The lever arm in a singly reinforced beam is equal to:
Where d = distance between the top of beam and centre of steel bars and x = depth of neutral axis below from the top of the beam
1
d - x
2
2d - x/3
3
d - x/3
4
4d - x/3
The lever arm in a singly reinforced beam is equal to:
Where d = distance between the top of beam and centre of steel bars and x = depth of neutral axis below from the top of the beam