Multi-Layered Natural Rubber Bridge Bearing Pad for Vertical Load Support and Lateral Movement
As a specialized manufacturer of engineering materials since 2005, Hengshui Haogu Engineering Materials Co., Ltd. leverages its 3,000-5,000 sqm ISO-certified facility to deliver premium Multi-Layered Natural Rubber Bridge Bearing Pads. Engineered for critical infrastructure projects across 5 continents, our bearings ensure structural integrity through superior vertical load distribution (up to 1000kN) and controlled lateral movement absorption – vital for seismic zones and heavy-traffic bridges.
With over 15 years of expertise serving North American, European, and Asian infrastructure markets, we combine rigorous QS9000 and ISO9001 processes with export proficiency through major Chinese ports. Our annual US$5-10M export volume reflects global trust in solutions that extend bridge lifespans by 30% while reducing maintenance costs.
Technical Advantages & Specifications:
- Multi-Layer Reinforcement: Alternating natural rubber sheets and steel plates create a composite structure that distributes loads uniformly while accommodating thermal expansion/contraction
- Seismic Resilience: Shear deformation capacity up to 150% protects structures during earthquakes
- Weather Resistance: Ozone-resistant NR compound performs reliably from -40°C to +70°C
- Custom Engineering: Tailored dimensions and layer configurations for specific span requirements
Performance Parameters:
| Attribute | Value Range |
|---|---|
| Standard Sizes | 300x400mm to 1000x1200mm |
| Thickness per Layer | 5-15mm rubber / 2-4mm steel |
| Compression Set | <15% (ASTM D395) |
| Shear Modulus | 0.8-1.2 MPa |
| Abrasion Resistance | 70-90 mm³ (DIN 53516) |
Client Benefits:
- Reduced Construction Costs: Prevents costly concrete spalling and girder misalignment
- Simplified Installation: Pre-fabricated units with bolt holes for rapid deployment
- Long-Term Reliability: 50-year service life with minimal degradation
- Vibration Damping: Lowers noise pollution in urban viaducts by 25 dB(A)
Trusted by contractors in 80+ countries, our bearings meet AASHTO and EN 1337 standards. With dedicated R&D teams and 100+ skilled workers, we ensure on-time delivery of container shipments via Tianjin/Qingdao ports. Contact our engineering department for custom load-movement calculations and project-specific certifications.
FAQ:
Q1: What maintenance do these bearings require?
A: Designed as maintenance-free components, they only need visual inspection during bridge audits.
Q2: Can they withstand saltwater exposure?
A: Optional neoprene rubber compound available for coastal/marine environments.
Q3: How are vertical and lateral capacities calculated?
A: Our technical team provides FEA-based simulations using your bridge design parameters.
Q4: What lead time applies for custom sizes?
A: Standard products ship in 2 weeks; custom designs require 4-6 weeks.
Q5: Are test reports available?
A: Third-party compression/shear test certificates accompany every shipment.
Q6: Do you provide installation guidance?
A: Detailed mounting manuals and video tutorials are supplied.
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