Sand particles (SG = 2.7), approximately spherical withdiameters from 100 to 250 m, are introduced into anupward-flowing stream of water at 20μC. What is theminimumwater velocity that will carry all the sand particlesupward?

To determine the minimum water velocity required to carry all sand particles upward in an…

Answered: Sand particles (SG = 2.7),…

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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Consider the following velocity profiles measured in the lower atmosphere above the soil and in a river above the sediment-water interface. Estimate the friction velocity and roughness height at the interfaces. Velocity in air m/s Velocity in river m/s Elevation above interface 1 m 2.3 0.12 2 m 3.0 0.13 5 m 3.9 0.16 10 m 4.6 0.17
Problem 9.123 Determine the magnitude of the resultant hydrostatic force acting on the dam and its location, measured from the top surface of the water. The width of the dam is 8 m P = 1.0 Mg/m³. (Figure 1) Figure 1 of 1 6 m Part A Determine the magnitude of the resultant hydrostatic force acting on the dam. Express your answer to three significant figures and include the appropriate units. F= Submit Part B h = μA Submit Value Determine the location of the resultant hydrostatic force acting on the dam, measured from the top surface of the water. Express your answer to three significant figures and include the appropriate units. Units My Answers Give Up μA Value Units ? My Answers Give Up ?
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P 1. A storage cylinder with a 3 meter diameter and 4 meters in height is filled with 635,000 N of sand. Complete the following and you must show all of your work to receive full credit. Weight of Sand: Mass of Sand: * Volume of Storage Cylinder: Density of Packed Sand: Specific Weight of Sand: Mass volume Jolame * FR 494,000 N What is the velocity in m/s? m³/s kg m 50,000 50,000 kg/m³ N/m³ 1.25 +100 (2.5) 2. Water is flowing at 50,000 cm³/min through a 2.5 cm diameter pipe. Assume the density Inan Cm 3 naih myh 1.805. сум 1' 100cm 000 = 0.025 0.0008
Problem 9.123 Determine the magnitude of the resultant hydrostatic force acting on the dam and its location, measured from the top surface of the water. The width of the dam is 8 m P = 1.0 Mg/m³. (Figure 1) Figure 1 of 1 6 m Part A Determine the magnitude of the resultant hydrostatic force acting on the dam. Express your answer to three significant figures and include the appropriate units. F= Submit Part B h = μA Submit Value Determine the location of the resultant hydrostatic force acting on the dam, measured from the top surface of the water. Express your answer to three significant figures and include the appropriate units. Units My Answers Give Up μA Value Units ? My Answers Give Up ?
If 40% of hydrostatic head is lost in flowing through soil B (that has k = 0.06 cm/s) as shown in figure below, then the discharge velocity and the seepage velocity through soil B are respectively [Consider level at point 1 as datum] Soil A B e 0.6 0.8 T 40 cm # 40 cm # 40 cm 1 G 2.67 2.65 (1) Soil A (2) Soil B

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Sand particles (SG = 2.7), approximately spherical with diameters from 100 to 250 m, are introduced into an upward-flowing stream of water at 20μC. What is the minimum water velocity that will carry all the sand particles upward?