landslide safety tips
TRANSCRIPT
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Welcome
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Landslide Safety Tips
Ma Nandar NweMS.EAM (1)Mining Engineering Department , YTU
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Introduction• What is landslide?• Landslide impacts• Where do landslide Usually Occur?• Case History of Destructive Landslides in Asia• Landslide Prone areas in Myanmar• How to recognize Landslide Warning Sign?• General guidelines for those living in a landslide-prone
area• Community-base Organization on Disaster Management
Plan(CBDMP)
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What is landslide?• Down-slope movement of soil, rock and debris or
earth under the influence of gravity, and also the land form that result
Causes of Landslides• Natural causes • Man-made causes
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Landslide Impacts
Direct ImpactPhysical DamageDebris may block roads, supply lines (telecommunication, electricity, water, etc.), and water-ways.CasualtiesDeath and injury to people and animals.Indirect lossesLoss of productivity of agricultural and forest land, flooding.
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Indirect Impacts
• Disruptions or hindrances of the economic activities• Interruption of the traffic• Reduction of tourist demand(These indirect impacts are difficult to assess.)
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Where do landslide Usually Occur?
• Associated with hilly or mountain landscapes.• Also common allow coastlines and river valleys.• Landslide occur in most frequently in region where
climate and precipitation, bedrock and soil condition, and slopes are susceptible to failure.
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Case History of Destructive Landslides in Asia
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Landslide Prone areas in Myanmar
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Landslide Hazards in western Fold Belt
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Landslide Hazards along Banks of
Ayeyarwady River
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Historical Landslides in Myanmar
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How to recognize Landslide Warning Sign?• New cracks appear in plaster, tile, brick, or foundation.
• Sudden appearance and rapid expansion of cracks on road pavements or ground surface.
• Outside walls, walks, or stairs being pulling away from the building.
• Sudden breakage of water supply lines and other underground installations and underground utility lines.
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• Sudden appearance and disappearance of creeks.• A faint rumbling sound that increases in volume become
noticeable as the landslide nears.• Bulging ground appears at the base of a slope.• Fences, retaining walls, utility poles, or trees tilt or move.• Rapid increase in water levels in pools, steams, etc. in
mountainous areas.
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General guidelines for those living in a landslide-prone areaFor normal time• Do not built near slopes, close to mountain edges.• Minimize home hazards.• Plant ground cover on slopes and building retaining walls.• Have flexible pipe fitting installing to avoid gas or water
leaks.• In mudflow areas, building channels or deflection walls to
direct flow around buildings.• Listen to weather forecasts.• Remain awake during nights of heavy continuous rain and be
ready to move to a safer location.
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• Observe the warnings signs mentioned and inform the authorities when such warning signs are recognized.
• Listen for abnormal sounds of soil and rock movement or breaking of trees.
• Observe abnormal behavior of domestic animals.• Never go closer to observe cracks on the slope.
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Prior to a Potential Landslide
• Stay alert and stay awake.• If you are in areas susceptible to landslides and debris
flows, consider leaving if it is safe to do so.• Contact your local authority, village disaster
committee, fire services department, or police force.• Especially be alert when driving.• In case need to evacuate, do so immediately.• While evacuating, do not cross possible landslide paths.
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• When see falling rocks, seek cover behind trees and other solid objects.
• Inform affected neighbors.• Evacuate. Getting out of the path of a landslide is best
protection.
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During a Landslide• Quickly move.• If escape is not possible, curl into a tight ball and protect head.
After a Landslide• Stay away from the slide area.• Check for injury and trapped persons near the slide, without
entering the direct slide area.
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• Listen local radio or television stations for the latest emergency information.
• Watch for flooding.• Check the building foundation.• Replant damaged ground as soon as possible.
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Community-base Organization on
Disaster Management Plan(CBDMP)
• Education and awareness generation• Community-based landslide risk assessment• Landslide monitoring and warning system• Landslide preparedness at the household level• Family Landslide Preparedness Plan
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References• Manual on Landslide (Causes, Effects &
Preparedness)• Risk Assessment Roadmap Myanmar• Landslide Risk Management Concepts and
Guidelines
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Thank You!