Table 2.

Comparison of measured compressive capacity and nondestructive prediction using wave-drag.

Specimen	Mechanical Test Value/kN	Nondestructive Testing Predicted Value/KN				$\mathit{\delta }/\mathit{\%}$
		Test Section-I	Test Section-II	Test Section-III	Damaged Section
A1	893.071	989.36	989.364	973.353	973.353	8.99
A2	901.374	989.360	989.368	989.363	989.360	9.76
B1	705.417	970.742	954.441	635.153	635.153	9.96
B2	704.705	971.365	967.671	639.241	639.241	9.29
B3	596.740	989.369	989.360	639.113	639.113	7.10
B4	676.541	980.356	983.561	634.38	634.387	6.23
C1	616.995	923.571	975.763	568.057	568.057	7.93
C2	650.008	967.679	973.351	563.672	563.672	13.28
C3	477.374	978.643	981.387	501.321	501.321	5.02
C4	401.442	972.632	975.474	457.486	457.486	13.96