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A geotechnical report has suggested an allowable bearing pressure of 200kPa. Determine the minimum size of the pad footing for a steel column if a factor of safety of 2.0 is recommended (include an estimate of self weight of the footing in your calculations). The total load of the column is 447.644kN
The two shafts in a speed-reducer unit are subjected to couples of magnitude M1 = 18 N · m and M2 = 7.5 N · m, respectively. Replace the two couples with a single equivalent couple, specifying its magnitude and the direction of its axis.
The compressive strength of concrete has a (population) mean of 2500 psi and a (population) standard deviation of 50 psi. Find the probability that a random sample of n= 5 specimens will have a sample mean strength
If the farmer irrigates continuously, what will be the steady-state concentration of selenium in the stream downstream from the farm (after the irrigation run-off returns to the stream)?
The effective angle of friction (phi) was found to be 26 degrees for a normally consolidated soil. If the soil is tested in consolidated drained triaxial test under sigma3 = 60 kPa, what would be the failure deviatoric stress sigma1-sigma3 stress
Biomass is increasingly used as a fuel to produce power and heat. A sugarcane-? processing mill is powered by a biomass power plant with 140 MW of electricity and with 60 MW of heat in the form of steam for sugar extraction from the cane.
what is the force P to move the cabinet if a) caster A and B are locked b) B is locked A is free to move c) A is locked B is free to move p is applied from the left side pushing right. the width of the cabinet from caster a to b is 24 inches.
Compute the effective composite modulus of subgrade reaction (please consider the subbase, the presence of a relatively shallow rock foundation, and the potential loss of support)
each report may cover all items included in the description of the project below1. toxic and hazardous waste how are
According to barton(1974) the quality of a given rock mass can bedetermined using the equation below. explain each of the parametersin the equation is obtained.
what is the distiniction b/n point and non point sources of water pollution and thier varation with surface and ground water?
Determine the net change in storage during the year if local municipality is allowed to take 100 MGD from the reservoir. You may neglect infiltration and seepage from the reservoir. Sketch a mas blance of the reservoir.
A first order reaction occurs in a PFR at the rate of 2.1 hr^-1. The reactor volume is 1400L and flow is 15 gpm. If the influent concentration is 200 mg/L, then what is the effluent concentration
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