Table 12 Physical and mechanical properties of concrete with a polymer additive structured by carbon nanotubes
From: Research of Nano-modified Plain Cement Concrete Mixtures and Cement-Based Concrete
No. | Additive content, % | Normal density, mass. % | Setting time, h.-min | Compressive strength,MPa, time, days | |||
|---|---|---|---|---|---|---|---|
Beginning | End | 1 | 3 | 28 | |||
1 | 0 | 27.0 | 0–40 | 1–35 | 18.4 | 28.3 | 51.1 |
2 | 0.1 | 27.0 | 0–30 | 1–40 | 23.0 | 36.2 | 53.1 |
3 | 0.5 | 26.5 | 0–15 | 1–20 | 23.7 | 32.8 | 60.8 |
4 | 1.0 | 26.4 | 0–10 | 0–40 | 21.2 | 30.4 | 62.9 |
5 | 1.5 | 26.5 | 0–10 | 0–40 | 24.8 | 36.2 | 51.6 |