Non CS Management Flashcards

1
Q

Hard engineering management

A
  • rock armour
  • groynes
  • curved sea wall
  • stepped sea wall
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2
Q

Rock armour

A
  • high cost
  • lasts a long time
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3
Q

Groynes

A
  • ok cost
  • lasts 50-70 years
  • high maintenance costs
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4
Q

Curved sea wall

A
  • very high costs (millions)
  • lasts up to 100 years
  • refracts wave energy
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5
Q

Stepped sea wall

A
  • similar costs to curved sea wall
  • dissipates wave energy
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6
Q

Soft engineering management

A
  • beach recycling
  • beach re profiling
  • beach replenishment
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7
Q

Beach recycling

A
  • LSD transfer sediment from A to B + then a truck transports sediment back to A
  • low cost of
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8
Q

Beach reprofiling

A
  • change the shape of beach (create a steeper gradient) to make it less susceptible to erosion
  • low cost of
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9
Q

Beach replenishment

A
  • sprays sediment directly onto beach from sea bed
  • low cost
  • high maintenance
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