isolated footing working

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Design the Isolated footing Lc= 0.5 m bc= 0.25 m Pc= 800 L=LC+2x= 2.5 m B=bc+2x= 2.25 m Af=B*L= 5.625 m2 X= 0.968891 m X= 1.00 m q(all)netPc/(2x+bc)(2x+Lc) 150.00 KN/m2 q(act)= 142.22 KN/m2 Find footimg thicness K1= 0.766 K2= 172.3 M=q(act)*(x^2)/2= 71.11111 KN.m/m' d= 0.20 m t= 0.27 m t= 0.40 d(act)= 0.33 m check of one way shear Q(o.w.s.) 118.76 KN q(o.w.s.) 359.87 KN/m2 < 700KN/m2 ok check of punshing Qp= 731.5342 KN Ap= 0.9306 m2 qp= 786.0888 kN/m2 < 900KN/m2 ok reinforcment D= 16 mm As= 1251 /m' n= 7 select 7Ф16 /m'

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Sheet1Design the Isolated footingLc=0.5mbc=0.25mPc=800KNL=LC+2x=2.5mB=bc+2x=2.25mAf=B*L=5.625m2X=0.9688909018mX=1.00mq(all)net=Pc/(2x+bc)(2x+Lc) =150.00KN/m2q(act)=142.22KN/m2Find footimg thicnessK1=0.766K2=172.3M=q(act)*(x^2)/2=71.1111111111KN.m/m'd=0.20mt=0.27mt=0.40md(act)=0.33mcheck of one way shearQ(o.w.s.)=118.76KNq(o.w.s.)=359.87KN/m2