Minimising the Effects of Mass Movements (Grade 11 NSC Matric Geography): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What problem does slope steepening create?
What problem does slope steepening create?
Removes natural support at base of slopes
How does vegetation removal weaken slope stability?
How does vegetation removal weaken slope stability?
Removes root systems that bind soil
What is the main problem with construction on upper slopes?
What is the main problem with construction on upper slopes?
Adds significant weight to upper portions
How does increased water seepage affect slopes?
How does increased water seepage affect slopes?
Acts as a lubricant for particles
Which activity can cause ground vibrations that trigger mass movements?
Which activity can cause ground vibrations that trigger mass movements?
Mining operations
What is the purpose of installing drainage pipes in slopes?
What is the purpose of installing drainage pipes in slopes?
Allows controlled groundwater drainage
How does flattening or terracing prevent mass movements?
How does flattening or terracing prevent mass movements?
Reduces the angle of inclination
How long was the half tunnel built at Chapman's Peak?
How long was the half tunnel built at Chapman's Peak?
155 metres
Which systems are part of advanced traffic management at Chapman's Peak?
Which systems are part of advanced traffic management at Chapman's Peak?
CCTV cameras and radar detectors
What is rock bolting used for?
What is rock bolting used for?
Holding fractured rock layers together