Strain measurements in reinforced concrete walls during the hydration reaction by means of embedded fibre interferometers

Wolfgang R. Habel; Detlef Hofmann

doi:10.1117/12.184820

13 September 1994 Strain measurements in reinforced concrete walls during the hydration reaction by means of embedded fibre interferometers

Wolfgang R. Habel, Detlef Hofmann

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Proceedings Volume 2361, Second European Conference on Smart Structures and Materials; (1994) https://doi.org/10.1117/12.184820
Event: Smart Structures and Materials: Second European Conference, 1994, Glasgow, United Kingdom

Abstract

In a reinforced concrete wall the deformation during concrete hardening was measured by means of embedded extrinsic fibre-Fabry-Perot-interferometers. The sensors were specifically modified in order to provide a self-calibration cycle and to ensure the functional efficiency under adverse conditions at the building site. The installation was done in the wall's cage of reinforcement before its concreting. The measurement was carried out automatically over a period of 35 days. The measuring results are very satisfactory and give a resolution of 0.1 micrometers /m.

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Wolfgang R. Habel and Detlef Hofmann "Strain measurements in reinforced concrete walls during the hydration reaction by means of embedded fibre interferometers", Proc. SPIE 2361, Second European Conference on Smart Structures and Materials, (13 September 1994); https://doi.org/10.1117/12.184820

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