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Equipment tagged with [stress cells]

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Biaxial Stressmeters-Model 4350
<p>The Model 4350 Vibrating Wire Biaxial Stressmeter is designed to measure compressive stress changes in rock, salt, concrete or ice. Three or six Vibrating Wire sensors oriented at 60° intervals allow the principal stress changes to be measured in the plane ...
Borehole Pressure Cells
<p>Borehole Pressure Cells have a long term track record of stress monitoring in both elastic and viscoelastic rock</p>
Borehole Pressure Cells-Model 3200
<p>The standard Borehole Pressure Cell (BPC) is used to measure rock stress changes and is designed to be grouted inside a borehole. The BPC is manufactured from two steel plates welded together around their periphery. The plates are deformed into a “dog bone” ...
Hydraulic pressure cells L111, PK45H, P252A, TUNY
<p>Hydraulic pressure cells are designed to measure stress in mass concrete or placed at the interface between the structure and the wall of excavation.<br><br>The pressure pad consists of two steel plates welded together around their periphery and spaced ...
NATM Style Shotcrete Stress-Model 4850
<p>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 ...
Soft Inclusion Stress Cells-Model 4360
<p>The Model 4360 Vibrating Wire Soft Inclusion Stress Cells (SISC) are larger versions of the Model 4300 Borehole Stressmeters. The SISC is pre-loaded by wedging it into a large size diamond drill hole using an integral screw mechanism or hydraulic piston ...
Strain Gauge Load Cell
<p>Strain Gauge Load Cells measure compressive and tensile loads in rock bolts, cable anchors and tendons. They consist of a Stainless Steel cylindrical housing with up to 16 resistance strain gauges in a Wheatstone Bridge configuration. When the cell is subjected ...
TPC Total Pressure Cell
<p>The TPC cells consist of a sealed distribution pad, composed of two plates welded together around the periphery and filled with de-aired oil. The pad is connected via a length of steel tube to a pressure transducer. Variation in oil pressure resulting from ...
Vibrating Wire Concrete Stress Cell
<p>The cell consists of a rectangular flat jack formed from two plates of steel welded together around the periphery. The narrow gap between the plates is filled with hydraulic oil. A Vibrating Wire Pressure Transducer is connected to the cell by a short length ...
VIBRATING WIRE NATM STRESS CELL
<p>RST Vibrating Wire NATM Stress Cells are designed to measure stresses in concrete (shotcrete) linings in tunnels and other underground workings. They feature a higher stiffness than Earth Pressure Cells, and are therefore more suitable for stress measurement ...