Q. If fbt and fc are the co-existent bending tensile stress and shear stress in a member, the equivalent stress fc is (Solved)
1. fbt² + fc²)
2. fbt² + ½fc²)
3. fbt² + 3fc²)
4. fbt² - 3fc²)
- c. fbt² + 3fc²)
1. fbt² + fc²)
2. fbt² + ½fc²)
3. fbt² + 3fc²)
4. fbt² - 3fc²)