4 Arm Geotechnical Bored Pile Caliper And Inclination Tester
System composition
GDZ-4s control case |
caliper/inclinometer measuring probe |
sediment/inclinometer measuring probe |
automatic cabling winch |
Caliper calibrator |
Product Parameters
1. Hole measuring range: Ф500mm~Ф1600mm
2. Hole measuring bias: ≤±5mm
3. Verticality measurement
Measuring range: 0°~10°
Resolution: 0.01°
Measuring bias: ≤±0.1°
4. Sediment thickness measurement
Diameter of probe underground: Ф40mm
Interval between electrodes: 20mm±0.5mm
Specific resistance measuring bias: ≤5%
5. Winch
Length of cable: 100m (as customer's need)
Pulling strength of cable: ≥0.35t(tear-out strength 0.65t)
Cabling speed: 10m/min
Depth indication bias: ≤1‰
Weight of winch: 50kg
Motor power: 550W
Dimension(L×W×H): 600mm×450mm×350mm,600mm height by hand
Control mode: Two direction switch
Cabling mode: It has automatic cabling function and hand cranking function.
6. Working temperature
Measuring probe: 0ºC~50ºC
Units on the ground: -10ºC~45ºC
7. Relative humidity: <85%
8. Power supply: AC(220V±10%),50Hz
Well logging examples
1.Well diameter example:
The well is 37 meters deep, with a designed aperture of 1200m and an average measured value of 1200mm. There is a small expansion at 22m-23m and a larger expansion at 26m-27m, with the maximum reaching 1478mm.
2.Inclinometer Example:
The depth of this measurement is 35.27 meters, and a point is measured every 5 meters (a point can be measured every 4/3/2/1 meters, depending on the actual situation and needs). The composite angle is the top angle of the probe tube. From the reading, it does not exceed 0.05 degrees. The smaller the composite angle, the more vertical the hole is. The eccentricity is accumulated step by step, and each data is accumulated on the basis of the previous data. The verticality is within 0.05%. The smaller the verticality, the more vertical the hole is (generally required to be within 1%). After the measurement, the composite angle, eccentricity and verticality of the last set of data are taken as the standard.
3.Sediment thickness:
The depth of this measurement is 35.27 meters, and a point is measured every 5 meters (a point can be measured every 4/3/2/1 meters, depending on the actual situation and needs). The composite angle is the top angle of the probe tube. From the reading, it does not exceed 0.05 degrees. The smaller the composite angle, the more vertical the hole is. The eccentricity is accumulated step by step, and each data is accumulated on the basis of the previous data. The verticality is within 0.05%. The smaller the verticality, the more vertical the hole is (generally required to be within 1%). After the measurement, the composite angle, eccentricity and verticality of the last set of data are taken as the standard.