Table 4.
Previous studies on mechanical properties of lightweight aggregate.
| Researcher | Aggregate | Crushing Strength (MPa) | Aggregate Impact Value, AIV (%) |
|---|---|---|---|
| Ding et al. (2022) [72] | Phosphogypsum-based cold-bonded aggregates | 8.11–11.04 | - |
| Zafar et al. (2021) [58] | Foam Lightweight Aggregate | 0.35–0.83 | - |
| Geopolymer Lightweight Aggregate | 3.69–4.14 | ||
| Aslam et al. (2020) [74] | Geopolymer Lightweight Aggregate (fly ash, silica fume, baking soda) | 3.34–4.54 | 10.03 |
| Saleem et al. 2020 [29] | Geopolymer lightweight aggregates sintered by microwave radiations | 3.08–3.96 | 22.1–35.7 |
| Saad et al. (2019) [75] | Artificial granular lightweight aggregates (bottom ash + cement) | 4.0–7.13 | 25.5–42.5 |
| Taijra et al. (2018) [53] | Core-shell structured lightweight aggregate (expanded perlite powder + fly ash) | 2.04–2.66 | - |
| Shivaprasad and Das (2018) [64] | Fly ash aggregate (Ambient Cured) | 2.87 | 27.57 |
| Fly ash aggregate (60 °C Cured) | 3.68 | 24.10 | |
| Fly ash aggregate (80 °C Cured) | 4.01 | 23.50 | |
| Mohamad Ibrahim et al. (2018) [44] | Cold-bonded lightweight aggregate (cured at room temperature) | - | 17.2–57.9 |
| Cold-bonded lightweight aggregate (cured under water at room temperature) | 15.4–55.7 | ||
| Cold-bonded lightweight aggregate (cured at oven) | 25.4–61.0 | ||
| Cold-bonded lightweight aggregate (cured under water at oven) | 22.1–58.5 | ||
| Abdullah et al. (2018) [76] | Fly ash geopolymer artificial aggregate (fly ash/alkaline activator = 2.0) | - | 23.19 |
| Fly ash geopolymer artificial aggregate (fly ash/alkaline activator = 2.5) | 23.14 | ||
| Fly ash geopolymer artificial aggregate (fly ash/alkaline activator = 3.0) | 19.6 | ||
| Fly ash geopolymer artificial aggregate (fly ash/alkaline activator = 3.5) | 25.56 |