Dynamic concrete strain gauges measure axial strain in the concrete under high frequency (dynamic) conditions. Utilizing four active elements of a Wheatstone bridge circuit, this concrete strain gauge compensates for temperature, rejects bending strain (may also be configured to measure bending and reject axial strains), compensates for lead resistance, and provides a sensor that is easily adaptable to most data acquisition systems without requiring additional signal conditioning. Owing to their low profile design, these sensors can be used in concrete pavements, columns, walls, bridge elements or wherever dynamic strains need to be measured. Each sensor is provided with end washers and nuts and is individually calibrated and supplied with fabrication quality-control documentation.
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