For the following design requirement: Provide four identical bar racks with 0 = 72° Bar spacing (clear opening) = 20 mm. Bar depth 55 mm. Use sharp-edged rectangular bars. %3D Bar width = 12 mm. %3D %3D Average design flow = 3.2 m³'s. Depth of flow in the conduit (upstream of the rack) at Velocity through the rack at Peak peak design flow, d = 1.28 m. Peak factor = 2.2 %3D design wet weather flow = 0.98 m/s. %3D %3D Determine the following: 1. Peak design flow. 2. The clear area through the opening at the rack. 3. The clear width of the opening at the rack.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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Homework 2:
For the following design requirement:
Provide four identical bar racks with 0 = 72°
Bar spacing (clear opening) = 20 mm.
Bar depth 55 mm.
Use sharp-edged rectangular bars.
Bar width = 12 mm.
Average design flow = 3.2 m³'s.
Depth of flow in the conduit (upstream of the rack) at Velocity through the rack at Peak
peak design flow, d = 1.28 m.
design wet weather flow = 0.98 m/s.
Peak factor = 2.2
Determine the following:
1. Peak design flow.
2. The clear area through the opening at the rack.
3. The clear width of the opening at the rack.
4. The number of spacing and the total number of bars.
5. The Width of the chamber.
6. The efficiency coefficient (EC).
7. The approach velocity of the flow upstream of the rack (v).
8. The head loss through the rack.
9. The length of the rack.
10.The head loss through the rack and depth of flow upstream when the rack is 50
% clogging.
Transcribed Image Text:Homework 2: For the following design requirement: Provide four identical bar racks with 0 = 72° Bar spacing (clear opening) = 20 mm. Bar depth 55 mm. Use sharp-edged rectangular bars. Bar width = 12 mm. Average design flow = 3.2 m³'s. Depth of flow in the conduit (upstream of the rack) at Velocity through the rack at Peak peak design flow, d = 1.28 m. design wet weather flow = 0.98 m/s. Peak factor = 2.2 Determine the following: 1. Peak design flow. 2. The clear area through the opening at the rack. 3. The clear width of the opening at the rack. 4. The number of spacing and the total number of bars. 5. The Width of the chamber. 6. The efficiency coefficient (EC). 7. The approach velocity of the flow upstream of the rack (v). 8. The head loss through the rack. 9. The length of the rack. 10.The head loss through the rack and depth of flow upstream when the rack is 50 % clogging.
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