Calculate the minimum slope on which the channel shown in figurebelow must be laid if it is to carry 1.416 m3/s of water with a depth of0.61 m. The sides and bottom of the channel are made of formed, unfinished concrete. Calculate the minimum slope on which the channel shown in figurebelow must be laid if it is to carry 1.416 m3/s of water with a depth of0.61 m. The sides and bottom of the channel are made of formed,unfinished concrete.-2.44 m-0.61 m1.22 m Typical design values of roughness coefficient (n) for artificial channels and natural streamsChannel Descriptionn|Glass, copper, plastic, or other smooth surfacesSmooth, unpainted steel, planed wood0.0100.012Painted steel or coated cast iron0.013Smooth asphalt, common clay drainage tile, trowel-finished concrete, glazed brickUncoated cast iron, black wrought iron pipe, vitrified clay sewer tileBrick in cement mortar, float-finished concrete, concrete pipeFormed, unfinished concrete, spiral steel pipe0.0130.0140.0150.017Smooth earth0.018Clean excavated earth0.022Corrugated metal storm drainNatural channel with stones and weedsNatural channel with light brushNatural channel with tall grasses and reeds0.0240.0300.0500.060Natural channel with heavy brush0.100

It is required to find the slope for which the channel will carry the given discharge of 1.416…

Calculate the minimum slope on which the channel shown in figure below must be laid if it is to carry 1.416 m3/s of water with a depth of 0.61 m. The sides and bottom of the channel are made of formed, unfinished concrete. -2.44 m 0.61 m -1.22 m

Calculate the minimum slope on which the channel shown in figure below must be laid if it is to carry 1.416 m3/s of water with a depth of 0.61 m. The sides and bottom of the channel are made of formed, unfinished concrete. -2.44 m 0.61 m -1.22 m

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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Concept explainers

Sediment transport

Sediment transport or Soil transport is the movement of solid particles, usually due to the combination of gravitational forces acting on the sediment, and the movement of the liquid at which the sediment enters. Soil erosion occurs in natural systems where the particles are sandstones (sand, rocks), mud, or clay; the liquid is air, water, or ice; and the gravitational force that works to move particles to the landing surface. Sediment transportation or soil migration due to the movement of liquids occurs in rivers, lakes, lakes, oceans, and other bodies of water as a result of currents and waves. Transportation is also caused by glaciers as they flow, and to places on earth under the influence of wind. Soil erosion due to gravity alone is possible in most sloping areas, including hills, scarves, cliffs, and the continental shelf — the continental boundary of the slope.

Question

Calculate the minimum slope on which the channel shown in figure
below must be laid if it is to carry 1.416 m3/s of water with a depth of
0.61 m. The sides and bottom of the channel are made of formed, unfinished concrete.

Typical design values of roughness coefficient (n) for artificial channels and natural streams
Channel Description
n
|Glass, copper, plastic, or other smooth surfaces
Smooth, unpainted steel, planed wood
0.010
0.012
Painted steel or coated cast iron
0.013
Smooth asphalt, common clay drainage tile, trowel-finished concrete, glazed brick
Uncoated cast iron, black wrought iron pipe, vitrified clay sewer tile
Brick in cement mortar, float-finished concrete, concrete pipe
Formed, unfinished concrete, spiral steel pipe
0.013
0.014
0.015
0.017
Smooth earth
0.018
Clean excavated earth
0.022
Corrugated metal storm drain
Natural channel with stones and weeds
Natural channel with light brush
Natural channel with tall grasses and reeds
0.024
0.030
0.050
0.060
Natural channel with heavy brush
0.100

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