Research Article
Contact Resistance between Calcareous Sand and Electrodes Based on the Two-Electrode Method
Table 2
Contact resistance test scheme with an electrode spacing of 5 cm (1-1.5 mm).
| Particle size (mm) | Relative density | Saturation (%) | Mass of calcareous sand (g) | Water content (%) |
| 1-1.5 | 0.3 | 20 | 180.52 | 9.3 | 40 | 18.6 | 60 | 28.0 | 80 | 37.3 | 100 | 46.6 | 0.6 | 20 | 189.33 | 8.5 | 40 | 17.1 | 60 | 25.6 | 80 | 34.2 | 100 | 42.7 | 0.9 | 20 | 199.04 | 7.8 | 40 | 15.5 | 60 | 23.3 | 80 | 31.1 | 100 | 38.9 |
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