hard engineering Flashcards

(12 cards)

1
Q

sea wall

A

large concrete stone located along a shoreline

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2
Q

advantage of sea walls

A

effective

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3
Q

disadvantage of sea walls

A

expensive
£5 mil

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4
Q

gabion

A

buddles of rock in metal mesh located at cliff bases

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5
Q

advantage of gabion

A

inexpensive

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6
Q

disadvantage of gabion

A

not effective or attractive

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7
Q

revetment

A

slanted structure made from concrete that retract waves away

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8
Q

advantage of revetment

A

prevents cliff erosion

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9
Q

disadvantage of revetment

A

create a strong wave of backwash

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10
Q

rock armour

A

large boulders of rock piled up on a beach or infront of a sea wall

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11
Q

advantage of rock armour

A

asorbs energy or waves

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12
Q

disadvantage of rock armour

A

expensive

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