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A square footing located on a dense sand is required to carry a dead load of 200 kN and a live load of 300 kN at an eccentricity not to exceed of 10% of the width. The embedment depth is 1 m. Groundwater level is at 1 m below the ground surface. Calculate the size of the footing using CSM for ASD and LRFD. At a depth B/2 below the bottom of the footing, the soil parameters are
from direct shear tests, OCR
Assume the soil above the groundwater level to be saturated and v' = 0.35. Determine the factor of safety of the footing (use the footing size designed according to CSM) using the conventional method.
For some minerals color is a diagnostic property making identification rather easy. However, certain minerals can also occur in a wide variety of colors making color a poor tool for identification. List different colors for the mineral quartz lo..
An aluminum tube AB is rigidly connected to a steel shaft BC at B. Determine the angle of twist at B and the maximum shear stress in both materials due to the torque applied at B.
A strain gauge mounted on the side of a loaded beam indicates the stresses on the beam as shown below. Determine the maximum and minimum principal stresses and the maximum shear stress at this location.
The annual maximum series of flood magnitude in a river has a normal distribution with a mean of 6000 m^3/s and a standard deviation of 800 m^3/s
The program should use both the maximum shearing-strength criterion and the maximum-distortion-energy criterion. It should also print the values of the principal stresses and, if the material does not yield, calculate the factor of safety.
Each week 85 trucks bring a total of 2,180 metric tons of municipal solid waste (MSW) to the landfill. Each truck averages two loads per day. Each truck has a capacity of 4.5 metric tons and they operate 5 days/week.
If given a brittle material with a known tensile strength, Sut, and a known compressive strength, Suc, use the four main fracture criteria (MNSC, BCM, MM, and MIIM) to determine the shear stress, tau, in terms of the material properties Sut and Su..
The concentration of cadmium ion (Cd^+2) in water is 225 mg/L. Will a precipiate be consumed or produced at pH 9.0? Will a precipitate be consumed or produced at pH 7.5
what criteria should Zachary use evaluate the project ?
A 4-m- long, 6-cm-diameter cylinder placed normal to the flow is used to measure the velocity of an air stream. If a force of 50N is measured. What is the air velocity in m/s?
A reservoir discharge into a 60-inch concrete pipe (rough surface) that discharges freely. what is the pressure in the pipe at point A consider friction, but neglect minor losses.
A vertical curve is to connect two tangents that intersect at station 50+00 and the elevation 500.00ft. The back tangent gradient is -4 percent, the forward tangent gradient is 2 percent, and the elevation of the curve at station 48+50 must equal ..
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