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Dykes - Free board
Unit 4- Layout planning of fish ponds
Dykes
Free board
Free board is the added height of the dam provided as a safety factor to prevent over topping of the dam. Free board may be defined as the vertical distance from the top of the dyke to pond water surface after settlement.
The free board may be taken approximately equal to
Where h = height of the water in m.
Free board of 0.6m is safe for a dyke of 3 m height.
Free board is the added height of the dam provided as a safety factor to prevent over topping of the dam. Free board may be defined as the vertical distance from the top of the dyke to pond water surface after settlement.
The free board may be taken approximately equal to
Where h = height of the water in m.
Free board of 0.6m is safe for a dyke of 3 m height.
Last modified: Monday, 25 April 2011, 7:16 AM