Betonkorrosion? Nur zu! In diesem Forum kann man über die unschönen Auswirkungen der Kohlensäure reden. Die Betonschäden in den Nachklärbecken, den Nitribecken oder seit neuesten im Sandfilter.
|Kann mir jemand eine Seite empfehlen, wo ich Informationen über Betonkorrosion downloaden kann?|
|Seit einiger Zeit beobachte ich, daß die Betonoberfläche in meinem Nachklärbecken unter der Wasseroberfläche wie Waschbeton aussieht. Was kann ich dagegen tun ? Kann ich etwas zur Kontrolle messen?|
|Das sieht nach CO2-Korrosion aus. Es besteht die Möglichkeit die Calcitsättigung zu messen. Ist der Wert positiv ist das Wasser kalkagressiv. Bestimme pH-Wert, Themperatur, Säurekapzität, Ca-Konzentration und Mg-Konzentration. Auf der Internetseite http://www.calcit.info gibt es die Möglichkeit die Werte einzutragen und die CO2-Konzentration, den Kb-Wert (Basenkapazität) und das Calcitlösevermögen zu bestimmen. Die anderen Werte die man eintragen kann haben zwar auch einen Einfluß, sind aber für die Genauigkeit nur im Trinkwasser wichtig, wo das Calcitlösevermögen nur zwischen +5mg/l und -5mg/l liegen sollte. Bei Kläranlagen werden schon 100 - 500 mg/l gemessen, da die kalkagressivität bisher nicht beachtet wird.|
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|http://www.lululemon1912online.com 鈥?The smaller container should be packed inside smaller storages while the bigger ones should be handled by bigger storages so that there would be neatness in the packing. Before one buys these storages for his or her container, a market research should be done for cheap containers that would save money and also it is only from trusted shops that one should buy from.|
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