Dynapac Road Roller technology greatly enhances bridge deck construction, preventing aggregate breakage, reducing noise by 50%, achieving zero complaints during nighttime construction, reducing the number of compaction passes by 30% compared to competitors, and shortening the construction period for the same road section.
Vibratory Compaction Technology:
1. Dynapac pioneered vibratory roller technology, a global leader in this field.
2. Precisely adjustable vibration frequency (25–67Hz) to adapt to different materials.
3. Dual amplitude options (high/low) to adapt to different layer thicknesses.
4. The vibration system uses an eccentric block design for uniform and stable vibration force.
5. Vibration bearings are from top-tier SKF/FAG brands, ensuring extremely long service life.
6. Vibratory compaction efficiency is 40–60% higher than static compaction. Fewer passes are required for the same compaction
effect, significantly saving fuel and time.
Precise Compaction Control:
Vibration Frequency
1. Precisely adjustable amplitude, adaptable to any compaction material
2. Automatic Vibration Cut-off System (AVS): Automatically stops vibration during turns to prevent over-compaction
3. Edge compaction function: ensures consistent compaction at roadside corners with the center
4. Compaction pass counter: ensures no compaction is missed in each pass
5. Industry-leading compaction uniformity, significantly extending pavement life
Oscillation compaction technology:
6. Horizontal oscillation replaces vertical vibration
7. No upward impact on asphalt surface layer, no aggregate displacement or breakage
8. Suitable for compacting sensitive areas such as bridge decks and thin asphalt layers
9. Oscillation compaction noise is 50% lower than vibration compaction, allowing for unimpeded construction at night in urban areas
10. No damage to concrete bridge decks, the preferred technology for bridge deck construction
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| Compacting Materials | Recommended Models | Compaction Advantages |
| Earthwork Base Course | CA150/CA250 Single Drum | Large Amplitude Deep Compaction |
| Stone Base Course | CA300/CA360 Single Drum | Super Strong Compacting Power, High Density |
| Asphalt Surface Initial Compactor | CC4200/CC5200 Double Drum | Vibratory Initial Compactor, High Efficiency and Uniformity |
| Asphalt Surface Final Compactor | CP274 Pneumatic Tire Roller | Sealed Surface, No Wheel Tracks |
| Asphalt Bridge Deck | Vibratory Roller | No Impact, Aggregate Does Not Crush |
| Urban Nighttime Construction | Vibratory Roller | Low Noise, Compliant Construction |
| Thin Layer Repair | CC900/CC1000 Small | Flexible and Mobile, Precise Compaction |
Chengda Group Established in 2003,23 Years Manufacturing Experience · Exported to 80+ Countries.We provide high-quality products and have obtained CCC, BV, ISO, and WMI certifications, with cumulative export value reaching US$5 billion. We are a leading supplier in the industry, exporting over 3,000 trucks, trailers, and cars annually. The company is a professional manufacturer integrating production, R&D, and sales. We primarily manufacture tank trucks, cement bulk trucks, concrete mixer trucks, trailers, semi-trailers, tractor units, dump trucks, light trucks, construction machinery, and trailer accessories.
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