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

Table 6

Slope k fitted in analytical cases by linear regression.

Analytical case	fc (MPa)	ρl (%)	ρs (%)	fy (MPa)	fys (MPa)	k
I-1	20	1.88	1.39	400	335	0.513
I-2	25
I-3	30
I-4	35
I-5	40
II-1	30	1.42	1.39	400	335	0.419
II-2		1.65
II-3		1.88
II-4		2.11
II-5		2.34
III-1	30	1.88	1.06	400	335	0.879
III-2			1.225
III-3			1.39
III-4			1.555
III-5			1.72
IX-1	30	1.88	1.39	335	335	0.26
IX-2				350
IX-3				400
IX-4				450
IX-5				500
X-1	30	1.88	1.39	400	335	0.271
X-2					350
X-3					400
X-4					450
X-5					500