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An axial load P is supported by a short W8 X 40 column of a cross-sectional area A = 11.7 in2 (inches squared) and is distributed to a concrete foundation by a square plate as shown (in the attachment) Knowing that the average normal stress in the column must not exceed 35 ksi and that the bearing stress on the concrete foundation must not exceed 3.5 ksi, determine the side a of the plate that will provide the most economical and safe design.
n 2006, the united states emitted 6,000 million metric tons (Mt) of CO2, 26.6 MtCH4, and 1.2 MtN2O. using 100 year global warming potentials, whats is the equivalent CO2 emission rate of the total for these three gases, in GtC-eq/yr
Four strain gages are mounted at 90o intervals around the circumference of a 100-mm steel shaft. E= 200 GPa, and ? = 0.3. All gages are oriented at an angle of 45o with respect to the longitudinal axis of the shaft.
To satisfy desige limitation it is necessary to determine the effect of the 2- kN tension in the cable on the shear tension and bending of the fixed I-beam.
Need to design a cantilever retaining wall 8m high, saturated unit weight is 16kn/m 3 , surcharge is 7kn/m 2 , load above wall supported on wall stem
A closed storage building is located on open flat terrain in central ohio. If the side wall of the building is 20ft high, determine the external wind pressure acting on the windward and leeward walls. Each wall is 60ft long.
Neglecting air resistance, determine the height a vertical jet of water will rise if projected with velocity 58 ft/ s.
A 0.25 in diameter copper rod BC is securely attached between two identical 1 in diameter steel rods (AB and CD). Find the load P if the total elongation of the system is measured to be 0.0312 in. Esteel= 29,000ksi, Ecopper=17,000ksi.
When making hardness measurements, what will be the effect of making an indentation very close to a preexisting indentation? Why?
A coal-fired power plant with an scrubber has an overall removal efficiency of 85%. But rather than treat the entire stream to 85% removal
equation for pressure in bottom layer of a 2 layer fluid is: pressure,p =( specific weight of fluid 1,y1*thickness of fluid 1,h1) + ( specific weight of fluid 2,y2 * ( depth below the free surface at which the pressure is being determined, h - thi..
Circular contours tightly spaced around each other with increasing contour interval elevations towards the inner most contours indicate the presence - For a traverse of perimeter P = 574.66 feet, a summation of latitudes equal to +0.15, and a summ..
A 4.00-cm-diameter, 0.80-m long rod of aluminum 7075-T6 is subjected to an axial tensile force with a factor of safety of 1.75. The yield stress and modulus of elasticity of aluminum 7075-T6 are 500. MPa and 210. GPa, respectively.
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