National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Preparation of concrete substrate for repair by continuous and pulsating oscillating water jets
Sitek, Libor ; Foldyna, Josef ; Wolf, I. ; Klich, Jiří ; Mazáčová, R.
The water jet ability to remove selectively degraded material can be further improved by introducing high-frequency pressure pulsation into the jet. A series of experiments was realized to compare the effects of both pulsating oscillating and continuous oscillating water jets on the concrete panel. Achieved results are presented in the paper.
Adhesion between repair mortar and concrete surface processed using water jet
Mazáčová, R. ; Ščučka, Jiří ; Sitek, Libor ; Foldyna, Josef ; Hurta, J.
Results of an experiment focused on assessment of adhesion between a repair mortar and cement concrete surface processed using water jet are presented in the paper. The character of surfaces formed by both rotated continuous and rotated pulsating water jets is analysed. The adhesion between the repair mortar and processed surfaces is evaluated using adhesive strength tests.

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