Detail
Standard Penetration Test Apparatus，Motor Operated Dynamic Penetrometer
Description:
Using the hammering function, a cone probe of a certain specification is driven into the soil, and changes in the soil layer are determined based on the impedance of the penetration into the soil. The soil layer is mechanically layered, and the physical and mechanical properties of the soil layer are determined. An engineering geological evaluation of the foundation soil is made.
Dynamic penetration test is applicable to strongly weathered and completely weathered hard rocks, various soft rocks, and various types of soil; Dynamic penetration testing is divided into three categories: light, heavy, and ultra heavy. Soil Testing Machine
Specification:
| Probe diameter (mm) | 74 |
| Probe cross-sectional area (cm2) | 43 |
| Cone angle (o) | 60 |
| Drop weight (kg) | 63.5 ± 0.5 |
| Drop distance (cm) | 76 ± 2 |
| Energy index η d | 15-30 |
| Probe rod diameter (mm) | 40 |
| Hammering rate (min) | 15-30 |
| Large penetration depth (m) | 8-12 |
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