Experimental Investigation on the Application of Ultra-Rapid-Hardening Mortar for Rigid Small Element Pavement

Table 3

Ultra-rapid-hardening cement quality test results.

Setting time (min)		Bleeding ratio (%)	Height change (%)		Compressive strength (MPa)
Initial	Terminal	3 hr	1 day	28 day	2 hr	3 hr	1 day	3 day	7 day	28 day
13	16	0.00	0.00	0.00	38.7	42.2	50.4	51.8	54.2	62.5

Mix proportion (by mass): (Cement : water : retardant = 100 : 15 : 0.2).