Seismic-Parameter-Based Statistical Procedures for the Approximate Assessment of Structural Damage

Table 5

Damage classification limits.

	Damage classes
	Low	Medium	Large	Total
OSDIs of Park and Ang (DIP/A,Global) and of DiPasquale and Cakmak (𝛿𝑀)	≤0.3	0.3 < OSDI ≤ 0.6	0.6 < OSDI ≤ 0.8	>0.8
MISDR (%)	≤0.5	0.5 < MISDR ≤ 1.5	1.5 < MISDR ≤ 2.5	>2.5