Effects of Shrinkage Reducing Agent and Expansive Additive on Mortar Properties

Table 3

Mixture proportions of the mortars.

Mix number	Sample	W/B	EX; (%)	SRA; (%)	FA; (%)	Unit weight (kg/m^3)						Unit weight in fresh state (kg/m^3)
						W	C	EX	SRA	FA	S
(control)	C	0.7	0	0	0	337	482	0	0	0	1,325	2,144
(2)	C + EX		15			337	410	72	0	0	1,325	2,145
(3)	C + EX + FA20				20	334	324	72	0	81	1,311	2,122
(4)	C + EX + FA40				40	330	241	71	0	160	1,297	2,100
(5)	C + SRA		0	2	0	328	482	0	10	0	1,325	2,144
(6)	C + SRA + FA20				20	324	381	0	10	95	1,309	2,117
(7)	C + SRA + FA40				40	320	282	0	9	188	1,292	2,091
(8)	C + EX + SRA		15		0	328	410	72	10	0	1,325	2,144
(9)	C + EX + SRA + FA20				20	324	324	72	10	81	1,311	2,122
(10)	C + EX + SRA + FA40				40	321	241	71	9	160	1,297	2,099

Note. W: water, C: cement, EX: expansive additive, SRA: shrinkage reducing agent, FA: fly ash, and S: sand.