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The vibration rheometer: the effect of vibration on fresh concrete and similar materialsVibrationsrheometer: Die Schwingungsauswirkung auf Frischbeton und ähnliche Werkstoffe


The use of the newly‐designed electronic accelerometer as an integral part of the vibration rheometer, for the first time made it possible to continuously and accurately record the acceleration of an apparatus piston as a solid mass oscillating in the test specimen of the material under sub‐base excitation. The research is focused on plastic concrete, mortar and appropriate reference materials whose behavior was approximated to a pseudoplastic fluid. An analytical solution to the oscillation of the piston in the specimen is also provided. The research showed that a layer of the material with the properties close to the ideal Newtonian fluid forms around each particle exceeding 0.25 mm causing a reduction in resistance to deformation and compression in a specimen. The effect of vibrations on plastic concrete and similar materials is also described.

Autoren:   S. Juradin, P. Krstulovic
Journal:   Materialwissenschaft und Werkstofftechnik
Band:   43
Ausgabe:   8
Jahrgang:   2012
Seiten:   733
DOI:   10.1002/mawe.201200769
Erscheinungsdatum:   22.08.2012
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