TA Highway System Flashcards
1
Q
- What is most vulnerable points of highway systems?
A
Location where the enemy cannot reestablish movement by making a short detour
2
Q
- What are the two factors use for identify highway bridge?
A
Superstructure and Load-carrying member
3
Q
- What are the major factors to consider when targeting highway system during the route recon?
A
Terrain, road markers, lay of the land, unusual market (rocks, debris, disturbances and warning sign), and obstacle
4
Q
- What do you use to destroy concrete bridge?
A
By using the breaching formulas
5
Q
- What do you use to destroy steel bridge?
A
By using the steel cutting formula and advance formulas
6
Q
- What is the main components to attack on bridges?
A
Tension members
7
Q
- What should you focus on for suspension bridges?
A
Towers and cables
8
Q
- What is the component of substructure?
A
Intermediate support and abutments
9
Q
What formula use to destroy abutment up to 5 feet thick?
A
Triple Nickel 40
10
Q
- What is Triple Nickel 40?
A
5 feet deep borehole
5 feet behind the face of abutment
5 feet on center
40lbs cratering charge
11
Q
- What formula use to destroy abutment more than 5 feet thick?
A
By using the breaching formulas
12
Q
- What do you use to destroy intermediate support?
A
By using the placing charge in 45 degree angle
13
Q
- True or false: on simple span bridge, to efficiently destroy superstructures, every intermediate support should be destroy
A
False, Every other intermediate support should be destroy