Description
Granulated cellulose fibers are used as stabilizers to prevent binder drainage and ensure uniform distribution, forming a thick and homogeneous film around aggregates in asphalt mixtures. These fibers are particularly effective in Stone Mastic Asphalt (SMA) mixes, dense mixes, and continuous grading, supporting the incorporation of rheology-modifying additives.
Fiber Incorporation
Cellulose fibers are available in granular form, coated with asphalt binder. They are dosed between 0.3 – 0.6% as a stabilizing element in asphalt mixes and should be added directly to the mixer, preferably before the asphalt binder.
Benefits
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Binder Stabilization: Prevents binder drainage, ensuring uniform distribution in the pavement mix.
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Uniform Mass Formation: Creates a three-dimensional mesh, forming a thick and homogeneous film around aggregates.
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Improved Binder Performance: Enhances both conventional and modified binders.
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Low Apparent Density: Compatible with binders, facilitating easy incorporation.
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Enhanced Rheology Additive Incorporation: Improves the incorporation of rheology-modifying additives.
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Versatility: Suitable for all types of mixes, including SMA, drainage, and continuous and discontinuous grading.
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Durable High-Performance Mixes: Contributes to long-lasting and high-performance asphalt mixes.
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Fatigue and Crack Resistance: Improves resistance to fatigue and cracking.