Answered: : maximum headloss gradient is 2m per…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

A hydraulic network was initially designed and constructed to deliver water supply services to community A, B, and C The design guidelines were: maximum headloss gradient is 2m per kilometer, mean speed is between 0.6 to 2.5 m/s, and minimum pressure head is 5m. Using the design size of pipe A-B, after 30 years, the roughness coefficient of all constructed pipelines decreased by 25 grades, reduction in diameter of all pipes by 300mm, and a new community (Community D) is connected to Community C using the original pipeline form S. Determine the size of additional parallel pipeline (along with A-B) in mm to accommodate additional water load and original design pressure head at B is maintained.

S
100 m
C = 100
2000
M
80m
A
C=100
2000m
100 MLD
60m
B
C= LOD
2000m
300 MUD
40m
с
C²100
2000 m
200 MLD
100m
D
188 MLD

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