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Footings for a structure are to be built beneath a basement slab on a clay at a depth of 20 ft. below present ground level. Representative consolidation tests on the soil produce a 0.043 slope of recompression curve. The groundwater table is 15 ft. below the ground surface. The soil has a unt weight of 120 pcf. The soil-void ratio is about 0.87. If the average bearing pressure on the footings is 2,600 psf., estimate the settlement of 10 ft. and 5 ft. square footings. Also , what is the factor of safety for the footings against bearing failure if the clay soil has an unconfined compressive strenght of 3,600 psf? The back of the book says that for a 5 ft. footing, the estimated settlement= 1.72 in. And for a 10ft. footing, the estimated settlement= 2.42 in. Also it says the Factor of Safety at least for the 5 t. footing is FS=5.554.
The acceleration of the car is defined by a=(2t^2+t)m/s^2. Find the position of the car at t = 3 seconds. The car starts from rest.
the following table lists temperatures and specific volumes of ammonia vapor at two pressures p 50 psi
a 40-mph wind below past your house speeds up as it flows up and over the roof.nbspif the elevation effects are
why is the reynolds number for onest of turbulence given by re gt 2000 in fully flowing pipes and re gt 500 in partly
A certain balloon is constructed of a material such that the pressure inside is related to the volume according to the relation PV^(-2/3)=constant. The balloon contains 2kg of ammonia initially at 0C, 60% quality. The balloon is now heated until the ..
I am interesting in seeing the equations to find the strengths of a aluminium 6061 tube at 36in x 3in x 3in with 1/4in wall. This is more of a review for me. Would like to see the equations at work. For an example, say I am building a device that req..
There is a membrane made of an isotropic material whose elastic modulus and Poisson's ratio is E and v, respectively. When this membrane is elongated along x-direction with no lateral deformation in y-direction, the apparent elastic modulus (E') dete..
The model of a tidal channel in a coastline study is scaled to 1/100 of actual size. Fresh water is to be used in place of seawater in the model. Assuming that the Reynolds number must be matched, what model velocity is needed to ensure dynamic simil..
calculate the amount of work input a refrigerator needs to make ice cubes out of a tray of 0.25 kg of liquid water at
a steam power plant is proposed to operate between the pressures of 8psia and 450psia with a max temperature of
a modified brayton cycle is to be analyzed using the air-standard assumption with constant specific heats at a
calculate and plot the response of a system with transfer function gs100s22s3s25s1 to the input ut10exp-tsin5t assuming
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