Grade of concrete fck = 40 MPa Grade of steel fy = 500 MPa Width of section b = 1000 mmDepth of section D = 3000 mmClear cover = 150 mmEffective depth d = 2850 mm

Bending moment M = 19000 kN-m Single layer

Area of steel Ast = 16532.057 mm2 0.580072

Dia. of bar Dia. = 32 mm

No. of bar Nos. = 21 Nos.

spacing of bar mm = 49 mm

Single layer Spacing 49 mm

Layer 2 Spacing 97 mm

Column sizeB = 380 mmD = 770 mm

Footing SizeB = 2500 mmD = 2500 mm

Assume depth of footingDf = 800 mmclear cover = 50 mmBar dia. = 20 mmdfx = 740 mm dfy

Projection X = 1060 mm Projection Y

Ultimate pressu= 750 kN/m2Vu = 4194 kNMx about y = 421.35 kN.m / m My about xAst = 1344 mm2 %pt 0.181689checking depth of footing

FOR FLEXURAL @ face of column

Grade of concre= 35 MPa Grade of steel = 500 MPa

dreq.x = 301 mm OK dreq.y

FOR TWO WAY SHEAR (PUNCHING SHEAR) @ df/2 from face of column

beta = 0.4935065

ks = 0.5+beta

ks = 0.99

ks = 0.99

shear stress for = ks*0.25*(fck)^(1/2)

7c = 1.47 MPa

Punching area = 3.8924 m2 Punching area

7v = 0.33 MPa OK 7v

FOR ONE WAY SHEAR @ df from face of column

Vu = 600 kN Vu

7v = 0.32 MPa 7v

7c = 0.32 MPa REVISE 7c

= 720 mm

= 865 mm

= 280.5844 kN.m / m

= 246 mm OK

= 3.7296 m2

= 0.37 MPa OK

= 271.875 kN

= 0.15 MPa

= 0.32 MPa OK

beta = 22.36713

beta = 22.36713

7c = 0.32