DESIGN OF FOUNDATION:1.0 Footing Data

Unit Weight of Concrete 25.00 kN/m3Grade of Concrete 30.00 N/mm2Net SBC SBCnet 200 kN/m

2

Increament factor for BC fbc 1.00Concrete cover 75.00 mmDepth of foundation below ground level ,dfgl 0.95 mPedestal height above Ground level 0.50 mTenion load 6.40 kNUnit Weight of soil s 18.00 kN/m3

Angle of internal friction 30 degreeCoeffcient of friction 0.50FOS against Overturning 2.00FOS against sliding 1.5

X-Dirn Z-Dirn Y-DirnPedestal Size(mm) 350 450 50Footing Size(mm) 1000 1000 900Eccentricity,e(mm) 0 0 0

Load acting at(Top of Pedestal/Bottom of Footing):

D.L+W.L 2.769 2.753 0.2 0 2.355

Gross SBC = fbc x SBCnet + s x dfgl = = 217 kN/m2

2.0 Vertical load acting at bottom of foundation

Axial Load Py = 2.77 kN

Load case/Node

number

Axial Load, Py(kN) Shear, Fx(kN)

Shear, Fz(kN)

Moment, Mx(kNm)

Moment, Mz(kNm)

Weight of Pedestal Wp Lp x Bp x (Hp) x 25 = 0.20 kNArea of foundation ( Provided ) A L * B = 1.00 m2Load due to soil Ws s*(dfgl - D)*(A - (Lp x Bp)) = 0.76 kNWeight of footing Wf A*D*25 = 22.50 kN

Total Vertical Load Pv Py+Wp+Ws+Wf+Wgs+Wll = 26.22 kN

3.0 Moment acting at bottom of foundation(about x-axis)

Moment Mx = 0 kNmMoment due to lateral force Mlfx Fz * dforc = 0.19 kNmMoment due to eccentricity (ez) Mecc (Py+Wp)*ez = 0.00 kNm

Moment acting at bottom of foundation Mxx Mx+Mlfx+Mecc = 0.19 kNm

Eccentricity along Z-Direction from cg of Footing, ez' Mxx/Pv = 0.007 m