Untersuchungsstrategie zur Bewertung der Langzeitstabilität von Dehnungsmessstreifen

Research output: Contribution to specialist publicationFeature article/contribution (Feuilleton)Contributedpeer-review



In the field of structural health monitoring the measuring of strain is prevalent beside temperature and displacement. The strain is used to determine the utilization rate and to estimate the fatigue strength of a structure. A very common measurement method for strains at and in components is the usage of strain gauges. Further, a climate cycle for analysis of long term stability of strain gauges is introduced, that simulates an accelerated temperature and humidity stress. This cycle consists of four phases, which lasts 240 h and covers different combinations of temperature and humidity conditions up to freezing and thawing. The results of a 85 d lasting long term test are presented and used to describe characteristic values for long term stability of strain gauges. The measurement results show significant differences for the strain gauge types in the zero point drift and underline the role of correct choice and protection to achieve reliable strain measurements.

Translated title of the contribution
Test strategy for evaluation of strain gauge long term stability


Original languageGerman
Number of pages10
Issue number7
Publication statusPublished - 1 Jul 2015
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External IDs

ORCID /0000-0001-8735-1345/work/142244611



  • climate cycle, humidity, long term stability, strain, strain gauge, structural health monitoring