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The foundation (base) of a long retaining wall is required to support the load (including self-weight of the base and the wall) and moment (this comes from the lateral loads on the wall) shown in Figure P12.14. Determine the factor of safety against bearing capacity failure. Would the settlement of the base be uniform? Discuss your answer.
a temperature probe moves with the velocity 2i+2j-3k through air. the temperature of air changes as T(x,y,z,t)=(2x^2-3y+z^3)cos(at). Find the rate of change of temperature measured by the probe.
A channel of a rectangular section is to take a certain discharge Q at critical flow; prove that for the wetted perimeter, P=b+2y to be minimum, the water depth must be three-quarters of the width
Estimate the hourly production and unit cost of rock excavation by drilling and basting. The rock is limestone having a seismic velocity of 6000 ft/s.
Sketch and explain what is meant by 'tributary loading' for a one-way support system for a floor slab. Show how to calculate the load per meter of support beam if the support beams are spaced 3000mm apart.
A civil engineer used a 30-m tape in measuring an inclined distance. The measured length on the slope was recorded to be 459.20 m long. The difference in elevation between the initial and the end point was found to be 1.25 m.
The drag force (Fd) acting on a spherical particle that falls very slowly though a viscous fluid is a function of a particle diameter, d, the particle velocity, V, and the fluid viscosity, u. Using dimensional analysis determine the Pi term(s) suitab..
Potential Research on Warm-mix Asphalt Concrete
Prepare a preliminary design of a system to collect dust from a plant under the following conditions: Sample of Dust: 50% by wt. below 30 micrometers; 80% by wt. below 70 micrometers Density= 2.5 g/cubic cmGas Flow Rate: 30,000 acfm (actual cubic fee..
A barge measures 10 ft (depth) by 35 ft by 120 ft and weighs 100 U.S. tons. The barge floats in fresh water (specific weight = 62.4 lb/ft3) and is evenly filled with 38,000 bushels of corn (60 lb/bushel).
A .2kg mass of argon gas fills a .05m^3 piston-cylinder volume at a pressure of 400 kPa absolute. The piston induced pressure is changed until the volume expands to twice its original value, while the temperature remains constant.
determine the range from the SV to the REC in GPS; using codes C/A and P and also waves (L1 and L2). How does two of the below from the list have an effect on the codes and waves
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.
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