Estimation of Minimum Torsional Reinforcement of Reinforced Concrete and Steel Fiber-Reinforced Concrete Members

Table 4

Application of the proposed minimum fiber factor to SFRC.

Specimen names	Total torsional reinforcement, (%)	(%)	Effective volume fraction,	Required minimum fiber factor,	Designed minimum fiber factor,	Steel fiber used in design
						(%)	(mm)	(mm)
MT30-0.77	0.774	0.27	0.38	1.85	1.85	3.08	30	0.5	1.0
MT30-1.32	1.322	-0.15	0.38	-1.06	0.00	0.00	30	0.5	1.0
MT40-1.32	1.322	0.05	0.38	0.31	0.31	0.51	30	0.5	1.0
MT40-1.89	1.887	-0.71	0.38	-4.35	0.00	0.00	30	0.5	1.0
MTF25-0.77	0.774	0.17	0.38	1.30	1.30	2.17	30	0.5	1.0
MTF25-N	0.434	0.66	0.38	5.07	5.07	8.45	30	0.5	1.0