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A cohesionless soil sample was subjected to a triaxial test. The sample failed when the minor principal stress (confining pressure) was 1200 lb/ft^2 and the deviator stress was 3000 lb/ft^2. Find the angle of internal friction for this soil
Plot the variation with depth (z) of the at-rest lateral earth pressure behind the wall, and determine the magnitude and location of the at-rest lateral earth force per unit length of wall.
An equal tangent vertical curve connects a -2% and a +3% grade. The low point of the curve is at elevation 297.88 ft. If the PVI is at elevation 295 ft, what is the design speed of the curve
The steam flow rate entering the pipe is 2500kg/hr. Due to heat loss from the pipe to the surrounding air (at 25 C) 20 kg/hr of condensate is formed in the pipe and removed at the end of the pipe.
During a 1.5-hr storm, 1.3 in. of rain fell during the first hour, and 0.4 in. of rain fell during the last half hour. The average flow in the downspouts was 1.7, 3.6, and 3.4 ft3/sec for each of the half-hour periods.
Consider the steady-flow energy equation applied to the given extrusion process. Since the die is horizontal then there will be no change in potential energy from inlet to outlet. Hence the potential energy terms can be neglected.
a plane truss is subjected to a loads 2P and P at joints B and C, respectively, as shown in figure part a.The truss bars are made of two L102 x 76 x 6.4 stell angles having an ultimate stress tension equal to 390 MPa (cross-sectional are of the tw..
the path of particle p ios the elipse difined by relations r=2/(2-cosPIEt) and theta=PIEt, where r is exspressed in meters , tis in seconds nd thet is in radians. Determine the velocity and the acceleration of the particle whern t=0 seconds
how kinematic and diffusion wave model been used for rainfall runoff modelling. main computer programme involved.
A closed cylindrical tank filled with water has a hemispherical dome and is connected to an inverted piping system. The liquid in the top part of the piping system has a specific gravity of 0.68.
determine the horizontal spacing of the vertical drains if the drains are installed in triangular grid to reach 90% of primary consolidation in 1.5 years after the commencement of fill placement
A radar device is installed at a location on the roadside to measure instantaneous speeds of vehicles passing that location. The initial four vehicles' speeds are listed. Calculate the space-mean speed of these four vehicles.
If the pressure in pipe B is decreased 10 kPa and the pressure in pipe A remains unchanged, determine the new reading along the inclined leg of the mercury manometer.
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