santa Maria Feverfew Plant. Engineering Proceedings. 2023; 44(1):7. https://doi.org/10.3390/engproc2023044007
Chicago/Turabian StyleSubhani, Ahmed Kamal, Mohib Nisar, and Anwar Khitab. 2023. "Improvement of Early-Age Mechanical Properties of Cement Mortar by Adding Biochar of the Santa Maria Feverfew Plant" Engineering Proceedings 44, no. 1: 7. https://doi.org/10.3390/engproc2023044007