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Equipment tagged with [stress cells]
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<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 ...
Filed under:
Monitoring -
Stress - Pressure
<p>The Model 5000 Borehole Deformation Gage is the proven USBM-style gage used to measure in situ rock stresses using the overcoring technique in rock that is competent and elastic. The measurement of in situ stresses is important in the design of underground ...
Filed under:
Monitoring -
Stress - Pressure
<p>Borehole Pressure Cells have a long term track record of stress monitoring in both elastic and viscoelastic rock</p>
Filed under:
Monitoring -
Stress - Pressure
<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” ...
Filed under:
Monitoring -
Stress - Pressure
<p>The Model 4300 Vibrating Wire Borehole Stressmeters are designed to measure stress changes in rock and can be installed in boreholes up to 100 feet deep. The Stressmeter consists of a high strength steel proving ring wedged tightly across one diameter inside ...
Filed under:
Monitoring -
Stress - Pressure
<p>The Model 4370 Concrete Stressmeter comprises a short vibrating wire load cell in series with a longer cylinder of concrete. This concrete cylinder has the same properties as the surrounding concrete but is de-bonded from it by means of a smooth-walled, ...
Filed under:
Monitoring -
Stress - Pressure
<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 ...
Filed under:
Monitoring -
Stress - Pressure
<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 ...
Filed under:
Monitoring -
Stress - Pressure
<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 ...
Filed under:
Monitoring -
Stress - Pressure
<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 ...
Filed under:
Monitoring -
Stress - Pressure