Recent Advances in Alkali-Activated Materials with Seawater and Sea Sand
Abstract
:1. Introduction
2. Properties of Fresh and Hardened AAMs with Seawater and Sea Sand
2.1. Workability
2.2. Mechanical Properties
2.3. Drying Shrinkage
2.4. Thermal Properties
2.5. Reinforced and Confined AAMs
3. Reaction Products and Microstructure of AAMs with Seawater and Sea Sand
3.1. Reaction Products
3.2. Microstructure
4. Durability of AAMs with Seawater and Sea Sand
4.1. Acid and Sulfate Resistance
4.2. Reinforcement Corrosion
5. Challenges and Perspectives
6. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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ID in Literature | Initial Setting Time (min) | Final Setting Time (min) | Slump (mm) | Mixture | Reference |
---|---|---|---|---|---|
Tw system | 65 | 125 | 275 | Precursor was a blend of calcium silicate slag, ground granulated blast furnace slag GGBS and fly ash (FA); tap water (Tw) or seawater (Sw) was mixed with sodium silicate to obtain Na2O/H2O mass ratio of 0.1. Water-to-blend ratio was 0.5. | [24] |
Sw system | 60 | 125 | 235 | ||
Tap water-mixed | 55 | 125 | - | GGBS and FA as precursor; solid sodium hydroxide, silicate and carbonate were used as activator, water-(tap water or seawater)-to-solid ratio was 0.45. | [25] |
Seawater-mixed | 50 | 110 | - | ||
Tap water | 23 | 29 | - | GGBS with anhydrous sodium metasilicate (SiO2/Na2O molar ratio 0.9) with mass ratio of 9:1 was used as solid source, and water-to-solid ratio was 1:2.9. | [26] |
Sea water | 31 | 53 | - | ||
FR-OPC | 186 | 336 | 183 | Precursor is a mixture of GGBS, FA and SF, while seawater was mixed with sodium hydroxide and silicate as activator to obtain modulus of 1.2. Paste was of Na2O to binder mass ratio 4%, and mortar was of sand (river sand, sea sand, coral sand) to binder ratio 2. | [28] |
SC-OPC | 142 | 274 | 148 | ||
FR-AAM | 133 | 239 | 180 | ||
SC-AAM | 110 | 177 | 150 | ||
SS-AAM | 177 | 279 | 196 | ||
TM1 | 122 | 223 | 168 | Paste proportion was the same as above, but mixture of sea sand and coral sand (varying ratios) was used as aggregate. | [29] |
TM2 | 113 | 213 | 168 | ||
TM3 | 82 | 158 | 167 | ||
TM4 | 72 | 106 | 170 | ||
TM5 | 126 | 219 | 180 | ||
TM6 | 133 | 210 | 196 | ||
TM7 | 51 | 73 | 138 | ||
TM8 | 53 | 74 | 144 | ||
TM9 | 109 | 173 | 178 | ||
TM10 | 85 | 133 | 156 | ||
TM11 | 98 | 160 | 183 | ||
TM12 | 53 | 74 | 140 | ||
TM13 | 53 | 73 | 140 | ||
TM14 | 40 | 60 | 143 | ||
TM15 | 40 | 56 | 180 | ||
TM16 | 32 | 48 | 178 |
Cl− | Na+ | SO42− | Mg2+ | Ca2+ | K+ | Region | Reference |
---|---|---|---|---|---|---|---|
3000 | 1800 | 410 | 240 | 98 | 67 | Baltic | [30] |
17,035 | 10,231 | 2800 | 1006 | 327 | - | Nanisivik, Baffin Island | [31] |
19,130 | 10,750 | 18,900 | 1370 | 320 | 380 | - | [32] |
22,330 | 11,400 | 3070 | 1328 | 422 | 399 | Kish Island, Iran | [33] |
19,400 | 9500 | 258 | 1100 | 350 | 350 | Trondheim fjord | [34] |
26,000 | 15,000 | 3700 | 2300 | 500 | 520 | Arabian Gulf near UAE | [35] |
18,980 | 10,556 | 2649 | 1262 | 400 | 380 | - | [36] |
41,942 | 7359 | 6802 | 1129 | 381.4 | 316.2 | West Sea in Republic of Korea | [37] |
20,700 | 11,940 | 3420 | 1430 | 439 | 622 | Melbourne | [38] |
22,100 | 8500 | 2600 | 1340 | 410 | 430 | Songjeong, Republic of Korea | [39] |
16,600 | 8300 | 2600 | 920 | 310 | 450 | Samcheok, Republic of Korea | [40] |
19,000 | 7500 | 3300 | 880 | 400 | 490 | Geoje, Republic of Korea | [40] |
16,000 | 7400 | 3000 | 890 | 390 | 470 | Seochen, Republic of Korea | [40] |
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Sun, Z.; Li, X.; Liu, Q.; Tang, Q.; Lin, X.; Fan, X.; Huang, X.; Gan, M.; Chen, X.; Ji, Z. Recent Advances in Alkali-Activated Materials with Seawater and Sea Sand. Materials 2023, 16, 3571. https://doi.org/10.3390/ma16093571
Sun Z, Li X, Liu Q, Tang Q, Lin X, Fan X, Huang X, Gan M, Chen X, Ji Z. Recent Advances in Alkali-Activated Materials with Seawater and Sea Sand. Materials. 2023; 16(9):3571. https://doi.org/10.3390/ma16093571
Chicago/Turabian StyleSun, Zengqing, Xiaoyu Li, Qingsong Liu, Qingyu Tang, Xiaochen Lin, Xiaohui Fan, Xiaoxian Huang, Min Gan, Xuling Chen, and Zhiyun Ji. 2023. "Recent Advances in Alkali-Activated Materials with Seawater and Sea Sand" Materials 16, no. 9: 3571. https://doi.org/10.3390/ma16093571