Using 2 legged vertical stirrups of 6 mm diameter mild steel (Fe 250), calculate the spacing of stirrups (working stress method) to resist the shear force of 70 KN for the beam size of 300 mm × 1000 mm (effective). Take 140 MPa shear stress.
1
175 mm
2
117 mm
3
300 mm
4
250 mm