Fragility of Bridge Columns under Vehicle Impact Using Risk Analysis

Table 7

Median values and standard deviation values depending on column types.

Statistical distribution	Response	Value types	Column type I	Column type II	Column type III	Column type IV	Column type V
Concrete compressive strength	RH	Median (km/h)	135.0	119.8	115.4	113.6	111.7
		Standard deviation (km/h)	0.10	0.12	0.16	0.12	0.15
	RM	Median (km/h)	112.4	107.2	106.8	105.9	104.3
		Standard deviation (km/h)	0.10	0.13	0.13	0.15	0.12
Steel rebar yield strength	RH	Median (km/h)	132.3	118.5	117	114.2	112.7
		Standard deviation (km/h)	0.08	0.10	0.10	0.08	0.10
	RM	Median (km/h)	113.8	107.4	106.7	105.9	105.3
		Standard deviation (km/h)	0.11	0.11	0.10	0.15	0.10