Prediction of Compressive Strength of Concrete Using Artificial Neural Network and Genetic Programming

Table 2

Details of compressive strength of concrete mixes without fly ash after curing for 28, 56, and 91 days.

S. number	Mix; designation	W/CM; ratio	28 d; (MPa)	56 d; (MPa)	91 d; (MPa)
1	MD-1	0.53	36.84	40.92	44.52
2	MD-2	0.50	43.13	50.22	51.97
3	MD-3	0.53	38.58	45.51	47.49
4	MD-4	0.47	47.16	51.25	54.27
5	MD-5	0.49	45.05	50.72	52.85
6	MD-6	0.44	49.63	54.48	58.04
7	MD-7	0.47	47.42	51.34	55.30
8	MD-8	0.42	54.01	57.91	60.15
9	MD-9	0.44	50.05	55.72	58.31
10	MD-10	0.53	37.81	43.50	47.55
11	MD-11	0.50	44.11	50.98	52.56
12	MD-12	0.53	40.90	46.56	51.07
13	MD-13	0.47	47.51	52.92	54.47
14	MD-14	0.49	45.30	51.47	53.09
15	MD-15	0.51	42.54	49.05	51.19
16	MD-16	0.44	52.03	56.26	59.19
17	MD-17	0.47	48.74	53.42	55.03
18	MD-18	0.49	46.59	53.21	53.67
19	MD-19	0.42	54.49	58.65	63.07
20	MD-20	0.44	53.06	56.67	62.57
21	MD-21	0.46	49.18	54.04	57.10
22	MD-22	0.52	40.02	46.92	48.48
23	MD-23	0.49	45.25	50.43	53.09
24	MD-24	0.51	42.68	48.54	49.63
25	MD-25	0.46	48.67	53.48	56.50
26	MD-26	0.48	45.52	50.97	53.63
27	MD-27	0.51	39.52	43.31	46.13
28	MD-28	0.54	31.66	37.18	43.92
29	MD-29	0.48	42.73	48.23	52.23
30	MD-30	0.51	40.69	44.46	46.42
31	MD-31	0.45	47.99	52.95	55.51
32	MD-32	0.48	44.89	51.20	53.85
33	MD-33	0.42	51.25	57.55	59.50
34	MD-34	0.45	49.05	54.14	57.35
35	MD-35	0.42	53.69	57.77	59.89
36	MD-36	0.54	36.64	43.46	46.55
37	MD-37	0.51	41.57	46.81	50.04
38	MD-38	0.48	46.22	52.58	53.07
39	MD-39	0.45	50.35	56.02	58.32
40	MD-40	0.42	54.11	58.52	62.28
41	MD-41	0.53	37.30	43.51	46.63
42	MD-42	0.50	44.04	50.53	52.55
43	MD-43	0.53	39.61	46.09	48.17
44	MD-44	0.47	47.37	51.31	54.77
45	MD-45	0.49	44.69	50.69	52.75
46	MD-46	0.44	50.93	55.71	59.05
47	MD-47	0.47	48.08	52.63	55.61
48	MD-48	0.42	54.14	58.21	61.11
49	MD-49	0.44	51.31	56.37	59.51