Intelligent Falling-Weight Elastic Modulus Tester
Per JTG 3450-2019 and T 0948-2019; for highway and railway subgrade and beam-soil layers. Falling weight 19.1+/-1.3 kg; handle 1.25+/-0.04 kg; steel ball dia. 50 mm; built-in Li-battery, Bluetooth, on-site printing; auto storage and GPS positioning; wireless range 100 m; sampling interval 1 s; resolution 1 m/s2; stores 200 sets.
| Parameter | Specification |
|---|---|
| Standard | DIN 18134 / JTG 3450 (EVD) |
| Load plate | φ300 mm × 20 mm, mass 15 kg |
| Drop hammer | 10 kg |
| Drop height | 700 ± 20 mm |
| Impact force | 7.07 kN |
| Impact time | 18 ± 1 ms |
| Modulus range | Evd 2-220 MPa |