
Figure 1.
The membership function of fcm for considerate concrete class C16/20 and neighboring classes C12/15 and C20/25

Figure 2.
Block scheme - simulation of the risk output variable (scheme developed based on [7])
Table 1.
Risk values estimated for different types of copulas and different sample sizes
| Type of cupola | Number of random groups N | Value of risk |
|---|---|---|
| Gaussa | 1000 | 5.70 |
| 100000 | 5.57 | |
| Claytona | 1000 | 5.91 |
| 100000 | 5.85 |
