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You are the geotechnical engineer for a proposed office building in a densely clustered city. The office building will be constructed adjacent to an existing office complex. The soil at the site is a deposit of very dense sand with E = E' = 45 MPa and v = v' = 0.3. The sand rests on a deep deposit of dense gravel. The existing high-rise complex is founded on a concrete slab 100 m × 120 m, located at 2 m below ground surface, and transmits a load of 2400 MN to the soil. Your office foundation is 50 m × 80 m and transmits a load of 1000 MN. You also intend to locate your foundation at 2 m below ground level. The front of your building is aligned with the existing office complex, and the side distance is 0.5 m. The lesser dimension of each building is the frontal dimension. The owners of the existing building are concerned about possible settlement of their building due to your building. You are invited to a meeting with your client, the owners of the existing building, and their technical staff. You are expected to determine what effects your office building would have on the existing building. You only have one hour to make the preliminary calculations. You are expected to present the estimated increase in stresses and settlement of the existing office complex will due to the construction of your office building. Prepare your analysis and presentation.
Include a description of the types of property markers used as well as any problems a surveyor may encounter in this process in your explanation. In addition, discuss the minimum alignment required to establish the centerline
Given a type of material used in a wire with diameter (d = 0.25 in) that stretches 2.3 inches while 80 feet of length is under tensile load of 1800 pounds. Find the elastic modulus of the material used to construct the wire.
Determine the maximum bending stress that will occur in a timber beam of rectangular section 250mm x 80mm when a bending movement of 500N is applied about the x-x axis
For a cross section of a slope through a jointed rock mass, draw the approximate positions of the water table for the following conditions. (K = relative permeability)
A one meter diameter cylindrical mass is connected to a 2 meter wide rectangular gate. the gate is to open when the water level drops below 2.5 meters. Determine the required value of the mass of the cylinder in kgs.
Given simply supported beam with an overhang. The beam is 12 inches wide by 24 inches deep, and the slab is 6 inches deep. use a roof live load of 20 psf, and a concrete density of 150 pdf
The rigid bar abcd is supported by a pin at B and restrained by identical steel bars at C and D, each of area 250mm 2 . if the temperature is increased by 8 0 C, find out the force P that will cause the bar at c to be stress-free.
If not, how are concerns about differences in machine architectures-for example, the different representation of integers on different machines-addressed?
consider a cylindrical copper wire 3.0mm in diameter and 3x10^4 mm long. calculate its elongation when a load of 100N is applied. Assume that the deformation is totally elastic and its Young Modulus is 110GPa.
A 5 ft square, 2 ft. deep spread footing is subjected to a concentric vertical load of 60 k and an overturning moment of 30 ft-k. that acts at a 45 degree angle from the side of the footing
Normal human skin and clothing temperature indoors is approximately 30 o C. In order to maintain this temperature, one student sitting in a classroom gives off heat at a rate of 14 watts per degree K
Assuming the kinetic and potential energy effects to be negligible, determine D) the isentropic turbine efficiency E) the entropy at the exit of the turbine, in kJ/kg K F) the rate of entropy production within the turbine
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