(Stability of Slopes) - Xtra

Question 1

What can alter the rates of mass movements?

Answer 1

• building or excavation
• drainage
• agriculture

Question 2

What can mass movements be accelerated by?

Answer 2

• destabilising slopes

Question 3

What can landslides be created by?

Answer 3

• undercutting or overloading

Question 4

What can local erosion be intensified by?

Answer 4

• footpath trampling in recreational areas

Question 5

What can some mass movements be created by?

Answer 5

• humans piling up waste soil + rock into unstable accumulations: move w/o warning

Question 6

What is used in order to provide a horizontal base + reasonable access for construction?

Answer 6

• a cut-and-fill technique

Question 7

What does the cut-and-fill technique do?

Answer 7

• creates small level terrace w an over-steepened slope at both ends
• slopes lacks soil + veg. (less stable than former slopes)