Seismic Behaviour of Exterior Reinforced Concrete Beam-Column Joints in High Performance Concrete Using Metakaolin and Partial Replacement with Quarry Dust

Table 4

Displacement ductility factor.

Sl. number	Specimen ID	Displacement
		Yield Δ𝑦 (mm)	Ultimate Δ𝑢 (mm)	Ductility factor μΔ
1	O1	17.0	40	2.35
2	O2	16.0	39	2.43
3	SS1	15.0	45	3.00
4	SS2	14.5	45	3.10
5	E11	13.0	45	3.46
6	E12	12.0	45	3.75
7	E21	11.0	42	3.81
8	E22	11.5	43	3.64
9	E31	12.5	44	3.26
10	E32	13.5	42	3.34