Slope Indicator spot weldable strain gauge is used along with strain gauge sensors
&data logger or an energetic wire indicator to find out strains in steel member. A usual application of Strain Gauge does include:
1Strain Gauge monitors structural members of bridges and buildings in the course of and after completion of construction.
2Strain Gauge helps in finding out load changes in the ground anchors and other post tensioned support systems.
3Strain Gauge monitor loads in strutting system for deep excavations.
4Strain Gauge helps in measuring problems in tunnel linings as well as supports.
5Strain Gauge helps in monitoring areas of focused stress in pipelines.
6Strain Gauge helps in monitoring distribution of loads in pile test.
Operation of Strain Gauge
The strain gauge with the tensioned wire inside is fused to the structural members, so that arise in tensile strain leads to increase in tension in wire and a decline in tensile strain reduces tension in wire. Strain gauge radar is fixed on topmost of the strain gauges.
On flat surfaces; the Strain gauge sensor is normally detained in place by a weld down straps. On strengthening and tieback bars; the Strain gauge sensor is normally secured by cable ties and tape.
The strain gauge radar uses an electromagnet to pluck the gauge and then it returns a frequency sign to the read out or data logger; where it is transformed to units of micro strain or period. The strain gauge radar also integrates a temperature sensor; which sends out records for temperature compensation.
Advantages of Strain Gauge
Very Low Profile -The pulsating wire element is placed only .96 mm (.038 inch) above the identified and measured member. This patented, low profile design decreases errors triggered by the bending of structural member.
Pre Tensioned Wire -Slope Indicators weldable strain gauge is delivered pre tensioned, set for spot welding. Pre tensioned strain gauges eliminate the time consuming process of tensioning pulsating wire element in the ground. Strain gauges can be well-ordered in 3 tension varieties to match practically any application.
Full Length Welding Flange -The full length weldable flange allows reliable and steady coupling of the strain gauge to a structural member and thus avoids misalignment of any end points of a strain gauge, a very common issue with is found in other strain gauges.
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