Research Article
Behavior and Control of the Ballastless Track-Subgrade Vibration Induced by High-Speed Trains Moving on the Subgrade Bed with Mud Pumping
Table 2
The major mechanical properties of the cured LVER.
| | Test item | Required performance indicators | Detection value |
| | Tensile strength (MPa) | ≥6 (2 h) | 8 | | ≥10 (24 h) | 13 | | ≥15 (7 d) | 18 | | Compressive strength (MPa) | ≥15 (2 h) | 19 | | ≥20 (24 h) | 28 | | ≥30 (7 d) | 39 | | Elongation at break (%) | ≥2 (7 d) | 4.6 | | Shrinkage ratio (%) | ≤2 (7 d) | 1.2 | | Adhesive strength (MPa) | ≥3 (7 d) | 5.3 |
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