Table 5.

Previous studies on compressive strength of lightweight aggregate concrete.

Researcher	Aggregate	28 Days of Compressive Strength (MPa)
Risdanareni et al. (2020) [22]	Alkali-activated fly-ash-based artificial lightweight aggregate	64.0
Sahoo et al. (2020) [81]	Sintered fly ash aggregate with synthetic fiber	46.0
Wang et al. (2020) [38]	Autoclaved quartz tailing lightweight aggregate	74.0
Patel et al. (2019) [35]	SBR-modified lightweight aggregate	42.0
Abbas et al. (2018) [46]	Sintered fly ash aggregate	35.8
Lau et al. (2018) [82]	Sintered lime-treated sewage sludge and palm oil fuel ash	50.4