Pile Foundation Hole Caliper Inclination Sediment Logging
Pile Foundation Hole Caliper Inclination Sediment Logging
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Basic Information
| Model | Diameter (mm) | Length (mm) | Weight (kg) | Pressure Resistance (MPa) | Operating Temperature (°C) |
| PSZJ-1 | Φ76 | 2460 | 18.9 | 5 | 0~85 |
| PSZJ-2 | φ76 | 3000 | 22.0 | 5 | 0~85 |
Description
This tool adopts an integrated probe structure. Driven by a motor-driven system, it can simultaneously measure borehole diameter, hole inclination and sediment (cuttings/residual mud) during a single run.
The three-arm (diamond four-arm) caliper arms extend to contact the borehole wall, a high-precision inclinometer measures the hole trajectory, and an acoustic/sonic sensor detects the sediment thickness at the borehole bottom. After signal conditioning and encoding, the data is transmitted to the surface logging system to complete the measurement.
It is mainly used for quality inspection of foundation pile boreholes in construction, bridge and geotechnical engineering.
Specification
| Parameter Name | Range | Accuracy / Sensitivity |
| Caliper (borehole diameter) | 100~1600 mm | ≤±10 |
| Hole inclination | 0~3° | ≤±0.2 |
| Sediment (ms) | 0~500 ms | ≤±20 |
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