Bomb Identification & Detection

1. LISTEN CAREFULLY! COZ ILISTEN CAREFULLY! COZ I
WILL BLOW YOU UP!!!!WILL BLOW YOU UP!!!!

2. BOMB IDENTIFICATION ANDBOMB IDENTIFICATION AND
DETECTIONDETECTION
DefinitionDefinition ::
Explosive – is any substance that whenExplosive – is any substance that when
subjected to heat, shock or friction willsubjected to heat, shock or friction will
undergo a very rapid decomposition thatundergo a very rapid decomposition that
transform into a more stable material,transform into a more stable material,
characterized by the liberation of tremendouscharacterized by the liberation of tremendous
amount of heat and almost always w/ theamount of heat and almost always w/ the
formation of gases, and a sudden release offormation of gases, and a sudden release of
pressure that resulted to violent explosion.pressure that resulted to violent explosion.

4. Can be broadly define as the sudden and violentCan be broadly define as the sudden and violent
escape of gases from a confined space, accompanied byescape of gases from a confined space, accompanied by
a high temperature, violent shock and a loud noise.a high temperature, violent shock and a loud noise.
EXPLOSIONEXPLOSION

5. DETONATIONDETONATION
It is a sudden escape of gasesIt is a sudden escape of gases
accompanied by a loud noise.accompanied by a loud noise.

6. DEFLAGRATIONDEFLAGRATION
It is the reaction of a chemical compoundIt is the reaction of a chemical compound
or the transformation from solid gasesor the transformation from solid gases
whereby the speed is relatively slow overwhereby the speed is relatively slow over
a sustained period. It is the very rapida sustained period. It is the very rapid
burning that never reaches detonation.burning that never reaches detonation.

7. DEFLAGRATION:DEFLAGRATION:

8. THREE BASIC TYPES OFTHREE BASIC TYPES OF
EXPLOSIONEXPLOSION
1.1. MECHANICAL EXPLOSION:MECHANICAL EXPLOSION:
It can be illustrated by the gradual build-up ofIt can be illustrated by the gradual build-up of
pressure in a steam boiler or pressure cooker.pressure in a steam boiler or pressure cooker.
2.2. CHEMICAL EXPLOSION:CHEMICAL EXPLOSION:
It is caused by the extremely rapid conversion of aIt is caused by the extremely rapid conversion of a
solid or liquid explosive compound into a gaseous formsolid or liquid explosive compound into a gaseous form
having a much greater volume than the substanceshaving a much greater volume than the substances
from which they are generated.from which they are generated.
3.3. NUCLEAR EXPLOSION:NUCLEAR EXPLOSION:
It maybe induced either by fission or fusion.It maybe induced either by fission or fusion.

9. FISSION – the splitting of theFISSION – the splitting of the
nuclei of atom.nuclei of atom.
FUSION – the joining togetherFUSION – the joining together
under the great force ofunder the great force of
the nuclei of atom.the nuclei of atom.

10. THREE EFFECTS OF ANTHREE EFFECTS OF AN
EXPLOSIONEXPLOSION
1.1. BLAST PRESSURE EFFECT:BLAST PRESSURE EFFECT:
When an explosive charge isWhen an explosive charge is
detonated, a very hot expanding gasesdetonated, a very hot expanding gases
are form in a period of approximatelyare form in a period of approximately
1/10,0001/10,000thth
of a second.of a second.

11. BLAST PRESSUREBLAST PRESSURE
EFFECT:EFFECT:

12. BLAST PRESSUREBLAST PRESSURE
EFFECT:EFFECT:

13. BLAST PRESSUREBLAST PRESSURE
EFFECT:EFFECT:

14. 2.2. FRAGMENTATION EFFECT:FRAGMENTATION EFFECT:
It occurs when the blast pressureIt occurs when the blast pressure
effect of an explosion breaks intoeffect of an explosion breaks into
pieces, materials w/c had been apieces, materials w/c had been a
part of the BOMB casing.part of the BOMB casing.

15. FRAGMENTATION EFFECT:FRAGMENTATION EFFECT:

16. FRAGMENTATION EFFECT:FRAGMENTATION EFFECT:

17. 3. THERMAL OR INCENDIARY3. THERMAL OR INCENDIARY
EFFECT:EFFECT:
The incendiary or thermal effectsThe incendiary or thermal effects
produced by the detonation of a HEproduced by the detonation of a HE
or LE w/c varies greatly from oneor LE w/c varies greatly from one
explosive to another.explosive to another.

18. THERMAL/INCENDIARYTHERMAL/INCENDIARY
EFFECT:EFFECT:

19. THERMAL/INCENDIARYTHERMAL/INCENDIARY
EFFECT:EFFECT:

21. PHASES OF BLASTPHASES OF BLAST
PRESSURE WAVEPRESSURE WAVE
1.1. POSITIVE PRESSURE PHASEPOSITIVE PRESSURE PHASE
2.2. NEGATIVE PRESSURENEGATIVE PRESSURE
PHASEPHASE

22. POSITIVE PRESSUREPOSITIVE PRESSURE
PHASE:PHASE:

23. NEGATIVE PRESSURENEGATIVE PRESSURE
PHASE:PHASE:

24. TWO TYPES OFTWO TYPES OF
EXPLOSIVESEXPLOSIVES
1.1. LOW EXPLOSIVES (LE)LOW EXPLOSIVES (LE)
are explosives that deflagrateare explosives that deflagrate
rather than to detonate whenrather than to detonate when
initiated and it is very sensitive toinitiated and it is very sensitive to
shock, heat, friction & sun exposure.shock, heat, friction & sun exposure.

25. These Explosives ranges from:These Explosives ranges from:
a. Match head or Black powdera. Match head or Black powder
b. Propellant chargeb. Propellant charge
c. Pyrotechnic contentsc. Pyrotechnic contents
d. Signal illuminationd. Signal illumination
e. Filler charges for Small Arms Ammoe. Filler charges for Small Arms Ammo
f. Those explosives that produce nof. Those explosives that produce no
detonation when initiated.detonation when initiated.

26. BLACK POWDER – isBLACK POWDER – is
the oldest explosivesthe oldest explosives
and propellant chargesand propellant charges
ever known.ever known.

27. BLACK POWDER:BLACK POWDER:

28. PROPELLANTSPROPELLANTS
are also low explosives whichare also low explosives which
produces a pushing effect whenproduces a pushing effect when
confined, it propels theconfined, it propels the
projectiles into the desiredprojectiles into the desired
target from the muzzle or barreltarget from the muzzle or barrel
of a given guns.of a given guns.

29. LOW EXPLOSIVE/LE:LOW EXPLOSIVE/LE:
Propellant charge ofPropellant charge of
MissilesMissiles

30. 2. HIGH EXPLOSIVES (HE)2. HIGH EXPLOSIVES (HE)
are explosives that detonatesare explosives that detonates
when initiated rather than burn orwhen initiated rather than burn or
those explode in an instantaneousthose explode in an instantaneous
moment even on unconfinedmoment even on unconfined
situation.situation.

31. HIGH EXPLOSIVE/HE:HIGH EXPLOSIVE/HE:

32. Examples of HighExamples of High
ExplosivesExplosives
1. TNT1. TNT
2. Comp C42. Comp C4
3. Comp B3. Comp B
4. ANFO4. ANFO
5. PETN5. PETN
6. RDX6. RDX

33. TNT:TNT:

34. COMP C4:COMP C4:

35. COMP B:COMP B:

36. ANFO:ANFO:

37. PETN:PETN:

38. RDX:RDX:

39. CHARACTERISTICS OFCHARACTERISTICS OF
EXPLOSIVESEXPLOSIVES
1. Availability1. Availability
2. Sensitivity2. Sensitivity
3. Stability3. Stability
4. Density4. Density
5. Hygroscopicity5. Hygroscopicity
6. Volatility6. Volatility
7. Toxicity7. Toxicity
8. Reactivity & Compatibility8. Reactivity & Compatibility
9. Brissance & Power9. Brissance & Power