Fig. 1.

Fig. 2.

Fig. 3.

Fig. 4.

Experimental matrix containing independent variables (own research)
| Specimen No. | Independent variables | |||
|---|---|---|---|---|
| Conventional scale | Natural scale | |||
| X1 | X2 | X1 [BM] [%] | X2 [ABS] [%] | |
| CS | ||||
| BM20ABS5 | −1 | −1 | 10 | 5 |
| BM20ABS5 | 0 | −1 | 20 | 5 |
| BM20ABS5 | 1 | −1 | 30 | 5 |
| BM20ABS10 | −1 | 0 | 10 | 10 |
| BM20ABS10 | 0 | 0 | 20 | 10 |
| BM20ABS10 | 1 | 0 | 30 | 10 |
| BM20ABS15 | −1 | 1 | 10 | 15 |
| BM20ABS15 | 0 | 1 | 20 | 15 |
| BM20ABS15 | 1 | 1 | 30 | 15 |
Mix designs: modification of aerated concrete with the use of additives in the form of ABS regranulate and basalt powder/flour (BAZ) (own research)
| Sample | Composition of concrete mixtures [1 dm3] | |||||
|---|---|---|---|---|---|---|
| ABS [g] | BAZ [g] | Sand [g] | Binder [g] | Water [g] | ||
| Control sample | 0 | 0 | 1575 | 470 | 250 | |
| 5 | 10 | 75.6 | 151.2 | 1285.2 | 451.2 | 240 |
| 5 | 20 | 76.4 | 305.6 | 1145.8 | 455.9 | 242.5 |
| 5 | 30 | 77.2 | 463.1 | 1003.3 | 460.6 | 245.0 |
| 10 | 10 | 144.9 | 144.9 | 1159.2 | 432.4 | 230.0 |
| 10 | 20 | 146.5 | 293.0 | 1025.3 | 437.1 | 232.5 |
| 10 | 30 | 148.1 | 444.2 | 888.3 | 441.8 | 235.0 |
| 15 | 10 | 210.3 | 140.2 | 1051.3 | 418.3 | 222.5 |
| 15 | 20 | 210.3 | 280.4 | 911.1 | 418.3 | 222.5 |
| 15 | 30 | 212.6 | 425.3 | 779.6 | 423.0 | 225.0 |