Vĩnh Hưng
Vĩnh Hưng
Vĩnh Hưng

Pot bearing

VHB pot bearing made by Vinh Hung Investment and Production Company Limited (Vinh Hung IP) are in compliance with standards: AASHTO LRFD; TCVN 11823:2017, TCVN 10268:2014, TCVN 10269:2014, TCVN 13594-8, EN 1337, IRC:83 – Part 2, KS F4424…

VHB pot bearing is capable of withstanding high loads, displacements and wide angle rotation. This type of bearing is suitable for middle-range span structure, continuous bridge structure etc. with a load capacity depending on projects’ requirements.

VHB pot bearing has well-shaped structure, superior design, which is convenient for installation and maintenance during operation.

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Product Features

VHB pot bearing is comprised of 4 main parts: top/sliding plate, piston, pot and elastomeric pad.

  • The elastomeric pad is placed inside the pot. Under the pressure of the load, the elastomeric pad experiences the temporary deformation inside the pot’s volume, it is capable of withstanding the loads and allows the movement as well as rotation along horizontal axis.
  • Piston and pot work as the connecting parts between the structures.

Pot bearing is divided into 2 main types: Fixed pot bearing and sliding pot bearing.

  • Fixed pot bearing: The bearing only allows the head of structure to have rotary movement and transfers the pressure through a fixed point.
  • Sliding pot bearing: This type of bearing, including free sliding bearing and guided sliding bearing, allows the head to have both rotary movements and transversally or multidirectional movements.

To ensure the long-life durability, VHB pot bearing is protected against corrosion by the following methods: two-component epoxy coat, PU-based painting (Polyurethane) in accordance with the corrosion categories specified in ISO 12944 (TCVN 12705). In particular, the Al–Mg thermal spraying method (at the ratio of 95% Al and 5% Mg) ensures the anti-corrosion durability of up to 100 years, proven by salt-spraying test in 12.000 hours (8-hour dry-wet cycle repetition) under ASTM B117 standards.

Certifications

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