1.Determine the increase in vertical stress (kPa) 7 m below the corner of a rectangular foundation 3 m wide and 9 m long

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1.Determine the increase in vertical stress (kPa) 7 m below the
corner of a rectangular foundation 3 m wide and 9 m long uniformly
loaded with a pressure of 553 kPa. Provide answer as a whole
number
2.A circular water tank with a radius of 2.4 m and a weight of
251 kN sits on the ground surface. Determine the increase in
stress (kPa) at a depth of 1.9 m below the center of the tank using
Boussinesq chart method. Provide your answer to 2 decimal
places.