Geosense Embed VW Strain Gauge

Geosense - Embed VW Strain Gauge

Embed VW Strain Gauge

Vibrating Wire Strain Gauge - Embedment

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Strain gauges offer the ability to measure the effect of loads, settlement or other changes in a structure. They record strain, which is a dimensionless measure of deformation. Stress is related to strain by a material’s properties and is predictable within a certain range of applied strain.

Strain gauges are useful for determining the effects of applied loads to a structure, such as the loading of post tension cables or removal of temporary supports. Piles of driven, cast or pre cast construction can also benefit from strain measurement as with sufficient strain gauges information such as the depth at which the load is transferred to the soil and the percentage of the load born as end bearing can be determined.

Geosense® VWS-2100 series vibrating wire [VW] embedment strain gauges are designed for direct embedment in concrete.

Features

Reliable long term performance
Rugged, suitable for demanding environments
High accuracy
Insensitive to long cable lengths
Totally waterproof
Direct embedment in concrete
Auto resonant units available

Applications

Measurement of stress and strain deformation in:

Driven and bored piles
Tunnels and deep excavations
Mass concrete pours
Pre-cast piles
Concrete dams
Retaining walls
Dynamic measurements w. auto resonant version
Building foundations

Specifications

VWS-2100 vibrating wire strain gauges may be read by the VW-2106 or any vibrating wire readout device and may be readily connected using any datalogger with vibrating wire interface modules.
Vibrating wire strain gauges output a frequency signal and are therefore insensitive to resistance changes in connecting cables caused by contact resistance or leakage to ground.
Cable may be readily and simply extended on site without special precautions. Gauges may be read up to 1000 metres away from their installed location without change in calibration.
VWS-2100 strain gauges are fully waterproof all stainless steel construction with coils encapsulated with epoxy resin. The protective tube assembly is totally sealed to the embedment flanges by laser welding, eliminating any possibility of seal degradation. During the testing and stressing procedures welds are fully checked by tensile testing carried out in excess of the elastic limit of the protective tube assembly.
Strain gauge rosettes and zero strain containers are available for VWS-2100 gauge series. VWS-2125 can be used within mass concrete with coarse aggregates as heavy duty construction resists bending and the large end flanges provide a high contact area.

To contact PCTE - Construction about Geosense Embed VW Strain Gauge use Get a quote.