Abstract
Distributed fiber optic sensing for crack detection in concrete structures. The method of fiber optic strain measurement offers new possibilities in the systematic monitoring of engineering structures. A robust but sufficiently sensitive configuration of measuring device and passive fiber optic cable is desirable for practical application. In this context, a total of five different optical measuring fibers were analyzed at the Chair of Solid Construction at the Technical University of Munich (TUM) for different application variants using two measuring instruments on a prestressed concrete beam. The fiber-optic sensor technology, supplemented by conventional measuring technology, was able to detect elastic strain, crack formation and decisive shear cracks of the fracture condition.
| Translated title of the contribution | Distributed fiber optic sensing for crack detection in concrete structures |
|---|---|
| Original language | German |
| Pages (from-to) | 150-159 |
| Number of pages | 10 |
| Journal | Beton- und Stahlbetonbau |
| Volume | 114 |
| Issue number | 3 |
| DOIs | |
| State | Published - Mar 2019 |
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