Q. In a built up beam actual bending compressive stress fbc is given by (when y1 isthe distance of the edge 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