Table 5 Efficiency of the CDCA concrete strength
(MPa) | Capacity, Pu (kN) | Increasing of capacity, + Pu% | Increasing CDCA concrete strength, + fcu% |  + Pu%/ + fcu% |
|---|---|---|---|---|
25 | 689.16 | – | – | – |
40 | 976.86 | 41.75 | 60 | 0.70 |
50 | 1105.07 | 60.35 | 100 | 0.60 |
60 | 1268.25 | 84.03 | 140 | 0.60 |
80 | 1564.49 | 127.01 | 220 | 0.58 |