Experimental Investigation on Flexural Behavior of Reinforced Ultra High Performance Concrete Low-Profile T-Beams

International Journal of Concrete Structures and Materials

Table 6 Summary of flexural test results for reinforced UHPC low-profile T-shape beams.

Beam	Cracking state		Yielding state		Ultimate state		Ductility index		Failure mode
Beam	Δ_cr (mm)	P_cr (kN)	Δ_y (mm)	P_y (kN)	Δ_u (mm)	P_u (kN)	Δ_u/Δ_y	Δ_u/Δ_cr	Failure mode
B-S65-16	3.47	40.4	20.98	114.6	40.79	124.8	1.94	11.76	Flexure^a,b
B-S65-20	2.66	37.8	22.80	183.5	29.04	193.8	1.27	10.94	Flexure^a,b
B-S81-20	2.75	39.8	21.86	175.7	35.72	201.4	1.63	12.99	Flexure^a,b
B-S83-20	2.79	41.2	23.04	181.9	30.51	194.1	1.32	10.94	Flexure^a,b
B-H65-20	2.37	40.3	29.82	248.4	41.98	253.3	1.41	17.67	Flexure^a,b

Δ_cr = deflection at first cracking load, P_cr = first cracking load, Δ_y = deflection at longitudinal steel rebars yielding, P_y = load at longitudinal steel rebars yielding, Δ_u = ultimate deflection and P_u = ultimate load.
^aYielding of steel rebars.
^bLarge opening of flexural crack.