Table 7.

UPV values to define damage degree.

Mix No.	Specimen No.	UPV before Cracking (km/s)	UPV after Cracking (km/s)	Damage Degree (%)	Average Damage Degree (%)	S.D.
M1	1	4.513	4.248	5.9	6.03	0.115
	2	4.546	4.277	6.1
	3	4.519	4.246	6.1
M2	1	4.129	3.873	6.2	6.63	0.379
	2	4.098	3.818	6.8
	3	4.115	3.831	6.9
M3	1	4.139	3.874	6.4	6.27	0.153
	2	4.184	3.929	6.1
	3	4.125	3.865	6.3
M4	1	4.214	3.953	6.2	6.03	0.208
	2	4.151	3.914	5.8
	3	4.122	3.870	6.1
M5	1	4.201	3.995	4.9	4.77	0.153
	2	4.151	3.951	4.8
	3	4.167	3.975	4.6
M6	1	4.112	3.928	4.4	4.27	0.153
	2	4.114	3.937	4.3
	3	4.122	3.951	4.1
M7	1	4.181	4.023	3.8	3.50	0.265
	2	4.182	4.044	3.3
	3	4.196	4.055	3.4