A rectangular channel of planed timber (n = 0.012) is 1.5 m wide and carries 1.7 m³/s. The depth of flow varies from 1.2 m to 0.9 m at a section 200 m downstream. Determine the following: (a) V₁ and V₂ (m/s), (b) head loss (hu) between 1 and 2 in meters, (c) slope of EGL, S, and (d) channel bed slope, So.

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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PROBLEM 1
A rectangular channel of planed timber (n = 0.012) is 1.5 m wide and carries 1.7 m³/s. The depth of flow varies
from 1.2 m to 0.9 m at a section 200 m downstream. Determine the following:
(a) V₁ and V₂ (m/s),
(b) head loss (hl) between 1 and 2 in meters,
(c) slope of EGL, S, and
(d)
channel bed slope, So.
Transcribed Image Text:PROBLEM 1 A rectangular channel of planed timber (n = 0.012) is 1.5 m wide and carries 1.7 m³/s. The depth of flow varies from 1.2 m to 0.9 m at a section 200 m downstream. Determine the following: (a) V₁ and V₂ (m/s), (b) head loss (hl) between 1 and 2 in meters, (c) slope of EGL, S, and (d) channel bed slope, So.
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