Journal
JOURNAL OF COMPOSITE MATERIALS
Volume 47, Issue 16, Pages 1943-1949Publisher
SAGE PUBLICATIONS LTD
DOI: 10.1177/0021998312452895
Keywords
Fatigue; standards; fiber-reinforced polymer structures; pultrusion; load and resistance factor design
Categories
Funding
- National Science Foundation
- Div Of Industrial Innovation & Partnersh
- Directorate For Engineering [1230351] Funding Source: National Science Foundation
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A recently completed pre-standard for load and resistance factor design of pultruded fiber-reinforced polymer structures includes an S-N fatigue life prediction model for the design of components, which will experience cyclic loading. The prediction is independent of material and geometric properties and is shown to be overly conservative when applied to experimental data. A different model, developed at the Constructed Facilities Center at West Virginia University, is combined with the pre-standard model in order to incorporate material and geometric properties and improve life prediction accuracy from an over-prediction of 50x cycles to failure to only 5x.
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