hard engineering Flashcards
(12 cards)
1
Q
sea wall
A
large concrete stone located along a shoreline
2
Q
advantage of sea walls
A
effective
3
Q
disadvantage of sea walls
A
expensive
£5 mil
4
Q
gabion
A
buddles of rock in metal mesh located at cliff bases
5
Q
advantage of gabion
A
inexpensive
6
Q
disadvantage of gabion
A
not effective or attractive
7
Q
revetment
A
slanted structure made from concrete that retract waves away
8
Q
advantage of revetment
A
prevents cliff erosion
9
Q
disadvantage of revetment
A
create a strong wave of backwash
10
Q
rock armour
A
large boulders of rock piled up on a beach or infront of a sea wall
11
Q
advantage of rock armour
A
asorbs energy or waves
12
Q
disadvantage of rock armour
A
expensive
