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2026–2027 | Geotechnical
Engineering Exam Prep
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, Dam Purpose Power
Recreation
Water Conservation
Flood control
Irrigation
Wo is responsible for building dams Army Corps of Engineers East USA most large dams
Department of Agriculture
TVA
Bureau of Reclamation (West USA)
State Govt
Electric Utility Companies
Private
Types of Dams Masonary
Earth Fill Dams
Rock and Earht Fill Dams
Timber Dams
Types of Masonary Dams Gravity Dam
Arch Dam
Buttress Dam
Abuttments Face down stream and must be anchored into bedrock
Geological Requirements Narrow valley with gentle slopes and sound bedrock
Anatomy for concrete dam Parpet walls
Crest
Max water level
spill way
Feeboard
Normal Water level
Sluice way'
Gallery
Heel Toe
Causes of Failures of Gravity Dams Overturning
Sliding
Tension Crack
Crushing
Earth Fill and Rock Fill Dams Advantages
Suitable in large vallies
cheaper to construct
roadways can be built on broad crest
Disadvantages
Greate maintenance is required
Separate spillway
long diversion tunnel