MOQ: 100β
FeaturedHighway Noise Barrier 3.0m Sound-Absorbing Steel Panel
3m highway noise barrier, achieving 25-35dB noise reduction for residential area protection.
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Bridge & viaduct noise barrier with transparent acrylic option. Wind-rated, vibration-resistant. For urban viaducts, highway bridges, interchanges. MOQ 100m, 15-25 day delivery.
Bridge and viaduct noise barriers are specialized acoustic structures designed for the unique structural and environmental conditions of elevated transportation infrastructure. Unlike ground-mounted barriers, bridge barriers must handle bridge vibration, wind exposure, weight limitations, and aesthetic requirements.
## Bridge-Specific Challenges
- **Bridge Vibration**: Traffic-induced vibration cycles (2-10 Hz) fatigue barrier connections. Requires flexible mounting. - **Weight Limitation**: Bridge decks have strict dead-load limits. Barriers must be lightweight. - **Wind Exposure**: Bridges are elevated β higher wind speeds and turbulence. Wind load 1.5-2.0 kPa. - **Aesthetic Requirements**: Bridges are visible landmarks. Transparent or architectural finishes often required. - **Corrosive Environment**: River-crossing bridges expose barriers to humid, salty air. Requires enhanced corrosion protection. - **Maintenance Access**: Bridge barriers harder to access. Must be more durable and easier to replace.
## Design Solutions
### Transparent Acoustic Panels - **Material**: 15mm solid polycarbonate (PC) or 10+10mm laminated glass - **Transparency**: 89% light transmission (PC), 91% (glass) - **Acoustic**: STC 30 (PC), STC 33 (glass). Lower than steel panels but acceptable for bridge use. - **UV Resistant**: PC has UV coating β 15-year clarity guarantee - **Impact Resistant**: PC is 200x more impact-resistant than glass - **Weight**: PC ~3 kg/m2 β significantly lighter than steel panel (25 kg/m2)
### Hybrid Design - **Lower Section** (0-1.5m): Sound-absorbing steel panel (absorbs tire/road noise) - **Upper Section** (1.5-3.0m): Transparent PC panel (preserves view) - **Benefits**: Acoustic performance + visual transparency + reduced weight
## Key Advantages
- **Bridge-Optimized**: Lightweight design respects bridge load limits. - **Wind Engineering**: Aerodynamic profile and enhanced anchoring for bridge wind loads. - **Vibration-Fatigue Resistant**: Flexible connections with rubber isolation β withstands 2 million vibration cycles. - **Transparent Option**: 89% light transmission β preserves bridge views and driver sightlines. - **Corrosion-Resistant**: Zn-Al coating + optional additional coating for coastal/river bridges. - **Aesthetic**: Architectural finishes available. Hidden fasteners. Custom colors.
## Technical Specifications
| Parameter | Value | |-----------|-------| | Panel Height | 2.0m, 2.5m, 3.0m | | Panel Width | 1.0-2.0m (transparent) / 0.5m (steel) | | Steel Panel | 100mm composite, NRC 0.85, STC 32 | | Transparent Panel | 15mm PC, STC 30, 89% transmission | | Glass Option | 10+10mm laminated, STC 33, 91% transmission | | Mount Type | Rubber-isolated, vibration-fatigue rated | | Post Type | H-section steel, bridge-rated | | Wind Load | 1.5-2.0 kPa (bridge design) | | Vibration Cycles | 2 million (fatigue design) | | Corrosion Protection | Zn-5%Al >=150g/m2 + optional coating | | Fire Rating | A1 (steel) / B1 (PC) | | Standard | GB/T 19889, ISO 717, JTG/T D81 |
## Applications
- **Urban Viaducts**: Elevated roads through dense urban areas - **Highway Bridges**: River and valley crossings near communities - **River-Crossing Bridges**: Urban bridges over waterways - **Interchange Ramps**: Elevated flyovers at highway junctions - **Elevated Expressways**: Urban elevated road corridors - **Pedestrian Bridges**: Noise reduction for bridges near residential - **Coastal Bridges**: Salt-air resistant barrier systems
## Packaging & Delivery
- **Packaging**: Steel panels palletized. PC panels in wooden crates (fragile). Posts bundled. - **Container Loading**: 20ft GP ~ 150-300m; 40ft HQ ~ 300-600m - **Lead Time**: 15-25 days standard; 25-40 days custom/laminated glass - **Shipping**: FOB Tianjin / CIF / DDP
Bridge & viaduct noise barrier with transparent acrylic option. Wind-rated, vibration-resistant. For urban viaducts, highway bridges, interchanges. MOQ 100m, 15-25 day delivery.
| Panel Height | 2.0m, 2.5m, 3.0m |
|---|---|
| Steel Panel | 100mm, NRC 0.85, STC 32 |
| Transparent Panel | 15mm PC, STC 30, 89% transmission |
| Glass Option | 10+10mm laminated, STC 33 |
| Mount Type | Rubber-isolated, vibration-fatigue rated |
| Post Type | H-section, bridge-rated |
| Wind Load | 1.5-2.0 kPa |
| Vibration Cycles | 2 million |
| Corrosion Protection | Zn-5%Al >=150g/m2 + optional |
| Fire Rating | A1 (steel) / B1 (PC) |
| Standard | GB/T 19889, ISO 717, JTG/T D81 |
| MOQ | 100 pieces |
FOB Tianjin, per m2
MOQ: 100β
Featured3m highway noise barrier, achieving 25-35dB noise reduction for residential area protection.
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