Environmental Engineering Reference
In-Depth Information
Fig. 2.22 The scattering of
detonation products after
simultaneous detonation
p
r
3
ma ¼
1
=
3
q
0
ð
2
:
55
Þ
Here,
q
0
is the mass density of explosives.
When h
2r
;
Eq.
2.55
is exactly correct. When h ¼
2r
;
e and f are the same
point, now the side scattering is the least.
②
The effective mass (ma) of packed explosives when detonation products
scatter to two ends
If the two sides of packed explosives are strong rigid shells, the detonation
products only
fly toward two ends rather than sides (Fig.
2.23
).
When the detonation starts from the left end, the detonation products
fl
fl
flying to
the detonation end is Eq.
2.56
.
ma ¼ 5
=
9m
ð
2
:
56
Þ
The detonation products
fl
flying to the right end is Eq.
2.57
.
ma ¼
4
=
9m
ð
2
:
57
Þ
ma is the effect mass of explosives.
