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An oedometer test on a clay soil gave the following results: Cc = 0.4, Ce = 0.08, OCR = 5. The thickness of the clay layer in the field is 2.6 m. The existing vertical effective stress at the mid-depth of the clay layer is 150 kPa. This vertical effective stress will increase to 350 kPa due to the load imposed by a building foundation. Calculate the primary consolidation settlement. If the OCR was 2 instead of 5, what would be the difference in primary consolidation settlement?
An insulated system contains two solid blocks in contact with each other; one hot and the other cold. After heat transfer over some time, thermal equilibrium is established in the container.
Tank A has a volume of 100 liters and contains saturated vapor r-134 at 30C. With the valve open slightly flow enters cylinder B. a pressure of 200kpa is required to lift piston in b. the process ends when the pressue at A drops to 200kPa.
A block begins to slide down a ramp after being elevated to an angle of 47.5 degrees. What is the coefficient of static friction
A dam has a parabolic shape z/zo = (x/xo)2, with xo = 10 ft and zo = 24 ft. The fluid is water, gamma = 62.4 lbf/ft3, and atmospheric pressure may be omitted.
A soil borrow material in its natural state in the ground has a unit weight of 118pcf. Its natural water content is 7%. What is the dry unit weight of this material?
A development is being planned within a 250-acre watershed. The present land use is 120 acres of pasture, with soil type B(CN=61), and the rest soil type D (CN=80). The Tc is 54 min. and the 2-year, 24-hour storm depth is 4 in.
A stainless steel tube with an outside diameter of 65 mm and a wall thickness of 5 mm is used as a compression member. If the axial normal stress in the member must be limited to 180 MPa, determine the maximum load P that the member can support.
The bar is fixed at B (length=2a) with a pin support at A (length L=0). Additionally, at A is a torsion spring (spring constant Ca = EI/a) and an extension spring is attached at B (spring constant Cb = EI/(a^3)).
If the component of velocity along the axis is Vx=6t with t in seconds. determine the particle's distance from the oriigin which is at t=3s. when t=0, x=0, and y=0. also determine the magnitude of acceleration when t=3, x and y are in ft.
An excavation is proposed for a site consisting of a homogenous, isotropic later of silt clay, 14.24 m thick, above a deep deposit of sand. The groundwater is 2m below ground level outside the excavation. The groundwater level inside the excavatio..
If the detention storage on the paved section is increasing at the rate of 60 m3/hr, what is the runoff rate into the inlet grate?
Determine the strain components strainx, Strainy, and gammaxy, then sketch the deformed shape in the xy orientation, paying particular attention to the sign of the shear deformation.
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