15.2. Mass Wasting – Vocabulary
Section 15.0 Introduction
- weather / weathering
- erode / eroded / erosion
- mass wasting
- landslide
- slope failure
- gravity
- mass movement
- downslope
- Earth materials
- unconsolidated
- consolidated
- foliation plane
- snow avalanche
- material failure
-
Section 15.1 Factors that control slope stability
- gravitational force
- vertical
- horizontal
- block
- shear force
- perpendicular
- normal force
- friction
- shear strength
- steep / steepness
- stable / stability
- unstable
- strength
- weak
- strong
- planes of weakness
- orientation
- weak layer
- cement / cemented
- binding
- cohesion
- glacial till
- talus
- cone
- water content / moisture content
- pore space
- porosity
- dry
- moist
- saturated
- saturated materials
- unsaturated materials
- grain boundary / grain boundaries
- surface tension
- grain contact
- fracture
- bedding plane
- clay-bearing zone
- saturated conditions
- water pressure
- hydrostatic pressure
- water table
- road cut
- spring
- absorb
- swell
- slippery
- trigger
- water flow pattern
- dam / dammed
- runoff
- slope drainage
- rainy period
Section 15.2 Classification of mass wasting
- criterion / criteria
- material
- motion
- fall
- slide
- flow
- coherent
- incoherent
- internal motion
- rupture surface
- curve / curved
- rotational slope failure
- planar
- translational slope failure
- rock fall
- debris fall
- rock fragment
- talus slope
- scree slope
- angle of repose
- rock slide
- parallel
- sackung
- catastrophic failure
- scarp
- head scarp
- side scarp
- drain
- drainage hole
- rock bolt
- steel mesh curtain
- rock avalanche
- fluid movement
- cushion of air
- creep
- solifluction
- loose material
- lean / leaning
- pistol butt tree
- terracettes
- slump / slumping
- downward motion
- outward motion
- snowmelt runoff
- toe
- basal material
- seasonal stream
- coulee
- mud flow
- debris flow
- lahar
- collapse
- stream bank
- temporary dam
- dam burst
Section 15.3 Preventing, delaying, monitoring, and mitigating mass wasting
- mitigate / mitigation
- delay
- damaging effects
- infrastructure
- rock bolts
- drill holes
- drainage holes
- retaining wall
- highway roadcut
- degradation
- corrode
- plug / plugged
- slope monitoring
- geological engineer
- geotechnical engineer
- preventative measures
- road surface
- fill
- filled slope
- cut slope
- natural drainage feature
- runoff water
- oversaturation
- excavation
- drainage changes
- lawn irrigation
- septic system
- rapid failure
- monitor / monitoring
- warning system
- inclinometer
- bore-hole motion sensor
- GPS survey instrument
- acoustic monitor
- safe ground
- avalanche shelter
- defensive structure
- drainage basin
- concrete-lined channel
- constructed basin
Other vocabulary
- slope steepening
- frost wedging
- liquifaction
- lubricant
- regolith
- permafrost
- deforestation
- debris slide
- tension crevasse
- joint plane
- water permeable
- water impermeable
- soil saturation
- re-grade slope
- undercutting
- rock netting
