Preventive maintenance is suitable for scenes with minor cracks and aging surfaces. Key technologies include fog seal, slurry seal and synchronous gravel seal
Core equipment
Micro-surfacing paver
- Core function: quickly close small cracks in the road surface and improve the anti-skid performance of the road surface.
- Typical application scenarios: suitable for daily maintenance of highways and airport runways.
- Technical advantages: support single-vehicle full-width construction, and the operating efficiency can reach 500 square meters/hour.
Mist seal layer sprayer
- Core function: delay the aging process of the road surface by penetrating cracks and forming a sealing layer.
- Typical application scenarios: mainly used for road maintenance in extremely cold and rainy areas.
- Technical advantages: achieve precise spraying of high-viscosity asphalt, and the spraying error is controlled within ±2%.
Synchronous chip sealer
- Core function: synchronously spread binder and aggregate to enhance the wear resistance of the road surface.
- Typical application scenarios: suitable for maintenance and construction of rural roads and heavy-load sections.
- Technical advantages: the batching accuracy reaches ±1 kg/m3 to ensure accurate material ratio.
Functional repair: For local potholes, looseness, and reduced anti-slip performance, hot patching, milling and resurfacing, cold patch filling and other technologies are often used.
Core equipment
Milling machine
- Core function: milling damaged road surface, with an operating depth of 5-50mm.
- Typical application scenario: mainly used for pothole repair operations on urban roads.
- Technical synergy solution: used in conjunction with recycling equipment to achieve 100% recycling of milling materials.
Asphalt Distribution Truck
- Core function: spraying hot asphalt or emulsified asphalt for laying road bonding layer.
- Typical application scenario: suitable for maintenance scenarios such as pothole repair and crack filling.
- Technical synergy solution: linked with roller operation, and seamless connection of compaction process through temperature control technology (±5℃ accuracy).
Cold recycler
- Core function: milling old road surface on site and adding new material to achieve base layer regeneration.
- Typical application scenario: mainly used in overhaul projects of rural roads.
- Technical synergy solution: integrated automatic moisture adjustment system to ensure the accuracy of recycled material ratio and construction quality.
Structural reconstruction is applied to scenarios where the base is damaged or severely subsided, and the problem is solved through key technologies such as base reinforcement and full-thickness reconstruction.
Core equipment
Plant-mixed hot regeneration equipment
- Core function: Recycle waste materials by heating old asphalt pavement materials and mixing them with new asphalt.
- Typical application scenarios: Applicable to material recycling in major and medium-sized highway repair projects.
- Environmental benefits: The utilization rate of old materials can reach more than 90%, significantly reducing the consumption of new materials and waste emissions.
Warm mix asphalt equipment
- Core function: Reduce the operating temperature during asphalt production (30-50℃ lower than traditional processes), taking into account performance and energy saving.
- Typical application scenarios: Mainly used for construction in extremely cold areas and pavement projects in environmentally sensitive areas (such as residential areas and around water sources).
- Environmental benefits: Compared with traditional hot mix processes, it can reduce carbon emissions by 40%, reduce energy consumption and air pollution.
Foamed asphalt regeneration machine
- Core function: Use foamed asphalt technology to regenerate old pavement materials on site without high-temperature heating.
- Typical application scenarios: Applicable to rapid maintenance projects such as airport runways that have strict requirements on closure time.
- Environmental benefits: Through the low-temperature regeneration process, it saves 25% of fuel costs and reduces greenhouse gas and dust emissions.
Rubber-wheel rollers, steel-wheel rollers and oscillating rollers are respectively designed to meet different construction needs such as final compaction of asphalt surface layer, initial compaction of base layer and underlying layer, and compaction of thin overlay layer. Through adjustable vibration frequency, quality specifications and amplitude parameters, precise control of pavement structure density and flatness can be achieved.
Core equipment
Rubber-wheel roller
- Core function: eliminate wheel marks and improve road surface smoothness through final compaction.
- Applicable scenarios: final compaction process of asphalt surface layer.
- Technical parameters: vibration frequency supports adjustable range of 0-70Hz to meet different compaction strength requirements.
Steel-wheel roller
- Core function: undertake initial and re-compacting tasks to ensure that the density of the structural layer meets the standard.
- Applicable scenarios: construction compaction of base layer and lower layer.
- Technical parameters: provide a variety of specifications with a total mass of 10-25 tons to adapt to different project scales.
Oscillating roller
- Core function: using oscillating compaction technology to reduce material displacement, suitable for thin-layer overlay construction.
- Applicable scenarios: airport runways, bridge deck paving and other projects with extremely high requirements for flatness.
- Technical parameters: amplitude adjustment range of 0.5-3mm, precise control of compaction strength to avoid structural damage.