ดินถล่ม

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ดินถล่ม

  1. 1. Landslide)
  2. 2. Causes of Landslides)
  3. 3. Natural causes)- Soil composition)- Steep slope)- Prolong heavy rain)- Heavy snowfall)- Structure of soil)
  4. 4. - Glacial erosion, rain, drought) - Vegetationremoval by fire or drought) - Earthquake) - Tsunami) - Volcanic eruption) - Change in undergroundwater) - Change in undergroundstructure) - Coastalerosion and change in continental slope)
  5. 5. Human causes ) - Excavation of slpoe orits toe ) Mining ) - - - -
  6. 6. - Loadingor building on crest or slope ) - Deforestation ) - Reservoir ) - Change the naturalstream ) -Water from utilities leakages or or drainages ) - Artificial vibration )
  7. 7. Types of Landslides ) Falls ) Rock ) Boulder ) Free fall ) Bouncing ) Rolling ) cone-shape )Talus slope
  8. 8. Topple )- Creep) Seasonal ) Continuous ) Progressive )
  9. 9. Flows ) Debris flow ) Debrisavalanche ) Earth flow ) Mudflow )Torrent ) Lahar
  10. 10. Lateralspreading ) Liquefaction )
  11. 11. Landslide) Causes of Landslides)4. Types of Landslides )5. - Creep) Flows ) Lateral spreading )

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