Why Aggi Drainage Pipes Have Slots In The Base

A lot of people aren’t sure how drainage pipes work.

“Why doesn’t the  water run out of the slots at the bottom?” is a question that many people ask.

The pipes work on the principle that the soil/gravel around the pipe is water logged. This water drains into the pipe as the bottom of the pipe is below the  soil water level.

 

When the water drops below the  pipe  the water then runs through the gravel in the trench getting into the pipe further along the trench. (Diagram below shows a section along a pipe)

 

See Agricultural Drains for more information

 

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