13.3 Field Blast Test
441
Table 13.3
Incident and reflected overpressures of blast wave
Z
(m/kg 1/3
)
Overpressure
Peak value (MPa)
Time duration (ms)
Impulse (MPa ms)
Test
CONWEP
Error (%)
Test
CONWEP
Error (%)
Test
CONWEP
Error (%)
0.5 ~ 1.0
P
i1
0.071
0.076
7.0
4.38
4.30
−1.80
0.090
0.099
10
P
i2
0.058
0.073
25.8
4.44
4.36
−1.80
0.088
0.097
10.2
P
i3
0.034
0.032
−5.8
4.58
5.25
14.6
0.063
0.065
3.2
1.0
P
r1
4.55
2.75
39.6
1.12
1.30
13.8
0.568
0.686
20.8
P
r2
3.45
3.71
7.5
1.59
1.60
0.6
0.632
0.863
36.6
P
r3
0.88
2.75
212.5
0.68
1.30
91.2
0.210
0.686
226.7
0.8
P
r1
5.90
4.50
−23.7
0.48
1.40
191.7
0.502
0.897
78.7
P
r2
8.25
6.82
−17.3
1.11
1.30
17.1
1.226
1.255
2.4
P
r3
4.12
4.50
9.2
1.12
1.40
25
0.355
0.897
152.7
0.6
P
r1
7.64
5.27
−31.0
0.57
1.00
75.4
0.526
0.848
61.2
P
r2
17.85
9.59
−46.3
0.47
0.80
70.2
1.416
1.413
0.2
P
r3
2.44
5.27
116.0
0.55
1.00
81.8
0.236
0.848
259.3
0.5
P
r1
6.74
6.79
0.7
0.26
0.70
169.2
0.447
0.986
120.6
P
r2
20.49
14.70
−28.3
0.47
0.50
6.4
2.046
1.975
−3.5
P
r3
3.39
6.79
100.3
0.55
0.70
27.3
0.300
0.986
228.7