Q. If d is the distance between the flange angles, (Solved)
1. vertical stiffeners are provided in steel plate girders if the web is less than d/85
2. vertical stiffeners are provided in high tensile steel plate girders if the web is less than d/175
3. horizontal stiffeners are provided in steel plate girders if the web is less than d/200
4. all the above
- d. all the above