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Highway aggregate production line

Highway projects demand strict aggregate shape/gradation, especially low flakiness in basalt/diabase. Zhongding's VSI crushers achieve: ✓ ≤8% flakiness (vs. 12-15% req.) ✓ ≤0.6% P200 fines (vs. ≤1% req.) ✓ Gradation error ≤±2.3% ✓ Clay content ≤0.3%
Case Details

Highway Aggregate Production Line

Material Suitability: Granite, Basalt, Diabase
Applications: Highway, Urban Infrastructure, Airport Construction
Configuration:
Vibrating Feeder → Jaw Crusher → Hydraulic Cone Crusher → Circular Vibrating Screen → VSI Crusher → Belt Conveyor System


Technical Solution for Highway Aggregates

Highway construction demands stringent control of:

  • Flakiness Index: ≤8% (vs. industry ≤15%)

  • Gradation: Fuller curve compliance (±2.3% error)

  • P200 Content: ≤0.6% (asphalt layer requirement: ≤1%)

  • Particle Shape: ≥92% cubicity (ASTM D4791)

Yurui’s VSI Crusher Integration Achieves:
✓ 40% reduction in flaky particles
✓ Dry-classified silt control (≤0.3% clay)
✓ Real-time gradation adjustment


Parameter Value Standard
Automation Level PLC+IoT Control ISO 13849-1
Throughput 50-800 TPH ISO 1940-1
Energy Consumption ≤1.8 kWh/ton ISO 50001
Product Gradation 0-5/5-10/10-20mm ASTM C33
Flakiness Index ≤8% (Basalt/Diabase) BS EN 933-3

Case: Yangtze Delta Expressway

  • Material: Basalt (UCS 290MPa)

  • Configuration:

    • Jaw Crusher JC7796

    • Cone Crusher HPT500

    • VSI Crusher CV218

  • Output:
    ✓ 480 TPH highway-grade aggregates
    ✓ Flakiness: 7.1%
    ✓ P200: 0.58%
    ✓ Bitumen saving: 17%

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