Figure D-4. Froude Number and Depth of Flow for Incipient Failure of Riprap Lined Channel

Figure D-3. Flow Characteristics of Trapezoidal Channels with 1V on 3H Side Slopes

Figure D-5. Depth of Flow and Unit Discharge for Incipient Failure of Riprap Lined Channel

Drainage and Erosion Control Structures for Airfields - index
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175

TM 5-820-3/AFM 88-5, Chap. 3

cubic feet per second with a depth of 5 feet. The

channel with side slopes of lV on 3H would be

base width required of the riprap-lined trapezoidal

about 3 feet.

D-5

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