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Three soil borings were performed at the site of a structure and the SPT blow counts at each depth are shown below. (Do not make any corrections to the blow counts.) The soil below the footings consists of a medium grain sand (SP) and water is located at a depth of 5 feet below the ground surface. The preliminary structural plan calls for a 10 foot wide footing located at a depth of 5 feet which must support a load of 300 kips.
Determine:
The allowable soil bearing pressure with respect to shear failure using a factor of safety of 2.5.
The allowable soil bearing pressure with a settlement limitation of 1 inch.
The allowable total load capacity of the footing. Will it be adequate for the design load?
write computer code using Matlab that emoloyes the nelder and mead simplex method to solve the welded-beam design (benchmark problem
Introduction to management science, The Dynaco Manufacturing Company produces a particular product in an assembly line operation. One of the machines on the line is a drill press that has a single assembly line feeding into it.
The moist unit weight of a soil is 119.5 pcf. For a moisture content of 12% and Gs=2.65, calculate the following;
Maintenance expenses for a bridge in west Tennessee are estimated to be $200,000 for the first eight years followed by two separate million dollar expenditures in years 12 and 18. The expected life of the bridge is thirty years.
THE VERTICAL ANGLES WERE READ AT BOTH ENDS OF THELINE AND THEN AVERAGED USING A CO-AXIAL THEODOLITE/EDM COMBINATION.IF THE ELEVATION OF THE INSTRUMENT STATION IS 630.15 FT
aluminum foil used to package food is approximately 0.001 inch thick. assume that all of the unit cells of the aluminum are arranged so that a is perpendicular to the foil surface.
Two reservoirs are connected by a pipeline. The pipeline is 1 m in diameter and has a friction factor of 0.03. The elevation difference between the reservoirs is 30 m. The two reservoirs are 5 km apart.
Water flows on the inside of a steel pipe with an inner diameter of 2.5cm. The wall thickness is 2mm, and the convection coefficient on the inside is 500 W/m2oC. The convection coefficient on the outside is 12 W/m2oC.
Determine the specific surfaces in m2/g units for the spheres of diameters (a) 10.0 cm, (b) 1.0 cm,(c) 0.1 cm, (d) 0.01 cm. (e) 0.001 cm and (f) 0.0001 cm. Assume the mass density of spheres as 2.5g/cc.
Constructing the foundation causes changes in the levels of vertical stress at all points in the soil. One such point lies at the centre of the footing plan and is at a depth of 10m. Determine the increment of vertical stress there.
Two remediation options are being considered for a contaminated land area formerly used for industrial operations. Option 1 involves removing all of the contaminated soil over a two-year period at a cost of 2.2$ million per year
A rigid-walled cubical container is completely filled with water at 40 0F and sealed. The water is then heated to 100 0F. Determine the pressure that develops in the container when the water reaches this higher temperature
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