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

Table 8

Mortar strength outcome and comparison.

T (mm)	W (mm)	Age (days)	Avg. compressive strength (MPa)	Avg. punching shear strength (MPa)			Percentage (%)
			Laying course (A)	Fully (B)	Semi (C)	Non (D)	B/A	C/A	D/A
25	10	3	45.6	61.3	57.9	45.8 (3 days)	134.43	126.97	100.44
		28	54.6	68.1	59.5		124.73	108.97
	15	3	45.6	64.4	66.1		141.23	144.96
		28	54.6	71.9	64.7	60.2 (28 days)	131.68	118.50	110.26
	20	3	45.6	63.7	64.8		139.69	142.11
		28	54.6	69.5	65.3		127.29	119.60
50	10	3	45.6	60.7	55.9	46.2 (3 days)	133.11	122.59	101.32
		28	54.6	71.1	61.4		130.22	112.45
	15	3	45.6	67.2	67.5		147.37	148.03
		28	54.6	74.7	69.1	63.8 (28 days)	136.81	126.56	116.85
	20	3	45.6	61.8	65.1		135.53	142.76
		28	54.6	70.5	66.2		129.12	121.25