Find the hydraulic conductivity coefficient of permeability, k. A falling head test is performed on a clay soil, for the test.Sample Length = 8cmCross sectional area of sample = 10 sq.cmCross sectional area of stand pipe = 1.5 sq.cmHeight of water in the stand pipe at the start of test period = 100cmHeight of water in the stand pipe at the end of test period = 90cmTime = 60 mins.

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Answered: Find the hydraulic conductivity…

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 4 A 6-ft diameter spherical tank is subjected to an internal pressure of 40 psf. If the wall thickness is 0.60", determine the tangential stress of the wall in psi.
diameter. 11. The maximum force exerted by a small hydraulic press is 500 kN. The working pressure of the fluid is 20 N/mm?. Determine the diameter of the plunger, operating the table. Also suggest the suitable- thickness for the cast steel cylinder in which the plunger operates, if the permissible stress for cast JAns. 180 mm ; 20 mm
2.5. Water is flowing in a horizontal 200-mm diameter pipe at a rate of 0.06 m³/s, and the pressures at sections 100 m apart are equal to 500 kPa at the upstream section and 400 kPa at the downstream section. Estimate the aver- age shear stress on the pipe and the friction factor, f.
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Also, determine the effective stress at a depth of 7 ft. on the below ground surface. (10) Determine the pore water pressure at a depth of 5 ft. below the ground surface. (10) Problem 1: of s 19 Ground Surface 3' Y = 112 pcf 4' Y sat = 120 pcf
A. Oil with Spgr=0.80 forms a layer 0.90m deep in an open tank that is otherwise filled with water. The total depth of water and oil is 3.0m. What is the gage pressure at the bottom of the bottom of the tank? What is the total force at the bottom of the tank? oil 2 0.90m water 2.10m 3
A cylindrical steel pressure vessel with a diameter of 1200 mm and a wall thickness of 20 mm is subjected to an internal pressure of 4.5 MPa. Determine the circumferential stress in the tank.
A thick-walled pipeline with internal and external diameters of 600 mm and 1000 mm, respectively, is subjected to an internal pressure P,. The cylinder is made of steel where E = 200 GPa, a,„ki= 250 MPa and v = 0.3. Given that the safety factor is 2, what is the maximum allowable pressure P, according to:- a) Tresca criterion, and b) von Mises criterion. Subsequently, sketch the HOOP stress distribution in the wall thickness of the pipe and indicate the values of the stresses on the inner and outer surfaces for EACH OF THE CRITERION mentioned above.
Air flow over flat plate; velocity (u) and boundary layer thickness (6) can be expressed as: u 3 y 1/y —= -- Ur 28 2 S } $= 4.64 x ex If free stream velocity is 5 m/sec and air has kinematic viscosity of 2 x 10-5 m²/sec and density of 1.23 kg/m³, the wall shear stress at x = 1 m is
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A mechanically cleaned bar rack screen is installed ahead of a velocity controlled grit chamber. The bars are 10 mm thick, and the openings are 20 mm wide. The flow through the screen is 0.75 m3/s, and the depth of flow is 1.45 m in the channel upstream of the bar rack. 1. Calculate the flow velocity through racks (m/s). 2. Calculate the water depth in the channel downstream of the bar rack (m).

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