# | مجال البحث |
| 1 | Rc. box girder |
| 2 | Structural Engineering |
| 3 | Tosion on Rc. beams |
| 4 | Gradually raried follow |
| 5 | torsion on Rc. beams |
| 6 | Strengtheng and repair of box girders |
| 7 | External pretressing technique |
| 8 | Fiber Rienforced pohymer (FRP) |
| 9 | prediction of torsional moment on Box. girder |