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A developer proposes to construct an apartment building near an existing retaining wall (Figure P7.27). The building of width 12 m and length 300 m (parallel to the retaining wall) will impose a surface stress of 150 kPa. In the preliminary design, the long edge of the building is located 1 m from the wall. Assume the building load can be treated as a strip load.
(a) Plot the distribution of the lateral force increase with depth up to a depth of 4 m.
(b) What is the maximum value of the lateral force increase, and where does it occur?
(c) If the embedment depth of the retaining wall is 4 m, calculate the maximum additional moment about the base of the wall (point O in Figure P7.27) from constructing the building.
(d) What advice would you give to the developer regarding how far the apartment should be located from the existing retaining wall?
Does the area enclosed by the cycle on a T-s diagram represent the net-work input for the reversed Carnot cycle?
A 100-ton train traveling on a horizontal track requires 400 hp to maintain a constant speed of 50 mi/h. Determine (a) the total force needed to overcome axle friction, rolling resistance, and air resistance
where FV(Dp) is the fraction of the total aerosol volume in particles of diameter less than Dp. Determine the values of the constants c and b needed to match this distribution to the given aerosol
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The basic barometer can be used to measure the height of abuilding. If the barometric readings at the top and at the bottomof a building are 28.7 and 29.7 in Hg, respectively, determine the height of the building in feet.
Calculate the total active earth force per foot of wall and its point of application from the base of the wall. Use Rankine theory. Calculate the total active earth force per foot of wall if the angle of wall friction between backfill and wall is 2..
A wood mallet has a cylindrical head 6 inches long and 3 inches in diameter. If the cylindrical head is 1 inch in diameter how long must it be for the mallet to balance at a point 6 inches from where the handle enters the mallet
An air bubble of .3 inch diameter is released from the regulator of a scuba diver 100ft below the waters surface. The water temp is 85 degree's F. What is the diameter of the bubble before it reaches the waters surface.
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Determine the unstretched length of spring AC if a force P = 110 lb causes the angle theta = 60^circ for equilibrium. Cord AB is 2 {rm ft} long. Take k = 50;{rm lb/ft}
If the river depth is larger than the subcritical sequent depth, a submerged hydraulic jump forms. Sometimes, concrete blocks called "baffle blocks" are placed on the stilling basin floor to help the hydraulic jump form within the basin.
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