Trapezoidal footing length = 2m , B=1.7m D=0.5m and d-
0.15m. Can anybody help and calculate quantity of concrete
by explaining all formulas involved.

Answer Posted / naresh

u can calculate easily
suppose in trapezoidal footing we always find d &D
D - l * b * h
d- bottom l & b
top l& b after than calculate center of top & bottom
lets define l = 2m b =2m bottom
l = 1m b = 1m top then centre of both 1.5 × 1.5 multiply by half d .

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