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Applicabilità dell’aggiunta di fibre di sisal alle miscele di asfalto SMA

Applicabilità dell’aggiunta di fibre di sisal alle miscele di asfalto SMA

Maria Natália de Melo Sousa

43,69 €
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Editorial:
KS OmniScriptum Publishing
Año de edición:
2024
Materia
Empresa y gestión
ISBN:
9786207752669
43,69 €
IVA incluido
Disponible

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L’asfalto a matrice di pietra (Stone Matrix Asphalt - SMA) è una miscela con un’alta percentuale di aggregati grossolani e un alto contenuto di legante per asfalto per riempire i vuoti formati nella struttura. Le fibre o i leganti modificati vengono solitamente aggiunti alla miscela per evitare un eccessivo dilavamento del legante. Questo lavoro ha studiato l’aggiunta di fibre di Sisal ai conglomerati SMA, le cui proprietà di assorbimento dei liquidi e di stabilità alle alte temperature suggeriscono che possono essere utilizzate nei conglomerati a caldo. I risultati hanno indicato che la fibra riduce il deflusso del legante e l’aggiunta in diverse proporzioni con una lunghezza di 15 mm ha mostrato miglioramenti nelle proprietà meccaniche, come un aumento della resistenza alla trazione e della resistenza alla trazione conservata, che ha superato il minimo richiesto per le miscele SMA. La fibra si è dimostrata un materiale adatto all’uso nelle miscele di asfalto e ha mostrato una grande capacità di prevenire il deflusso in eccesso del legante.

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Otros libros del autor

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