Sliding Type Bridge Spherical Bearings Bridge Pot Bearing

  Product DescriptionThis kind of product includes: GPZ(II), GPZ (2009), GCPZ & JPZ series pot bearing for highway bridges, and TPZB(X) series pot bearings for railway bridges. Products comply with JT/T 391 -2009 pot bearings for highway bridges and TB/T 2331-2013 pot bearings for railway bridges. Features:1> With low-profile yet high loading capability over 50,000 KN.2> Maximized shearing strength of elastomer pad through encasing its steel pot.3> Allow for large rotations ranging from 0 to 0.03 rad.4> Low friction coefficient between 1% and 3%.5> Excellent fatigue, impact and aging resistance of the layer of PTFE.6>All the metallic parts are protected against corrosion by galvanization and epoxy painting according to EN 1337-9 (other protective coatings are available as your requirements).7> Easy to maintain and replace the worn out and broken part. Easy and quick to install.8> Complying with BS EN-1337, KS4424, AASHO, ISO or other custom standards.Applications:1> Incrementally launched bridges.2> Curved or skewed bridges.3> Structures with rotations in various directions.4> Structures using the incremental launching methods.5> Highways and railways, etc. Detailed Photos Product ParametersGPZ series pot bearings movementReactive force of bearingThe Maximum Displacement Transverse Direction (mm)FIXEDSLIDINGFREE1000-300000±5; ±103500-900000±10; ±1510000-3000000±5;±2032500-5000000±20;±25Reactive force of bearingThe Maximum Displacement Longitudinal Direction (mm)FIXEDSLIDINGFREE1000-30000±50;±100±50;±1003500-90000±100;±150±100;±15010000-300000±150;±200±150;±20032500-500000±200;±250±200;±250PropertiesMaterialsItemNeoprene RubberNatural RubberEPDM RubberHardness (IRHD)60±560±560±5Tensile Strength (Mpa)>=17>=17.5>=15.5Elongation at break (%)>= 400>= 400>= 350Brittleness temperature (ºC)