Traffic Capacity Assessment of the Urban Elevated Bridge after Near-Field Explosion Based on the Response Surface Method

Table 8

Partial coefficients of the response surface model of pier’s residual bearing capacity.

Partial coefficients	1# car bomb	2# car bomb	3# car bomb
a1	−12.653	−60.207	17.056
a2	−0.2514	0.6651	−0.2197
a3	−1.5952	3.0529	1.8307
a4	1.3353	−0.1389	−1.6134
a5	−0.6212	16.168	2.1719
a6	0.0423	0.0058	0.0628
a7	−0.0119	−0.0025	−0.0053
a8	0.0566	−0.0160	0.0142
a9	−0.0056	−0.0228	0.1723
a10	0.9724	0.1634	−0.1502
a11	0.1187	0.0314	0.0364
a12	−0.0003	−0.0059	−0.0052
a13	0.0085	0.0550	−0.1109
a14	−0.0147	0.0125	−0.0090
a15	−1.5323	−1.7358	0.0456