Table 4 Results of impact test for each group.
From: Impact behavior of recycled aggregate concrete modified with nano-silica and fiber
Concrete group | Strain rates / s− 1 | Dynamic strength/MPa | Quasi-static strength/MPa | DIF |
|---|---|---|---|---|
R100 | 19.56 | 40.8 | 30.2 | 2.1 |
46.00 | 58.2 | 3.0 | ||
53.94 | 90.6 | 4.6 | ||
N1R100 | 19.17 | 44.7 | 34.8 | 2.1 |
37.14 | 70.5 | 3.3 | ||
47.16 | 95.8 | 4.5 | ||
N2R100 | 25.27 | 60.5 | 35.0 | 2.4 |
34.05 | 72.2 | 2.8 | ||
46.05 | 98.2 | 3.9 | ||
N2R100S0P0.2 | 27.81 | 48.4 | 42.5 | 2.0 |
51.04 | 78.0 | 3.2 | ||
56.92 | 94.4 | 3.8 | ||
N2R100S1P0.2 | 81.36 | 127.5 | 44.6 | 2.8 |
85.82 | 159.2 | 3.5 | ||
91.50 | 191.7 | 4.2 | ||
N2R100S2P0 | 69.00 | 125.1 | 48.0 | 2.5 |
72.49 | 161.5 | 3.2 | ||
107.81 | 172.6 | 3.4 | ||
N2R100S2P0.1 | 74.89 | 122.7 | 35.2 | 3.4 |
79.00 | 140.4 | 3.8 | ||
111.85 | 158.5 | 4.3 | ||
N2R100S2P0.2 | 70.51 | 129.9 | 34.1 | 4.8 |
85.93 | 148.5 | 5.5 | ||
115.07 | 185.7 | 6.9 |
