AR Example 1: Design a rigid-boundary earth channel (a=0.03) to carry a discharge of 250 A½. Assumptions: 1. Based on the topography and channel alignment. S = 0.1% 2. For a clean carth channel, n=0.03. 3. Designing a trapezoidal channel with a side slope of 1:3 (V:H), and bottom width of 5 ft. (a) 10- 3³ {15+34/4] [ \$+1y/y771/3 159.175=f14) Y= 4.75 ft 195 1 Rectangular Ynxb 0.01+ 0.001 0.01 0.1 1 10 100 (Q) xax. tike = 2.2 223. 4

Structural Analysis
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Chapter2: Loads On Structures
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please help break down hydrology problem quickly. I have some notes on there. WHAT does Km stand for? 

AR
Example 1:
Design a rigid-boundary earth channel (a=0.03) to carry a discharge of 250 A½.
Assumptions:
1. Based on the topography and channel alignment. S = 0.1%
2. For a clean carth channel, n=0.03.
3. Designing a trapezoidal channel with a side slope of 1:3 (V:H), and bottom width of 5 ft.
(a) 10-
3³ {15+34/4] [ \$+1y/y771/3
159.175=f14)
Y= 4.75 ft
195
1
Rectangular
Ynxb
0.01+
0.001
0.01
0.1
1
10
100
(Q)
xax. tike = 2.2
223. 4
Transcribed Image Text:AR Example 1: Design a rigid-boundary earth channel (a=0.03) to carry a discharge of 250 A½. Assumptions: 1. Based on the topography and channel alignment. S = 0.1% 2. For a clean carth channel, n=0.03. 3. Designing a trapezoidal channel with a side slope of 1:3 (V:H), and bottom width of 5 ft. (a) 10- 3³ {15+34/4] [ \$+1y/y771/3 159.175=f14) Y= 4.75 ft 195 1 Rectangular Ynxb 0.01+ 0.001 0.01 0.1 1 10 100 (Q) xax. tike = 2.2 223. 4
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