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Abstract:	Der vorliegende Beitrag befasst sich mit den Auswirkungen von Erschütterungen auf jungen Beton. Dabei lag der Fokus auf möglichen Veränderungen der Druckfestigkeit und Wassereindringtiefe. Hierzu wurden Betonproben entweder sechs, acht oder zehn Stunden nach der Betonage mit einer definierten Frequenz und einer gleichbleibenden Schwinggeschwindigkeit erschüttert. Insgesamt wurden im Rahmen der Untersuchung drei verschiedene Frequenzen (5 Hz, 20 Hz und 35 Hz) berücksichtigt. Influence of vibrations on young concrete This report examines the effects of vibrations on young concrete. The focus was on possible changes in compressive strength and water penetration depth. For this purpose, concrete samples were shaken either six, eight or ten hours after concreting at a defined frequency and a constant vibration velocity. In total, three different frequencies (5 Hz, 20 Hz and 35 Hz) were considered in this investigation.
Source:	Beton- und Stahlbetonbau 114 (2019), No. 3
Page/s:	176-184
Language of Publication:	German

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