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

Table 6

Multilinear regression model for the OSDI of Park and Ang.

Parameter	Estimate	Lower limit	Upper limit
Constant	−0.032	−0.063	−0.001
PGA	0.370	0.234	0.507
PGV	0.084	−0.030	0.199
PGA/PGV	0.005	−0.004	0.014
𝐼0	0.007	0.004	0.009
RMSa	−0.074	−0.156	0.008
𝑇0.90	0.0004	−0.001	0.001
𝑃0.90	−0.004	−0.015	0.006
SIH	0.036	−0.004	0.077
SIK	−0.014	−0.127	0.099
SIMR	−0.379	−0.543	−0.215
EPA	−0.385	−0.652	−0.118
EPAmax	0.076	0.004	0.148
𝐸inp	0.037	0.013	0.061
CAV	−0.020	−0.052	0.011
DPA/S	−0.202	−0.437	0.032
CP	0.038	−0.022	0.098
SD	−0.110	−0.428	0.207
SV	0.167	0.074	0.260
SA	0.031	−0.092	0.154
𝐼F/V/F	0.017	−0.018	0.051