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Design a rectangular footing for an 18-in square interior column with a dead load of 210...

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Civil Engineering

Design a rectangular footing for an 18-in square interior columnwith a dead load of 210 k and a live load of 180 k. Make the lengthof the long side equal to twice the width of the short side, fy =60,000 psi, fc' = 4000 psi, normal weight, and qallowable= 3650psf. Assume the base of the footing is 5 ft 0 in below-grade , γconcrete = 150 pcf and γ soil = 100 pcf. Also, assume h=24 in andcover = 4.5 in .

Answer the following questions :

a- Find the required area then the dimensions of the footing.

b- Check one way shear.

c- Check the punching shear.

d- Design the reinforcement in both directions .

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