Environmental Engineering Reference
In-Depth Information
Table 7.24 The detonation velocities comparison between nitrate-o-ethylbenzene and other
explosives [
50
]
Explosives
Shell size (mm)
Charge density
(g/cm
3
)
Detonation velocity
(m/s)
O-nitrate
Ф
38,
长
500
About 1.40
7720, 7360, 8190
Nitroguanidine
38,
500
About 0.88
4780, 3890, 4570
Ф
长
2nd rock dynamite
38,
500
About 0.75
3520, 3760, 3770
Ф
长
ANFO
Ф
38,
长
500
About 0.67
2640, 2650, 2640
Note Detonation velocity of detonating cod is 6,896 m/s
Fig. 7.3 The relationship between nitrate-o-ethylbenzene formulations and their brisance [
50
]
Table 7.25 Brisance values of different explosives
Explosives
Brisance (mm)
Paper tube
Ф
38 mm, wall thickness 4 mm seam-
less steel pipe
O-nitrate explosives
27.00, 26.55, 27.00
Nitroguanidine
23.72, 22.70, 21.95
20.52, 20.80, 20.60
ANFO (cold milled)
6
-
8
15.45, 16.10, 17.33
no. 2 Ammonium nitrate
explosive
About 10.5
18.40, 18.45, 20.90
RDX
22.17 (white), 18.55
(orange)
-
Scaly TNT (density 0.85/
cm
3
)
8
-
