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A slope face is cut in granite with sheet joints dipping as shown.
A) Disregarding information about cohesion or friction along the joint surfaces, state why the cut is stable.
B) The roadway is to be widened which will require a slope face cut at a steeper angle. Assume zero cohesion along the joints. What engineering parameter must the joint surfaces possess (magnitude) to be stable on a steeper cut with no reinforcement.
A reinforced concrete beam having the cross section shown is on a simple span of 28ft. It carries uniform service loads of 3.60 kips/ft live load and 2.20 kips/ft dead load. Check the adequacy of the beam with respect to the moment.
Write a user friendly computer program to design torsion reinforcement in rectangular and flanged beams, and plot the cross-sectional reinforcement details on a graphic plotter
A falling-head permeability test was carried out on a clay soil of diameter 100 mm and length 150 mm. In 4 minutes the head in the standpipe of diameter 5mm dropped from 680 to 350 mm.
Thin rubber strips are used to provide increasing resistance to orthopedic patients during large motion exercises. The sheets shown are 0.03125 in thick and 3 in. wide. Say the rubber properties are 120 psi and v= 0.47.
Forces F and P have magnitudes of F=40 lb. and P= 60 lb., Using the paralellogram law, determine the magnitude of the resultant R and the angle theta it makes with the horizontal. The given angle is 40 degrees.
What is the equilibrium droplet size at a relative humidity of 100% for a NaCl cubic crystal 0.077 micron on a side
According to the Owner's Manual for the Gateway Arch by William Thayer, the construction made use of the following mathematical equation. y(x) = a + b * cosh( c * x) a= 693.8597 b= -68.7672 c=.010033
Air at 200 kPa and 950 K enters an adiabatic nozzle at low velocity and is discharged at a pressure of 80 kPa. If the isentropic efficiency of the nozzle is 92%, determine the temperature and velocity of the air at the exit.
Suppose X is a continuous random variable with probability density function, f(x)=4x^3 for 0
Ethyl acetate is made from acetic acid and ethyl alcohol. Let x = pounds of acetic acid input, y=pounds of ethyl acohol input, and z = pounds of ethyl acetate output. The relationship of output to input is: z^2/(1.47x - z)(1.91y - z) = 3.9.
a 6 inch soil cement base and an 8 inch crushed stone subbase, which truck will cause more pavement damage?(assume drainage coefficients are 1.0)
A 0.4m^3 moist soil sample has the following: Moist mass = 711.2 kg, Dry mass 623.9 kg, Specific gravity of soil solids = 2.68 Estimate: a). Moisture content. b). Moist density.
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