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Concrete-Free Polyurethane Expansion Joint

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Concrete-Free Polyurethane Expansion Joint

Scope of Application

Displacement range: 80 mm ≤ e ≤ 160mm

Project types: For application in municipal roads requiring low noise and environmental protection

Features

  • Integrated Beam Anchoring

    Prefabricated bridge components enhance pull-out resistance, boosting overall anchorage strength between expansion joints and beams.

  • Concrete-Free Impact Resistance

    Steel impact baffles eliminate traditional concrete transition zones, preventing concrete degradation and improving impact durability.

  • Steel-Flex Hybrid Design

    Seamless integration of structural steel (for load-bearing) and elastic materials (for displacement accommodation)

  • Watertight & Low-Noise

    Full-seal polyurethane filling ensures waterproof performance while reducing traffic noise.

Compliance Standards

Patents:

  • CN202410964984.9: Zero-Clearance Elastic Displacement Regulator (Invention & Utility Model Patent - Under Review)

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