A stream has the following cross-sectional data: Station Distance up the Stream Elevation of the Stream Bed (m) Cross-section 1 50 m 100 Trapezoid, B = 15 m, m = 1.50 2 52 m 101 Trapezoid, B = 14 m, m = 1.50 3 54 m 102 Trapezoid, B = 14 m, m = 1.25 4 56 m 103 Trapezoid, B = 13 m, m = 1.25 For a discharge of 150 m3 /s, the depth of flow at downstream Section 1 is 5.10 m. Assume n = 0.025. Using the standard-step method, compute the water-surface elevations at Sections 2, 3 and 4. (Assume gradual transition).
A stream has the following cross-sectional data: Station Distance up the Stream Elevation of the Stream Bed (m) Cross-section 1 50 m 100 Trapezoid, B = 15 m, m = 1.50 2 52 m 101 Trapezoid, B = 14 m, m = 1.50 3 54 m 102 Trapezoid, B = 14 m, m = 1.25 4 56 m 103 Trapezoid, B = 13 m, m = 1.25 For a discharge of 150 m3 /s, the depth of flow at downstream Section 1 is 5.10 m. Assume n = 0.025. Using the standard-step method, compute the water-surface elevations at Sections 2, 3 and 4. (Assume gradual transition).
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
A stream has the following cross-sectional data:
Station Distance up the
Stream
Elevation of the
Stream Bed (m) Cross-section
1 50 m 100 Trapezoid, B = 15 m, m = 1.50
2 52 m 101 Trapezoid, B = 14 m, m = 1.50
3 54 m 102 Trapezoid, B = 14 m, m = 1.25
4 56 m 103 Trapezoid, B = 13 m, m = 1.25
For a discharge of 150 m3
/s, the depth of flow at downstream Section 1 is 5.10 m. Assume n =
0.025. Using the standard-step method, compute the water-surface elevations at Sections 2, 3
and 4. (Assume gradual transition).
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