01:460:202 Lecture Notes - Lecture 10: Subsidence, Mining

80 views3 pages
Landslides- definition, causes, and types
o Landslide- down slope movement of rock and soil in response to gravity
Term describes wide variety of processes including falling, sliding, or
flowing
o Causes:
Heavy rain or snowfall
Excavation
Earthquakes
Distinct zones of weakness
o Types of mass movements:
Slide (slump)
Fall
Flow
Subsidence
Avalanche
Creep
What are the driving mechanisms for landslides?
o Primary driving force is gravity acting on over-steepened slopes
o Other contributing factors:
Erosion by rivers and waves
Saturation by snowmelt or heavy rains
Earthquakes
Weak soils
Volcanic eruptions
Excess weight from human activities
What criteria are used to classify landslides?
o Geologic conditions in field
What are the optimal geologic conditions for landslides? How can humans contribute to
initiating landslides?
o Optimal settings:
Base or top of slopes
Unlock document

This preview shows page 1 of the document.
Unlock all 3 pages and 3 million more documents.

Already have an account? Log in

Get access

Grade+20% off
$8 USD/m$10 USD/m
Billed $96 USD annually
Grade+
Homework Help
Study Guides
Textbook Solutions
Class Notes
Textbook Notes
Booster Class
40 Verified Answers
Class+
$8 USD/m
Billed $96 USD annually
Class+
Homework Help
Study Guides
Textbook Solutions
Class Notes
Textbook Notes
Booster Class
30 Verified Answers

Related Documents