Table 3.
Previous studies on water absorption of lightweight aggregate.
| Researcher | Aggregate | Water Absorption (%) |
|---|---|---|
| Ren et al. (2020) [31] | Artificial aggregate (fly ash + clay) | 8.7 |
| Artificial aggregate (fly ash + clay + coke particles) | 22.97 | |
| Artificial aggregate (fly ash + clay + sodium carbonate solution) | 8.84 | |
| Risdanareni et al. (2020) [22] | Alkali activated Fly ash-based artificial lightweight aggregate (4 M NaOH) | 23.92 |
| Alkali activated Fly ash-based artificial lightweight aggregate (6 M NaOH) | 23.23 | |
| Alkali activated Fly ash-based artificial lightweight aggregate (8 M NaOH) | 22.08 | |
| Rehman et al. (2020) [68] | Lightweight aggregate (fly ash + GGBS + 10% cement) | 14.53 |
| Lightweight aggregate (fly ash + GGBS + 20% cement) | 12.50 | |
| Vali and Murugan (2019) [57] | Cold-bonded artificial aggregate (fly ash + hydrated lime + cement + nano SiO2) | 22.9–30.1 |
| Cold-bonded artificial aggregate (fly ash + hydrated lime + metakaolin + nano SiO2) | 20.7–28.2 | |
| Cold-bonded artificial aggregate (fly ash + hydrated lime + slag + nano SiO2) | 12.5–23.8 | |
| Narattha and Chaipanich (2018) [70] | Cold-bonded fly ash lightweight aggregates | 14.08 |
| Cold-bonded fly ash lightweight aggregates (Additional of Portland cement) | 13.34–16.90 | |
| Cold-bonded fly ash lightweight aggregates (Calcium hydroxide) | 14.10–18.46 | |
| Mohamad Ibrahim et al. (2018) [44] | Cold-bonded lightweight aggregate (cured at room temperature) | 22.1–39.8 |
| Cold-bonded lightweight aggregate (cured under water at room temperature) | 21.1–39.0 | |
| Cold-bonded lightweight aggregate (cured at oven) | 26.5–41.3 | |
| Cold-bonded lightweight aggregate (cured under water at oven) | 24.5–39.5 |