“Choosing the right expansion joint involves balancing movement demands, traffic intensity, environmental exposure, and maintenance capabilities. This matrix helps engineers match joint types to project needs, ensuring durability and performance.”
- Movement Range
- Small: Compression Seal, Strip Seal
- Medium: Finger Joint, Sliding Plate
- Large: Modular Joint
- Bridge Type
- Pedestrian: Compression Seal
- Highway/Flyover: Strip Seal, Finger Joint
- Long-span: Modular Joint
- Traffic Load
- Light: Elastomeric Joints
- Heavy: Armored, Modular, Finger Joints
- Environmental Conditions
- Water exposure: Strip Seal, Compression Seal
- Temperature variation: Modular, Finger
- Seismic zones: Modular with seismic detailing
- Installation & Maintenance
- Easy: Compression Seal, Strip Seal
- Complex: Modular, Finger
- Maintenance-intensive: Sliding Plate, Modular