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Valutazione di diversi tipi di cera di carnauba
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ISBN10: 6206824845
ISBN13: 9786206824848
Publisher: Edizioni Sapienza
Published: May 2 2025
Pages: 96
Weight: 0.31
Height: 0.23 Width: 6.00 Depth: 9.00
Language: Italian
ISBN13: 9786206824848
Publisher: Edizioni Sapienza
Published: May 2 2025
Pages: 96
Weight: 0.31
Height: 0.23 Width: 6.00 Depth: 9.00
Language: Italian
Il presente lavoro tratta dello studio della fattibilità delle cere di carnauba di tipo 1, 2, 3 e 4, in percentuali del 3 e 5% (m/m), come additivi per ottenere miscele asfaltiche tiepide. Le cere sono state caratterizzate mediante spettroscopia nell'infrarosso, analisi termica e fluorescenza a raggi X, al fine di analizzarne la composizione strutturale, la stabilità termica e il punto di fusione. Le cere dei quattro tipi sono state utilizzate come modificanti per leganti bituminosi e gli effetti derivanti sono stati valutati mediante prove empiriche e reologiche. I risultati delle prove empiriche indicano che in presenza delle cere si verifica una riduzione della penetrazione e un aumento del punto di rammollimento, conferendo al legante una maggiore rigidità . Le prove reologiche hanno mostrato un miglioramento in relazione alla possibilità di impiego su strade con elevato volume di traffico veicolare (Heavy - H) per il legante modificato con il 5% di CT4. I risultati di questo studio dimostrano che la cera di carnauba soddisfa alcuni dei requisiti fondamentali necessari per il suo utilizzo come additivo per miscele asfalto a caldo.
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