{"id":5513,"date":"2023-10-27T17:56:36","date_gmt":"2023-10-27T15:56:36","guid":{"rendered":"https:\/\/www.labexpin.com\/portfolio-items\/ritzprufungen\/"},"modified":"2025-08-22T13:15:12","modified_gmt":"2025-08-22T11:15:12","slug":"ritzprufungen","status":"publish","type":"avada_portfolio","link":"https:\/\/www.labexpin.com\/de\/portfolio-items\/ritzprufungen\/","title":{"rendered":"Ritzpr\u00fcfungen"},"content":{"rendered":"

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\"sclerometro<\/div><\/div><\/div>
\"prova<\/div><\/div><\/div>
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Ritzpr\u00fcfungen<\/h1><\/div>

Die Ritzpr\u00fcfung ist eine zerst\u00f6rungsfreie Untersuchungsmethode, die Informationen \u00fcber die Qualit\u00e4t des Betons liefert, indem die oberfl\u00e4chliche H\u00e4rte des Materials, gemessen wird. Diese Methode wird verwendet, um die kubische Druckfestigkeit des getesteten Betons zu sch\u00e4tzen, den Grad der Homogenit\u00e4t der mechanischen Eigenschaften zu untersuchen, Bereiche oder Zonen schlechter oder abgenutzter Qualit\u00e4t zu identifizieren, ohne jedoch als Ersatz f\u00fcr die Druckpr\u00fcfung an Betonproben gedacht zu sein.
\nDer Sklerometer besteht aus einem zylindrischen K\u00f6rper mit einer Stange, die an einem Ende des Geh\u00e4uses herausragt und durch eine Feder belastet ist. Die Stange wird auf die zu testende Oberfl\u00e4che gedr\u00fcckt, bis sie das Ende ihres Weges erreicht. An diesem Punkt schl\u00e4gt eine innere Masse, gef\u00fchrt von einer Feder, auf die fest am Stab befestigte H\u00fclse, die ihrerseits mit der zu pr\u00fcfenden Oberfl\u00e4che in Kontakt steht. Die Masse prallt nach dem Schlag auf den Stab auf eine bestimmte H\u00f6he zur\u00fcck und wird durch einen Zeiger auf einer Skala angezeigt. Die R\u00fcckprallh\u00f6he ist proportional zur Oberfl\u00e4chenh\u00e4rte des Betons und von dieser wird mittels empirischer Korrelationen die Festigkeit gesch\u00e4tzt. <\/p>\n

Referenznormen: UNI EN 12504-2:2021.<\/p>\n<\/div><\/div><\/div><\/div><\/div>

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