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Macchina per spruzzatura centrifuga
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ISBN10: 6208895022
ISBN13: 9786208895020
Publisher: Edizioni Sapienza
Published: Sep 23 2025
Pages: 68
Weight: 0.23
Height: 0.16 Width: 6.00 Depth: 9.00
Language: Italian
ISBN13: 9786208895020
Publisher: Edizioni Sapienza
Published: Sep 23 2025
Pages: 68
Weight: 0.23
Height: 0.16 Width: 6.00 Depth: 9.00
Language: Italian
Il libro presenta materiali su una macchina fondamentalmente nuova per la costruzione di sostegni in calcestruzzo spruzzato. La novità consiste nel fatto che per l'applicazione della miscela di spruzzatura e l'alimentazione dei materiali non viene utilizzata aria compressa. Per la prima volta è stata creata una macchina per la spruzzatura di gallerie orizzontali mediante la forza centrifuga di uno speciale compressore azionato da un motore idraulico. Sono presentati materiali relativi alla ricerca in condizioni di laboratorio sull'efficacia del metodo proposto per la costruzione di rinforzi a spruzzo, nonché una ricerca computerizzata sulle parti più vulnerabili all'usura utilizzando il programma Ansys. Tale macchina consente di rinunciare all'uso di aria compressa per il rinforzo con calcestruzzo spruzzato, il che permette di risparmiare circa il doppio dell'energia elettrica, di dimezzare il consumo di cemento e di aumentare la produttività di due o tre volte. Inoltre, è possibile applicare in un unico passaggio uno strato di calcestruzzo dello spessore massimo di 200 mm.
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