Table 1: Criteria considered for rating the damages (based on NCHRP 2010 and AASHTO 2011).
Variables |
Barrier Type |
Unit |
High-Severity a |
Medium-Severity b |
Low-Severity c |
None (No Damage) d |
Height From the Ground Level to the Top |
Cable System |
cm |
x =<66 |
71>x>66 |
- |
x>= 71 |
Rigid System |
cm |
x =<71 |
76>x>71 |
- |
x>= 76 |
W-Beam Guardrail |
cm |
x =<2871 |
78>x>71 |
- |
x>= 76 |
Height of Rail Cross-Section |
W-Beam Guardrail |
cm |
- |
43<x<23 |
x= 23 or 30 |
x= 23 |
Vertical Deflection |
W-Beam Guardrail |
Degree |
x>= 30 |
15=<x<30 |
0<x<15 |
x= 0 |
Lateral Deflection |
W-Beam Guardrail |
cm |
x>23 |
15<x<23 |
0<x<15 |
x= 0 |
Cable Sag |
Cable System |
cm |
x>12 |
15<x<23 |
0<x<15 |
x= 0 |
Panel Vertical Tear |
W-Beam Guardrail |
Number |
x>= 1 |
- |
- |
x= 0 |
Panel Horizontal Tear |
W-Beam Guardrail |
Number |
x>= 3 |
x= 2 |
x= 1 |
x= 0 |
Post Separated from Guardrail |
Any Type |
Number |
- |
x>= 3 |
- |
x= 0 |
End-Terminal Loosing Cable |
Any Type |
cm |
- |
x>= 4 |
2.5<x<4 |
x =<2.5 |
End-Terminal Stub Height |
Any Type |
cm |
x>= 23 |
10<x<23 |
- |
x =<10 |
a. BCI = 1
b. BCI = 2
c. BCI = 3
d. BCI = 4