Flexural Ductility, Stiffness, and Toughness of New Voided Reinforced Concrete One-Way Slab Using Waste Plastic Bottles

Table 3

Test results of the slabs (solid and voided).

	ST100SO	ST130SO	ST130VO	ST140VO	ST150VO
P cr	12.65	14.2	13	30	33
∆cr	0.2	0.35	1.1	0.9	1.1
P y	37.8	46.5	33	39	40
∆y	4.85	4.2	2.25	2.2	1.5
P u	42.36	51.38	51.56	55.3	57.15
∆u	8.39	5.52	7.44	5.75	4.10