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Seepage through Earth Filled Dams

By: Haseeb Jamal / On: Jul 13, 2017 / Shallow
Seepage through Earthen Dams
 
 

Seeapge through the dams is the most damaging factor for dams

Flownet

Flowlines

Flow channel: Space between two consecutive flow lines is called flow path / flow channel

Equipotential lines

Location of phreatic surface / phreatic line / top flow line

Properties of flownet:

  1. Each flow path transmits the same quantity of seepage.
  2. Area bounded by two consecutive flow lines and equipotential lines is a square.

Seepage Control in Dams

Types of Rolled filled dams:

 

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