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Calculate the stress distribution with depth at a point 3 m from the comer (along the longest side) of a rectangularly loaded area 10 by 30 m with a uniform load of 60 kPa. Do by
(a) the Boussinesq theory,
(b) the Westergaard theory, and (c) the 2:1 method.
The compound bar carries the axial forces P and 2P. Find the maximum allowable value of P if the working stresses are 40 ksi for steel and 20 ksi for aluminum, and the total elongation of the bar is not to exceed 0.2 in.
Assume that a gallon of gas contains 114,000 BTUs of energy and that a brilliant engineer has created an 80 percent efficient solar cell. Find the area (in square smoots and in square feet) that an array of these solar cells would need to power the a..
The median value of the rupture strength was 300 MPa. The ceramic is to be used for components with dimensions l=50mm, b=d=5mm loaded in simple tension along their length. Calculate the tensile stress that will give a probability of failure of the..
The initial velocity of the brick in position A is 40 ft/s. If the coefficient of kinetic friction between the block and the plate is .40, determine the time it takes the block to reach position b on the horizontal axis.
Are installed together? Show calculations to justify your answer and sketch a specific energydiagram to illustrate the process of changes in flow depth in eachcase.
Friction of the walker's shoes and rope are sufficient to cause the rope to have more tension on one side then the other. Neglecting the weight and any elastic deformations of the 20.1-m long rope, create a table using 1.0m increment for the range
A circular hatch, 2-m in diameter has its top 10-feet under water ( fresh water s.g = 1.0), and is oriented vertically in the water column. What is the hydrostatic pressure force on the hatch, in Newtons.
A soil has a total density of 1.80 Mg/m3. When fully dry, the soil has a density of 1.59 Mg/m3. The specific gravity of the solids is 2.57. Find the following soil parameters: a) Dry unit weight of the sample
A $10,000 bond that matures in 20 years with interest at 8% per year payable quarterly was issued 4 years ago. If the bond is purchased now for $10,000 and held to maturity, what will be the effective rate of return per quarter to the purchaser
determine by trigonometry (a) the required tensoin T2 in the left hand portion if the R of the force exerted by the cable at A is to be vertical, (b) the corresponding magnitude of R.
The true bearing of the line a-b is S 88*50' W, the magnetic bearing of the line d-c is N 89*45' E. What is the magnetic declination
Write a user friendly computer program to design torsion reinforcement in rectangular and flanged beams, and plot the cross-sectional reinforcement details on a graphic plotter
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