Alberto Pumarejo Bridge

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MAURER supplies expansion joints, bearings, and dampers for bridge and viaduct projects. One of MAURER's global projects in this area is the Alberto Pumarejo Bridge project in Colombia. MAURER supplied 80 spherical and elastomeric bearings for this bridge. The project's key aspects are as follows:

The bridge consists of 3 parts: 2 viaducts and 1 main bridge. The bridge has a total length of 3,237 m and 29 spans. In this project, MAURER had to address two challenges:
  • Protection of the bridge from strong winds and earthquakes
  • Protection of the bridge from compressive and tensile forces
MAURER used MSM spherical bearings against compressive forces and elastomeric bearings against tensile forces. A dual-bearing solution was chosen in this case. The image shows a scheme of this solution. A total of 10 bearings were installed between the P13 and P14 bridge spans.
Longitudinal displacement in the bridge spans is compensated by 2 large MSM spherical bearings, while transverse displacement is handled by 4 elastomeric bearings.
The largest bearings in this project measure approximately 150x150 cm and weigh 5.5 tons.

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