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Combat Engineer 12B30 ALC phase 1
Internal Charge - ANSWER-Charges that are placed in
boreholes in the target.
P=D^2/250 or
P=0.004D^2.
Note:
Diameter=circumference/3.14
External Charge - ANSWER-Charges that are placed on the
surface of the target without considering placement techniques
, use a flat, square charge with a thickness to weight ratio of
1:3
P=D^2/40 or P=0.025D^2
1 inch - ANSWER-Less than 5 lb
2 inches - ANSWER-5 to less than 40 lb
4 inches - ANSWER-40 to less than 300 lb
, 8 inches - ANSWER-300 or more pounds
Charge calculation factors - ANSWER-The amount of
explosives required for
each demolition
project
Priming - ANSWER-The direction in which the shock wave
travels through the
explosive
charge
Charge calculations - ANSWER-Six step problem solving
format
Timber Cutting charges - ANSWER-plastic explosives
Underwater charges - ANSWER-The charge size is
determined by using the
breaching
formula
Ring Charge - ANSWER-A band of explosives that completely
encircles the tree
Abatis - ANSWER-Fallen tree obstacles are made by cutting
trees that remain