Road American
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How is changes in composition and molecular structure of asphalt in mixing with crumb rubber modifier applied in asphalt or bitumen modification processes?
The incorporation of crumb rubber modifier (CRM) into asphalt alters its composition and molecular structure by introducing elastomeric properties. CRM enhances the viscosity and elasticity of the asphalt, improving its resistance to deformation and cracking. The interaction between the rubber particles and the bitumen matrix leads to a more complex molecular network, which enhances the overall performance of the modified asphalt. This modification process results in improved durability and longevity of asphalt pavements under varying environmental conditions.
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