Portfolio Category: Pressure Cells

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Pile Tip Pressure Cell (VW)

Pile Tip Pressure Cell (VW)
The Model 4855 Pile Tip Pressure Cell is used to measure pile-tip loads in cast-in-place concrete piles (caissons). Like the Model 4810, the Pile Tip Pressure Cell has a thick upper plate. The cell is manufactured to be close to the diameter of the pile and the back plate is supplied with hooks or sections of rebar…
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NATM Style Shotcrete Stress (VW)

NATM Style Shotcrete Stress (VW)
The Model 4850 NATM Style Shotcrete Stress Cells are designed for the measurement of tangential (4850-1) and radial (4850-2) stresses in shotcrete tunnel linings. The cells consist of two rectangular steel plates welded together around the periphery with a de-aired fluid occupying the space between the plates. A short tube connects the cell to a…
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Jackout Pressure (VW)

Jackout Pressure (VW)
The Model 4820 Jackout Pressure Cells are used to measure earth pressures on slurry walls. They are designed to fit inside a plate which is pressed against the side of a slurry wall excavation using a hydraulic jack arrangement. This method of installation ensures that the jackout cell is located with its sensitive face in…
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“Fat Back” Pressure (Semiconductor, VW)

“Fat Back” Pressure (Semiconductor, VW)
The Model 4810 “Fat Back” Pressure Cell is intended to measure contact earth pressures on the surface of concrete or steel structures. The cell has an extra thick backplate to minimize any point loading effects. ‘Ears’ on the cell assist in holding the cell to concrete forms or to retaining walls during installation.* Specifications Standard…
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