300 mm thick footing slab supports a 300 mm thick wall carrying uniform service dead load of 214.31 kN/m and service live load of 145.9 kN/m. The base of the wall footing slab is 1.2 m from the ground surface.Design parameters are as follows: γsoil = 16 kN/m3, γconc = 24 kN/m3, qa = 215.46 kPa, f’c = 27 MPa and fy = 420MPa. 1.Calculate the net allowable bearing capacity of soil in kPa. 2.Calculate the minimum required width of the wall footing slab. 3 Calculate the maximum ultimate moment (kNm) in the slab if the width of footing slab is 2.1 m
300 mm thick footing slab supports a 300 mm thick wall carrying uniform service dead load of 214.31 kN/m and service live load of 145.9 kN/m. The base of the wall footing slab is 1.2 m from the ground surface.Design parameters are as follows: γsoil = 16 kN/m3, γconc = 24 kN/m3, qa = 215.46 kPa, f’c = 27 MPa and fy = 420MPa.
1.Calculate the net allowable bearing capacity of soil in kPa.
2.Calculate the minimum required width of the wall footing slab.
3 Calculate the maximum ultimate moment (kNm) in the slab if the width of footing slab is 2.1 m
4 Calculate the required center to center spacing of 16 mm bars for flexure if the maximum factored moment in thr slab is 75 kN-m
5 Calculate the ultimate beam shear stress on the footing slab if the footing slab is 2.1 m wide.
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