Behaviour of Precast Column Foundation Connection under Reverse Cyclic Loading

Table 5

Displacement ductility and ductility factor of all specimens.

Specimen	Yield displacement (Δy) (mm)		Ultimate displacement (Δu) (mm)		Displacement ductility factor; μ = Δu/Δy		Average ductility factor (μ)
	Positive	Negative	Positive	Negative	Positive	Negative
Monolithic	28.91	21.28	39.35	35.94	1.36	1.69	1.524
PCBJ	22.75	21.75	41.04	40.56	1.80	1.86	1.834
PC I	8.04	10.77	40.00	39.19	5.02	3.64	4.333
PC II	15.57	11.6	40.00	39.89	2.57	3.44	3.003
GS	23.2	20.00	40.03	40.00	1.73	2.0	1.862