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Constituants des enrobés en France

Constituants des enrobés en France

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COMPOSITION DES BITUMES<br />

Composition chimique<br />

• Carbone ≈ 80 %<br />

• Hydrogène ≈ 10 %<br />

• S, O, N, … < 10 %<br />

• V, Ni, Fe, …< 0,1 %<br />

Composition générique<br />

BITUME<br />

(+ n heptane)<br />

insoluble soluble<br />

ASPHALTENES MALTENES<br />

(chromatographie)<br />

RESINES<br />

Les <strong><strong>en</strong>robés</strong> bitumineux : formulation, fabrication, mise <strong>en</strong> place – Montréal 2006<br />

AROMATIQUES<br />

SATURES<br />

33

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