Table 4.
Summary of the strain sensitivity analyses conducted on nanocomposite concrete specimens, including Gauge Factors (GFs), and the hysteresis areas of the relative change in electrical resistance versus applied strain curves, considering both quasi-static and sine-sweep dynamic compression loads.
| MWCNTs Content | GF | Hysteresis Area [µε] (Quasi-Static Loading) |
Hysteresis Area [µε] (Sine-Sweep Loading) |
|---|---|---|---|
| 0.00% | 23 | 2.32 × 10−3 | 3.66 × 10−3 |
| 0.25% | 4 | 3.00 × 10−5 | 3.70 × 10−4 |
| 0.50% | 14 | 6.00 × 10−5 | 2.90 × 10−4 |
| 0.75% | 12 | 3.50 × 10−4 | 4.60 × 10−4 |
| 1.00% | 20 | 1.40 × 10−4 | 1.50 × 10−4 |
| 1.50% | 3 | 2.60 × 10−4 | 4.00 × 10−5 |