Roadside Safety Barrier
8
Release 07/22b
Figure 6: Maximum Attainable Angle by Speed and Offset.
1m vehicle offset to barrier
2m vehicle offset to barrier
3m vehicle offset to barrier
4m vehicle offset to barrier
5m vehicle offset to barrier
6m vehicle offset to barrier
7m vehicle offset to barrier
8m vehicle offset to barrier
Impact Angle
(degrees)
70
50
60
80
90
100
110
120
130
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
70
50
60
80
90
100
110
120
130
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
m
Example
Example
Speed
(km/hr)
Table 1a: MASH deflections for various post spacing and speeds
Containment Level
Vehicle: 2,270 kg Impact Angle: 25˚
Speed
(km/h)
Post Spacing (m)
2
1
0.5
D
ynamic
D
eflec
tion (m)
MASH TL3
100
1.65
1.05
0.73
MASH TL2
70
0.9
0.57
0.4
Table 1b: NCHRP-350 deflections for various speeds and post spacings
Containment Level
Speed
(km/h)
Vehicle (kg)
Post Spacing (m)
2
1
D
ynamic
D
eflec
tion (m)
NCHRP-350 TL4
80
8,000
1.53
NCHRP-350 TL3
100
2,000
1.46
1.04
NCHRP-350 TL2
70
2,000
0.89
Summary of Contents for Ezy-Guard 4
Page 1: ...Release 07 22b ProductManual www ingalcivil com au...
Page 21: ...21 Release 07 22b...
Page 24: ...24 Release 07 22b note acceptance of product variants to be confirmed before installation...
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