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For a CD triaxial compression test the specimen was consolidated under an effective confining stress ?3' = 100 kPa. The stress-strain response reached the critical state when deviatoric stress became equal to 200 kPa. Calculate the critical-state friction angle ?c for the soil. What would be the angle that the failure plane is expected to make with the horizontal? What are the values of normal and shear stress on the failure plane?
The forces F1, F2, and F3, all of which act on point A of the bracket, arespecified in three different ways. Determine the x and y scalar components of each of the three forces.
Ball A is thrown vertically upward from the top of a 30-m-high building with an initial velocity of 5 m/s. At the same instant another ball B is thrown upward from the ground with an initial velocity of 20 m/s. Determine the height from the ground..
A pump has the following pump curve is pumping at a rate of 5000gpm. Calculate (a) the total head the pump is pumping against. (b) brake horsepower required to drive the pump.
A distance of 72.55ft. is recorded. A steel tape is supported atthe ends with a tension of 15 lb. and weighting 0.016lb/ft2 . Find the distance corrected for sag.
A body slides down a frictionless plane and during the third second after starting from rest if it travels 20.4m. What is the angle of inclination of the plane?
All jets including 868 have a runway occupancy time of 60 seconds. The 868 can carry an average payload of 360 passengers while all other jets have an average payload of 200 passengers.
A vehicle of mass 2000 kg coasts along a horizontal track against a drag force Fd (in N) on the automobile given by the following Fd=kV^2 where k= 1.25 kg/m and V is the speed in m/s.
After the cone of depression has achieved equilibrium, the piezometric heads at two observation wells 40 and 95 m from the pumping well are measured as 78.9 and 83.4 above sea level, respectively.
he oxygen is compressed from 95 kPa, 20 C to 300 kPa, isothermally. Determine the heat transfer assuming (a) the process is reversible, (b) the process is irreversible such that 20% more work is required than the reversible case.
A circular rc girder for the foundation raft of water tower has dia 10m.the udl load transmittedby 8 coloumn on te girder being 300 kn/m.the width of the beam is 500 mm and the over depth.
A rectangular channel has a bottomwidth = b and flow depth = y. Prove that for a given area, the mostefficient rectangular cross section is one with y = b/2.
Properties of frozen tissues have been measured as part of understanding the response of tissue to cryopreservation. In one set of experiments, frozen bovine carotid arteries were tested in uniaxial tension.
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