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

Table 4

The parameters of the holes.

Geometrical parameters	Unit
Diameter of a single hole	0.2 m
Depth of a single hole	0.1 m
Area of holes drilled	0.25 m × 0.25 m = 6.25e^−2 m^2
Scope of holes drilled	{L∈(1.375 m, 1.625 m), H∈(0.875 m, 1.125 m)}