1 / 38

Mass Wasting

Mass Wasting. Influences on Mass Movement. Nature of slope materials Amount of water Angle of slope. Classification of Mass Movements: Table 11.2. Angle of Repose- Effect of Grain Size. Fig. 11.1a. Angle of Repose- Effect of Moisture Content. Fig. 11.1b. Surface Tension. Fig. 11.2.

nellie
Télécharger la présentation

Mass Wasting

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Mass Wasting

  2. Influences on Mass Movement • Nature of slope materials • Amount of water • Angle of slope

  3. Classification of Mass Movements: Table 11.2

  4. Angle of Repose- Effect of Grain Size Fig. 11.1a

  5. Angle of Repose- Effect of Moisture Content Fig. 11.1b

  6. Surface Tension Fig. 11.2

  7. Unsaturated Soil Saturated Soil Fig. 11.3

  8. How do they do that? Fig. 11.4 Kelly Mooney Photography/Corbis

  9. Fire increases the susceptibility for erosion and mass movement Fig. 11.5 Grant Meyer

  10. Weathered Shale Fig. 11.6 Martin Miller

  11. Landslide Induced by Poor Construction Techniques

  12. Earthquake Induced Landside - Alaska Fig. 11.7

  13. Landslide Near Anchorage, Alaska, Caused by the 1964 Earthquake Fig. 11.7

  14. Classification of mass movements • Debris flow • Mudflow • Debris avalanche • Slump • Debris slide • Solifluction • Rockfall • Rockslide • Rock avalanche • Creep • Earthflow

  15. Rockfalls Fig. 11.8 E.R. Degginger

  16. Talus Slope

  17. Rockslide Fig. 11.9 Jeff Foott/DRK

  18. Rock avalanche Fig. 11.10 Brian Vikander/Corbis

  19. Soil Creep Fig. 11.11

  20. Soil Creep Fig. 11.11

  21. Soil Creep

  22. Earthflow Fig. 11.12 Steve McCutcheon/Visuals Unlimited

  23. Debris flow Fig. 11.13 E. R. Degginger

  24. Mudflow Fig. 11.14 Vlastimir Shone/Gamma

  25. Debris avalanche Fig. 11.15 Russ Davies/The Image Bank

  26. Slump Fig. 11.16 E. R. Degginger

  27. Debris slide Fig. 11.17 Michael Collier

  28. Solifluction Fig. 11.18

  29. Solifluction Fletcher & Baylis Fig. 11.18

  30. Causes of Slides • Heavy rain or snowfall • Excavation • Earthquakes

  31. Gros Ventre Landslide, Montana A.J. Copley/Visuals Unlimited

  32. 1925 Gros Ventre Slide Fig. 11.20

  33. Vaiont Dam Reservoir Landslide, Italy Fig. 11.22

  34. Factors that Influence Mass Movements: Table 11.1

More Related