Inventive Microstructural and Durability Investigation of Cementitious Composites Involving Crystalline Waterproofing Admixtures and Portland Limestone Cement
Abstract
:1. Introduction
2. Experimental Methodology
2.1. Phase I
Image Analysis of Polished Sections
2.2. Phase II
2.3. Phase III
3. Results and Discussion
3.1. Phase I
3.2. Phase II
3.3. Phase III
3.3.1. Micrographs and Morphological Aspects
3.3.2. EDS results
4. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Physical Properties | ||||
---|---|---|---|---|
K Admixture | P Admixture | X Admixture | Cement | |
Color | Gray | Gray | Gray | Gray to gray-brown |
Texture | Powder | Powder | Powder | Granular Solid |
Particle size | 40–150 µm | NR | NR | NR |
Specific Gravity | 2.6–3.0 | NR | 2.0–2.8 | 3.15 |
pH | 12–14 | 10–13 | 9.1–9.8 | 13 |
Solids | 100% | 100% | 100% | 100% |
Chemical Properties | ||||
Portland Cement | 28%–40% | 65%–80% | 35%–60% | - |
Silica Sand | 30%–40% | - | 30%–40% | - |
Alkaline Earth Compounds (Calcium dihydroxide) | - | - | 5%–20% | - |
Calcium magnesium hydroxide | - | 1.5%–6% | - | - |
Calcium magnesium hydroxide oxide | - | 1.5%–6% | - | - |
Calcium hydroxide | 5%–20% | 1%–2% | - | - |
Proprietary Portion | NR | 15%–40% | NR | - |
Phase | Mix ID | Materials | Curing Age (Days) | ||
---|---|---|---|---|---|
Mix Proportions (kg/m3) | |||||
Cement | Fine Aggregate | Water | |||
Phase I and II | O (OPC) | 736 | 2207 | 368 | 28 |
O-K | |||||
L (PLC) | |||||
L-K | |||||
Phase III | O (Control) | 56 | |||
O-K | |||||
O-P | |||||
O-X |
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Azarsa, P.; Gupta, R.; Biparva, A. Inventive Microstructural and Durability Investigation of Cementitious Composites Involving Crystalline Waterproofing Admixtures and Portland Limestone Cement. Materials 2020, 13, 1425. https://doi.org/10.3390/ma13061425
Azarsa P, Gupta R, Biparva A. Inventive Microstructural and Durability Investigation of Cementitious Composites Involving Crystalline Waterproofing Admixtures and Portland Limestone Cement. Materials. 2020; 13(6):1425. https://doi.org/10.3390/ma13061425
Chicago/Turabian StyleAzarsa, Pejman, Rishi Gupta, and Alireza Biparva. 2020. "Inventive Microstructural and Durability Investigation of Cementitious Composites Involving Crystalline Waterproofing Admixtures and Portland Limestone Cement" Materials 13, no. 6: 1425. https://doi.org/10.3390/ma13061425