Self-Monitoring of Reinforced Concrete Beam Bending with Carbon Nanofiber Polyurethane Composite

Table 12

Beam L₀～L₆ ductility index.

Beam number	Yield deflection Δy/mm	Limit deflection Δu/mm	Ductility index Δu/Δy
L0	8.13	28.32	3.48
L1	11.63	20.25	1.74
L2	11.98	29.42	2.46
L3	12.3	26.5	2.15
L4	11.6	19.8	1.71
L5	12.9	19.2	1.49
L6	10.58	21.5	2.03