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CEIE 340 Lecture 8 Hydrologic Design Methods

CEIE 340 Lecture 8 Hydrologic Design Methods - Hydrologic...

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1 Water Resource Engineering CEIE 340 Sayedul H. Choudhury, Ph.D. Hydrologic Design Methods Today’s Topics square6 Introduction square6 Design of Roof Drainage square6 Design of Gutters/Shallow Channels square6 Weir and Orifice Equations square6 Design of Pavement-Drainage Inlets square6 Culvert Design square6 Unsubmerged Inlet and Outlet square6 Submerged Inlet, Unsubmerged Outlet, Partially Full Pipe square6 Submerged Inlet and Outlet square6 Estimating Detention Basin Volumes square6 Sizing Detention Basin Outlet Structures
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2 Roof Drainage square6 Determine the number of drains (minimum 2) square6 Determine the design rainfall intensity square6 Determine the flow capacity per drain (~ 10,000 sq ft per drain) square6 Design the system by computing the size of the leader, vertical drains and horizontal drains. Use commercially available standard sizes. ) / ( 0104 . 0 ) min/ / ( hr in i ft sq gal Q u = min) / ( 6 . 0 ) ( 377 . 0 gal Q in d d = min) / ( ) / ( 53 . 0 ) ( 377 . 0 188 . 0
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