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

Table 7

Multilinear regression model for the OSDI of Park and Ang without the constant term.

Parameter	Estimate	Lower Limit	Upper Limit
PGA	0.324	0.195	0.454
PGV	0.072	−0.042	0.186
PGA/PGV	−0.001	−0.008	0.005
𝐼0	0.007	0.005	0.009
RMSa	−0.095	−0.175	−0.016
𝑇0.90	−0.001	−0.002	0.000
𝑃0.90	−0.003	−0.014	0.007
SIH	0.028	−0.012	0.068
SIK	−0.010	−0.123	0.104
SIMR	−0.337	−0.496	−0.178
EPA	−0.370	−0.637	−0.102
EPAmax	0.076	0.003	0.148
𝐸inp	0.043	0.019	0.067
CAV	−0.020	−0.052	0.012
DPA/S	−0.202	−0.437	0.034
CP	0.008	−0.044	0.060
SD	−0.086	−0.403	0.232
SV	0.154	0.062	0.247
SA	0.045	−0.077	0.168
𝐼F/V/F	0.016	−0.018	0.051