Landslide Types and Processes

Landslide定義1.崩塌地定義[Definitions of Landslide Features]

1.崩塌地定義[Definitions of Landslide Features]

1.崩塌地定義[Definitions of Landslide Features]

1.崩塌地定義[Definitions of Landslide Features]

2. 崩塌地尺寸[Landslide Dimensions]

2.崩塌地尺寸[Landslide Dimensions]

崩塌地移動性[Rate of Movement]

崩塌地移動性[Rate of Movement]

崩塌材料[Material]

1) Bedrock2) Engineering Soils /EarthPredominantly Fine3) Engineering Soils /DebrisPredominantly Coarse

崩塌地運動類型[Type of Movement]

崩塌地運動類型[Type of Movement]

運動類型[Type of Movement]

運動類型[Type of Movement]

Toppling

運動類型[Type of Movement]

運動類型[Type of Movement]

Rotational & Translational Slides

Rotational Slides

Rotational slides

Translational Slides

Wedge

Stepped

Rock & Earth Spread

The Grabens

Abramson(2002)

Cambering & Valley Bulging反拱

Flows

Flows

Flows

Channelized Debris Flows

Channelized Debris Flows

Channelized Debris Flows

Debris Avalanche

崩塌過程[Landslide Process]

Varnes 1978 - “The processesinvolved in slope movementscomprise a continuous series ofevents from cause to effect”

崩塌過程[Landslide Process]

Geologic CauseMorphological CausePhysical CauseHuman Cause

崩塌過程[Landslide Process]

崩塌過程[Landslide Process]

崩塌過程[Landslide Process]

崩塌過程[Landslide Process]

Factors contributing to slope failuresIncreases in Shear StressesRemoval of SupportOverloadingTransitory effectsRemoval of underlying supportIncrease in lateral pressureReduced Shear Strength

natural of the materialsweatheringpore pressurechanges in structures

Sec. 1.6