Bridge bearing pads play a crucial role in the construction and longevity of bridges. These vital components provide support and stability to bridge superstructures, ensuring the safety and integrity of these vital infrastructure assets.
1. Load Distribution
2. Thermal Expansion and Contraction
3. Vibration Mitigation
Material | Load Capacity (MPa) | Thermal Conductivity (W/mK) | Flexibility |
---|---|---|---|
Elastomeric | 20-100 | 0.3-0.5 | High |
Neoprene | 15-80 | 0.2-0.4 | Moderate |
PTFE | 25-120 | 0.2-0.6 | Low |
1. Material Selection
2. Installation
Installation Aspect | Important Points |
---|---|
Surface Preparation | Remove debris, clean with solvents, and level the surface. |
Pad Positioning | Align pads precisely, check for any gaps or overlaps. |
Torque Values | Use a calibrated torque wrench to tighten bolts as per specifications. |
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