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A new retail store is being planned for a site that contains 40 ft of soft clay (cv = 0.075 ft2/day, γ = 100 pcf). The clay layer is overlain by 15 ft of sand (γ = 112 pcf) and is underlain by dense sand. The groundwater table is found 5 ft below the ground surface. The structure is expected to add an additional load of 2000 psf throughout the clay layer. To monitor the pore pressure dissipation within the clay during consolidation, standpipes are installed 10 ft, 20 ft, and 30 ft within the clay layer.
Determine:
a) the height of the water, with respect to the base of each standpipe, and
b) the effective stress at the depth of each standpipe, at the following times:
Draw the FBD and the shear and bending moment diagrams. Label all minimums, maximums and zero crossing points as well as the slopes as constant, linear or parabolic.
A regular hexagonal pyramid has an upper base edge of 16 ft. and a lower base edge of 28 ft. if the volume of the frustum is 18041 ft^3., find the lateral area of the frustum.
This material is related Geotechnical Engineering, please only answer if you are certain and sure of your answer. An undisturbed soil sample has a dry unit weight of 112 pcf with a specific gravity of solids equals to 2.68.
Develop a simple urban constructed wetland design.
A dense sand has an effective friction angle of 43 and c'=0. A dry, 2.8-inch diameter sample is tested in drained triaxial shear with a confining pressure of 2500 psf. What axial load, P (in pounds), will be required to fail the sample?
Evaluate company performance in relation to GRI standards and comment on Stigler's theory.
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Determine axial force and Max bending - Question in structure analysis
the maximum degree of curvature can be at most 6.0 and the superelevation can be at most +6.0%. Design the ramp for the highest horizontal curve design speed given the constraints.
Prepare a capstone report for designing of steel building using AISC 14 edition manual.
A CU triaxial test with σc = 20 psi is performed on a sand and a deviator stress of 80 psi fails the specimen. Previous tests revealed that the effective friction angle for this sand is 35°. Calculate the pore water pressure at failure.
A radioactive waste from a clinical laboratory contains 0.2 μCi (microcuries) of calcium-45 (45Ca) per liter. The half-life of 45Ca is 152 days.
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