Water flow in a river channel has velocity V = 5m/s, depth d = 2.5m, slope = 0.0008 and friction 0.012. The characteristic of the bed material has dimension ds = d50 = 0.63 mm. With the support of the design chart below, what is the flow velocity if we consider bed forms? (Consider friction f = 0.012 constant throughout the exercise; sediment density ps = 2600 kg/m³; water density p= 1000 kg/m³). (Answer in m/s) 1 x 106 Vd √(S-1)gd³ 4x104 3 x 104 d/ds=1 x 105. 8 x 104 6x104 sin 0 1 x 10 1.5x10-5 -2x10-5 -3x10-5 4 x 10-5 6x 10-5 8x10-5 3x 10-4 1x 10-4 1.5×10-4 2x 10-4 4 x 10-4-sin 0

Water flow in a river channel has velocity V = 5m/s, depth d = 2.5m, slope = 0.0008 and friction 0.012. The characteristic of the bed material has dimension ds = d50 = 0.63 mm. With the support of the design chart below, what is the flow velocity if we consider bed forms? (Consider friction f = 0.012 constant throughout the exercise; sediment density ps = 2600 kg/m³; water density p= 1000 kg/m³). (Answer in m/s) 1 x 106 Vd √(S-1)gd³ 4x104 3 x 104 d/ds=1 x 105. 8 x 104 6x104 sin 0 1 x 10 1.5x10-5 -2x10-5 -3x10-5 4 x 10-5 6x 10-5 8x10-5 3x 10-4 1x 10-4 1.5×10-4 2x 10-4 4 x 10-4-sin 0

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter11: Compressibility Of Soil

Section: Chapter Questions

Problem 11.14P

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Concept explainers

Principles of Seepage

In hydrology, when water flows down in a pore or crack of unsaturated soil due to gravity, the deep layer of soil is called seepage. It is the slow movement of water in the soil layer. Seepage is mainly found near hydraulic structures and is responsible for the stability of earthen-type hydraulic structures.

Question

Note:Format should not be hand written.

Water flow in a river channel has velocity V = 5m/s, depth d = 2.5m, slope = 0.0008
and friction 0.012. The characteristic of the bed material has dimension ds = d50 =
0.63 mm. With the support of the design chart below, what is the flow velocity if we
consider bed forms? (Consider friction f = 0.012 constant throughout the exercise;
sediment density ps = 2600 kg/m³; water density p= 1000 kg/m³). (Answer in m/s)
1x 106
Vd
(S-1)gds3
4x104
3x 104
d/ds=1 x 105
8x104
6 x 104
4
sin 0=1 x 10-5
1.5x10-5
-2x 10-5
-3x10-5
4 x 10-5
6x 10-5
8x10-5
3x 10-4
1x 10-4
1.5×10-4
2x 10-4
- 4 x 10-4-sin 0

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