Hydraulische Reaktionen des Zements in Mörtel bei verschiedenen Parametern
|Published in:||Beton- und Stahlbetonbau, August 2010, n. 8, v. 105|
Hydraulic Reactions of Cement in Mortar at Different Parameters Analytical Observations by Means of Cryo-Transfer-Scanning-Electron-Microscopy
For the investigation of hydraulic reactions of cements and other building materials the cryo-transfer scanning-electron-microscopy is frequently used by now. Today the cryo-transfer technique is considered as a reference procedure. An essential concern in industrial applications is - amongst others - the insitu investigation of the cement paste at the very early state of hydration - just after the addition of water, respectively during the first minutes within so-called "time-cuts". The present work illustrates the application of a cryo-transfer system for the investigations on hydraulic reactions of conventional concrete. Exemplary parameters were curing times of 1 minute, 5 and 60 minutes at curing temperatures of 4 °C, 22 °C and 40 °C.
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