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- W3154278521 abstract "The paper at hand reports about an extensive experimental study with the focus on the optimization of a fiber reinforced UHPC and the later investigation of the dynamic behavior of high resilient structural members. These members consist of a layered structure made of performance optimized UHPC and a core made of normal strength reinforced concrete and were developed for the application in wall elements and columns. Both functions should be addressed under consideration of material costs: load bearing and protective function. In this scope one focus of the study was led on the optimization of a standard UHPC with respect to its mechanical properties under both quasi-static and dynamic loadings. This UHPC is used as protective layer to resist extraordinary and extreme loadings e.g. coming from impact and detonations. There, the fiber reinforcement is known to be the crucial component, which essentially controls the mechanical properties. In this sense the study investigated different mixtures of UHPC under variation of the fiber content, the fiber geometry and the fiber material. Finally, the best mechanical properties were found for a mixture using a fiber cocktail consisting of steel and PVA fibers. This combination leads to an improvement of the mechanical properties in comparisons to standard UHPC mixtures and of the resistance against high temperatures. With dynamic fracture energy of about 18700 N/m a significant increase of about 50 % was realized in comparison to a standard UHPC with similar fiber content." @default.
- W3154278521 created "2021-04-26" @default.
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- W3154278521 date "2016-07-18" @default.
- W3154278521 modified "2023-09-26" @default.
- W3154278521 title "Influence of the fiber reinforcement on the dynamic behavior of UHPC" @default.
- W3154278521 cites W1969010033 @default.
- W3154278521 cites W2015572297 @default.
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- W3154278521 doi "https://doi.org/10.21838/uhpc.2016.20" @default.
- W3154278521 hasPublicationYear "2016" @default.
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