Laboratory Investigation on the Interface Bonding between Portland Cement Concrete Pavement and Asphalt Overlay

Table 2

Test results from different combinations of normal stress and temperatures.

Temperature (°C)	Normal stress (MPa)	Shear strength (MPa)	IBC (N/cm^3)	Residual strength (MPa)	Residual ratio (%)
0	0	2.35	1445.33	0.00	0.00
	0.5	3.11	1368.16	0.35	11.41
	1.0	4.16	1415.66	0.80	19.35
15	0	0.77	518.21	0.07	9.12
	0.5	0.69	271.38	0.41	58.66
	1.0	1.04	448.46	0.43	41.78
	1.5	1.55	859.79	0.88	56.79
30	0	0.28	161.46	0.14	48.19
	0.5	0.36	158.37	0.30	82.61
	1.0	0.93	417.43	0.71	75.65
	1.5	1.15	343.00	1.01	87.20
45	0	0.12	33.67	0.06	49.42
	0.5	0.31	98.07	0.27	87.51
	1.0	0.57	152.09	0.61	106.28
	1.5	0.58	144.27	0.59	101.97
60	0	0.05	17.78	0.03	56.87
	0.5	0.39	100.75	0.33	83.60
	1.0	0.38	445.05	0.41	106.22
	1.5	0.37	223.72	0.37	99.79