Numerical Evaluation of the Opening Effects on the Reinforced Concrete Slab Structural Performance

Table 3

Results of the experiment [33].

Spec. number	Ultimate				Max. disp. (mm)	Max. disp. ratio	Initial stiffness (kN/mm)	Initial stiffness ratio	Energy dissipation (kN·mm)	Energy dissipation ratio	Max. strain (mV)
	Load (kN)	Load ratio	Disp. (mm)	Disp. ratio
1	193.03	1.00	37.47	1.00	37.99	1.00	60.43	1.00	4595.87	1.00	—
2	161.18	1.63	35.41	1.96	45.66	1.16	95.49	8.23	4466.50	2.11	6554
3	186.08	1.48	40.17	1.50	49.82	1.49	152.38	11.41	5685.90	2.38	5001
4	157.71	2.05	32.26	1.42	40.09	0.91	78.16	8.65	3664.40	2.68	5245
5	173.31	1.83	36.52	0.88	45.81	1.01	49.33	4.86	4574.20	2.22	4965
6	197.42	1.46	42.13	1.19	52.88	1.22	61.95	5.06	7155.30	1.95	5136
7	219.36	1.27	43.67	1.15	55.57	1.16	69.15	3.69	7293.00	1.77	4332
8	190.86	1.65	51.06	1.11	62.63	1.19	48.84	4.10	7326.20	2.45	4513
9	201.84	1.45	39.93	1.19	42.61	0.98	55.54	3.21	5071.80	1.30	3546