what are the saving of the materials if one square meter cost around 167 pesos, first for rectangular cross section and semi-circle section for 1 km. *please replace the trappeziodal figure to rectangular cross section and semi-circle section

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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what are the saving of the materials if one square meter cost around 167 pesos, first for rectangular cross section and semi-circle section for 1 km.

*please replace the trappeziodal figure to rectangular cross section and semi-circle section

*same given 

Design a trapezoidal open channel of most efficient section with one side slope at 2:3
(V:H) and the other at 3:4 (V:H) to carry 5 cubic meters of water through a slope of 9 m
per kilometer. Use Manning's Equation with n = 0.025.
Given:
Q = 5 m/s
n = 0.025
X1
b
X2
freeboard
Vws
2 V13
5/3
3.
b.
Transcribed Image Text:Design a trapezoidal open channel of most efficient section with one side slope at 2:3 (V:H) and the other at 3:4 (V:H) to carry 5 cubic meters of water through a slope of 9 m per kilometer. Use Manning's Equation with n = 0.025. Given: Q = 5 m/s n = 0.025 X1 b X2 freeboard Vws 2 V13 5/3 3. b.
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