AIC	Acoustic insulation concrete
CR	Crumb rubber
CRC	Crumb rubber concrete
EPS	Polystyrene granules
FA/GGBS	Fly ash/Ground granulated blast furnace slag
FC	Foam concrete
FCR	Fiber crumb rubber
FGC	Foam glass concrete
GDL	Brown algae, D-Gluconic acid δ-Lactone
GFC	Geopolymer foam concrete
ID	Identifier
LWA	Lightweight aggregate
LWC	Lightweight concrete
NRC	Noise reduction coefficient
OPC	Ordinary Portland cement
RC	Reinforced concrete
Rw	Sound reduction index
SAA	Sound absorption average
SAC	Sound absorption coefficients
TL	Transmission loss