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

Table 8

Multilinear regression model for the MISDR.

Parameter	Estimate	Lower limit	Upper limit
Constant	−0.072	−0.290	0.147
PGA	2.331	1.380	3.281
PGV	0.359	−0.438	1.156
PGA/PGV	0.046	−0.017	0.109
𝐼0	0.043	0.028	0.058
RMSa	−0.322	−0.893	0.249
𝑇0.90	0.003	−0.004	0.010
𝑃0.90	−0.019	−0.089	0.052
SIH	0.410	0.129	0.691
SIK	−0.520	−1.308	0.268
SIMR	−2.726	−3.864	−1.587
EPA	−0.873	−2.731	0.985
EPAmax	0.019	−0.483	0.522
𝐸inp	−0.048	−0.216	0.120
CAV	−0.397	−0.619	−0.175
DPA/S	1.475	−0.155	3.104
CP	−0.167	−0.583	0.250
SD	−2.292	−4.501	−0.084
SV	1.802	1.155	2.449
SA	0.236	−0.619	1.090
𝐼F/V/F	0.024	−0.217	0.264