Strain and temperature measurements in bentonite and polymer concrete piles
Four polymer and four bentonite concrete piles (Ø300 mm, L = 4.5 m) were constructed in a 10 × 5.8 x 5.0 m (LxWxD) field in the NBIF laboratory. To allow pull-out tests, a steel bar (Ø32 mm) was embedded along the entire length. It was instrumented with 2 bonded distributed fibre optic EpsilonSensors for strain sensing and free fibres inside the PE tube to measure temperatures only. The objective of the project was to compare the performance of polymer and bentonite construction technology.
DFOS Sensors Installed: EpsilonSensor
Project challenges
Benefits of using the DFOS monitoring system
Results of using the DFOS monitoring system
Example strain distributions measured by two EpsilonSensors in selected load steps are shown in the graph. It is worth noting that this project was the first to use the QuickView platform to stream, process and visualize DFOS data. This was a significant milestone in the development and automation of DFOS sensing technology.
Example results
Recomendations (optional)
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John Doe
Project partner
