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It all started with a small wooden bearing.
PRODUCTS

High Performance Bearing, HPB

To improve the overall seismic performance of bridges, increase their long-term durability, and reduce construction costs

Features

Product Registered for NETIS/ Ministry of Land, Infrastructure, Transport and Tourism: No.KT-170046-A

  • Low-friction movable bearing with a friction coefficient of 0.05
  • Compact bearing realized by high surface pressure sliding material
  • Reduced bearing height suited to replacement bearings on old bridges

Structure and Characteristics

Installation of Low Friction Sliding Bearing

Applications

  • New construction of movable fixed bridges/ Maintenance and repair-based replacement of existing structures
  • Multiple bearing points for enhanced strength in soft ground and other locations unamenable to seismic isolation designs

Other applications

  • Replacing existing pin roller and other bearings with lower friction
  • Replacing line bearings and other bearings with substructural height
  • Replacing existing bearings for maintenance

Rust proofing specifications

  • Rust prevention specifications for HPB include painting, galvanizing, or Al-Mg thermal spray

Compared with standard BP-B bearings (1000 kN movable bearings)

BP-B bearing HPB bearing
Weight(kg) 377.9 271.5
Height(mm) 191 110

Case studies

Steel bridge installation

Concrete bridge installation

Schematic

Movable bearing

Fixed bearing

Standard specification

*We also offer other products with baseplates of various specifications. Please contact us for details.