A 500 mm square column will support a total dead load of 700 kN and total live load of 700 kN. The column is to be supported by a 500 mmthick square footing with its top 1.2 m from the ground. fc'=21 MPa, fy = 414 MPa, Ycone = 24 kN/m³ , Ysoil = 18 kN/m?, Steel cover to barcentroid is 80 mm, SBC = 200 kPa.• Determine the required dimension of the square footing.• Determine the adequacy of the footing on punching shear.· Determine the adequacy of the footing on wide beam shear stress. (one way shear)

Given, DL=700 kN LL=700kN Thickness d= 500 mm fy=414 MPaf'c=21 MPaγconc=24 kN/m2γsoil=18…

A 500 mm square column will support a total dead load of 700 kN and total live load of 700 kN. The column is to be supported by a 500 mm thick square footing with its top 1.2 m from the ground. fc'=21 MPa, fy = 414 MPa, Ycone = 24 kN/m3. Ysoil = 18 kN/m2, Steel cover to bar centroid is 80 mm, SBC = 200 kPa. • Determine the required dimension of the square footing. • Determine the adequacy of the footing on punching shear. • Determine the adequacy of the footing on wide beam shear stress. (one way shear)

A 500 mm square column will support a total dead load of 700 kN and total live load of 700 kN. The column is to be supported by a 500 mm thick square footing with its top 1.2 m from the ground. fc'=21 MPa, fy = 414 MPa, Ycone = 24 kN/m3. Ysoil = 18 kN/m2, Steel cover to bar centroid is 80 mm, SBC = 200 kPa. • Determine the required dimension of the square footing. • Determine the adequacy of the footing on punching shear. • Determine the adequacy of the footing on wide beam shear stress. (one way shear)

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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A square spread footing supports a square tied column as shown. Assume that the reinforced concrete is normal weight (24 kN/m3) and = 1.00 (NSCP C101-15 Table 419.2.4.2). The column has a height of 3.5 meters. 1. Check NSCP code requirements for the reinforcement: (a) longitudinal bar clear spacing, (b) steel ratio, (c) minimum number of bars, (d) minimum lateral tie size, (e) spacing of ties, and (f) arrangement of ties. 2. Calculate the plan dimensions (L m x L m)of the spread footing. Assume a trial thickness of the footing H = 750 mm. 3. Calculate the effective depth d (mm) considering punching shear (two-way shear).
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a square footing 2.4 m x 0.34 m thick supports a 300 mm square column at its center. column loads are at service conditions dl = 346 kn, ll = 231 kn, fc' = 21 mpa, and fy = 415 mpa. concrete cover to the centroid of steel reinforcement is 100 mm. calculate the nominal one way shear stress in the slab
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B; Design the area, strength design and effective bearing capacity of column footing, if qa= 10ksf, Fc' for footing=5000psi, Fc' for column= 4000psi, fy=40ksi, s.D.L=400k, sL.L=300k nd colum size=1ftx1ft (convert psi to ksi and all necessary unit conversion 5/
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a square footing 2.4 m x 2.4 m x 0.45 m thick supports a 300 mm square column at its center. column loads are at service conditions dl = 346 kn, ll = 231 kn, fc' = 21 mpa, and fy = 415 mpa. concrete cover to the centroid of steel reinforcement is 100 mm. calculate the nominal one way shear stress in the slab
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