Damage Index Analysis of Retaining Wall Structures Based on the Impulse Response Function and Virtual Impulse Response Function

Table 7

The values of damage indexes of different points (the second time test at excitation point I).

Points	Damage index	Case 1	Case 3	Case 6	Case 8
Point 1	ersd	0	0.0302	0.0466	0.0529
	ERSD	0	0.0216	0.0309	0.0352
Point 7	ersd	0	0.0224	0.0245	0.0294
	ERSD	0	0.0309	0.0343	0.0457
Point 12	ersd	0	0.5582	1.5044	2.4707
	ERSD	0	0.6670	1.8320	3.0664
Point 25	ersd	0	0.0962	0.1447	0.1824
	ERSD	0	0.1062	0.1602	0.1892