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. 2020 Aug 15;6(8):e04700. doi: 10.1016/j.heliyon.2020.e04700

Table 3.

Experimental design matrix for the factorial design and responses for the blended concrete.

Std Run Factor 1
 Factor 2
 Factor 3
 Factor 4
 Factor 5
 Factor 6
 Response 1
 Response 2
A: Fine aggregates
 B: Coarse aggregates
 C: % Of PET
 D: Days
 E: Water
 F: Cement
 Compressive strength
 Flexural strength
Kg Kg % Days Kg N/mm2 N/mm2
1 9.875 18.330 0 28 3.276 6.427 37.70 3.90
2 9.875 18.242 10 28 3.276 6.427 28.36 3.44
3 9.298 17.254 0 3 3.276 6.427 23.0 2.25
4 9.298 17.254 15 28 3.276 6.427 27.98 2.91
5 9.643 17.254 15 3 3.276 6.427 25.71 2.89
6 9.565 18.330 0 7 3.276 6.427 25.30 3.00
7 9.553 17.254 0 28 3.276 6.427 33.70 3.60
8 9.383 17.804 5 3 3.276 6.427 27.90 2.60
9 9.875 17.552 5 7 3.276 6.427 28.30 2.40
10 9.298 18.330 15 3 3.276 6.427 22.8 2.30
11 9.298 17.287 15 7 3.276 6.427 28.3 2.50
12 9.569 17.789 5 28 3.276 6.427 33.4 3.60
13 9.565 18.330 10 7 3.276 6.427 29.70 3.10
14 9.298 18.330 0 28 3.276 6.427 31.0 3.60
15 9.875 17.254 15 28 3.276 6.427 24.0 2.53
16 9.875 18.330 10 3 3.276 6.427 21.0 2.18
17 9.298 17.254 0 3 3.276 6.427 23.0 2.40
18 9.875 17.254 5 14 3.276 6.427 29.2 2.50
19 9.298 18.330 10 14 3.276 6.427 28.5 2.43
20 9.875 17.552 0 3 3.276 6.427 26.70 2.85
21 9.875 17.000 15 14 3.276 6.427 32.0 2.5
22 9.298 17.657 0 14 3.276 6.427 29.0 3.00
23 9.554 18.330 15 28 3.276 6.427 34.0 3.10
24 9.298 18.330 15 3 3.276 6.427 23.7 2.30
25 9.875 18.330 10 3 3.276 6.427 21.0 2.20