Gravity Load Collapse Behavior of Nonengineered Reinforced Concrete Columns

Table 2

Properties of column specimens.

Group	Specimen designation	Ultimate strength concrete (MPa)	Axial load (kN)	Longitudinal reinforcing ratio (%)	Main rebar	Dimensions (mm)	Transverse reinforcement ratio (%)	Ties (@mm)
Group 1	12L-0.2	4.8	58.86	0.75	4-DB12	200 x 300	0.07	RB6@300
	12L-0.6	3.8	176.58	0.75	4-DB12	200 x 300	0.07	RB6@300
Group 2	9L-0.2	5.4	58.86	0.31	4-RB9	200 x 300	0.07	RB6@300
	9L-0.6	5.0	176.58	0.31	4-RB9	200 x 300	0.07	RB6@300