Q. In a built up beam actual bending compressive stress fbc is given by (when y1 is the distance of theedge of the beam from the neutral axis). (Solved)
1. fbc = (m/ixx) × y
2. fbc = (ixx/m) × y
3. fbc = (ixx/m) + y
4. fbc = (m/ixx) + y
- a. fbc = (m/ixx) × y