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For the pedestal of given Problem, assume that the load is placed at the computed eccentricity. Calculate the maximum tensile and compressive stresses developed on a horizontal plane 3 ft below the top of the pedestal
Problem A concrete pedestal is in the shape of a cube and is 6 ft on each side. The pedestal supports a superimposed load of 40,000 lb located on the Y-Y axis, as shown. Calculate the maximum eccentricity e for zero tension at the base of the pedestal. Include the weight of the pedestal using a concrete unit weight of 150 pcf.
An alpha-emitter, has been used as a thermal power source, as described in Table 12.2. What is the energy recoverable as heat per decay in MeV? Provide two answers, one assuming all of the energy produced is dissipated as heat, and one assuming only ..
A hypersonic gun tunnel is used to generate short-duration, high-speed flows and typically consists of two cylindrical volumes separated by a diaphragm. One end of the tunnel (the driver end) is pumped to a high pressure, while the other end (the dri..
in a mechanical coal-washing process a portion of the inorganic sulfur and ash material in the mined coal can be
a 40-mph wind below past your house speeds up as it flows up and over the roof.nbspif the elevation effects are
The design of a river model is to be based on Froude number similarity, where the Froude number, Fr = V/(gy)1/2 is a function of the water velocity, V, the water depth, y, and the acceleration of gravity, g. If the river depth is 3 m and the m..
a pontoon of constant rectangular cross section is 50 m long 10 m wide and 5 m in depth. it floats in sea water at a
a piping system consists of 100 ft of 2-in pipe a sudden expansion to 3-in pipe and then 50 ft of 3-in pipe. water is
Given a lifting (rotating) cylinder in cross flow of radius a with a lift coefficient of C1=5, calculate the peak (suction) pressure coefficient, Cp. Use potential flow relations and assume 2-D.
the wheel roles without slipping such that at the instant shown it has an angular velocity and angular acceleration.
A person conducts an experiment in which he rides in an elevator while standing on a set of scales that displays his weight in pounds (Fig. a). Let a be the elevator's upward acceleration rela tive to the earth. T
A constant pressure is applied to a 0.5 m diameter vertical cylinder of 300 kPa in a piston cylinder device. Atmospheric pressure is 100 kPa. Calculate the mass of the piston and the work needed to move the piston 5 m in the upward direction.
an angled jet of water comes from the ground at 5 m s at a 35 degree angle from the horizontal. how high does the
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