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Unformatted text preview: the change in stress produced by construction and filling of the tank were to be found. These were calculated similarly to part B using equation 9.6 and 9.7 in Das. The final step was to calculate the change in stresses due to construction of the large building in proximity to the tank. The vertical stress caused by a rectangular loaded area on the tank was found by applying the properties of superposition and symmetry. ANSWERS TO QUESTIONS Given the loads and positions of the building, the differential settlement below the tank does not appear to be a concern. Assuming that the area of the tank is a square rather than a circle and using a pressure bulb analysis, it found that the load applied at the surface by the full tank does not have a significant effect on the stress below the building....
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 Fall '07
 Marika
 Geotechnical Engineering

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