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

Table 5

Distribution characteristics of the main parameters.

No.	Parameter	Random variable	Distribution type	Distribution characteristics
1	Concrete compressive strength	fc	Normal distribution	N (μ = 30, COV = 0.12)
2	Longitudinal reinforcement ratio	ρl	Normal distribution	N (μ = 1.88%, COV = 0.055)
3	Stirrup ratio	ρs	Normal distribution	N (μ = 1.39%, COV = 0.055)
4	Longitudinal reinforcement yield strength	fy	Lognormal distribution	LN (μ = 387, COV = 0.07)
5	Stirrup yield strength	fys	Lognormal distribution	LN (μ = 387, COV = 0.07)