1. A triangular channel has a vertex angle of 60° and is 2m deep. It has a roughness coefficient of 0.016 on a grade of 0.004 a. Find the Froude Number b. If it is to be redesigned into the most economical section, find the percent of savings.

1. A triangular channel has a vertex angle of 60° and is 2m deep. It has a roughness coefficient of 0.016 on a grade of 0.004 a. Find the Froude Number b. If it is to be redesigned into the most economical section, find the percent of savings.

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter8: Seepage

Section: Chapter Questions

Problem 8.1CTP

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Concept explainers

Highway Drainage

Highway drainage is the process of extracting and regulating the excess surface water on the pavement by giving the desired slope. The construction of a highway drain helps to divert the water present on the surface, and sub-grade by the means of slope. Highway drainage systems are a necessary part of smooth functioning of traffic, since the highway drainage systems provide proper disposal of unwanted substances from the highways.

Question

1. A triangular channel has a vertex angle of 60° and is 2m deep. It has a
roughness coefficient of 0.016 on a grade of 0.004
a. Find the Froude Number
b. If it is to be redesigned into the most economical section, find the
percent of savings.

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