A 4.0 m square footing is proposed to be used to support a 766 mm x 766 mm RC column loaded with 550 kN dead load and 590 kN live load. The bottom of the footing is 2 m below the ground. Assume soil weighs 19 kN/m3 and the allowable soil bearing pressure is 307 kPa. The thickness of the footing is 563 mm. f'. = 21 MPa and fy = 420 MPa. It is to be reinforced with 20 mm diameter. Use 24 kN/m3 as the unit weight of concrete. Use an effective depth measured from the top of the footing until the center of the bottom-most bar (d1) Calculate the number of bars required in one direction.
A 4.0 m square footing is proposed to be used to support a 766 mm x 766 mm RC column loaded with 550 kN dead load and 590 kN live load. The bottom of the footing is 2 m below the ground. Assume soil weighs 19 kN/m3 and the allowable soil bearing pressure is 307 kPa. The thickness of the footing is 563 mm. f'. = 21 MPa and fy = 420 MPa. It is to be reinforced with 20 mm diameter. Use 24 kN/m3 as the unit weight of concrete. Use an effective depth measured from the top of the footing until the center of the bottom-most bar (d1) Calculate the number of bars required in one direction.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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