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An Economical Choice - Plain Elastomeric Bearings

Plain elastomeric bearings, also known as non-reinforced elastomeric bearings, are exclusively made of natural rubber or neoprene (with better durability). They provide a low-cost choice for bridges with lighter bearing loads.

Features:

A black plain elastomeric bearing without any reinforced steel plates
Plain elastomeric bearing
  • Quality materials including natural rubber, neoprene complying with AASHTO standards.
  • Allow for expansions and contractions of precast steel structure of bridges.
  • Capable to control load distribution, meanwhile accommodate thermal and end-beam rotational movements.
  • Vibration, sounds and shocks isolation.
  • Avoid excessive load eccentricity and edge compression.
  • Simple but robust structure.
  • Lower price than laminated elastomeric bearing.
  • High cost effectiveness.
  • Minimal maintenance is needed.

Applications:

Three plan drawings about how a plain elastomeric bearing distribute loads and accommodate horizontal movements.
Load distribution & movement accommodation of plain elastomeric bearing
  • Construction of flyovers.
  • Machinery and pumps.
  • Short-span bridges.
  • Prefabricated structures.
  • Leveling pads for girder bridges.
  • Support commercial and industrial buildings.
  • Petrochemical and power plants.

Details:

  • Material: natural rubber, neoprene and others as your request.
  • Thickness: 1/8” to 30” or custom thickness.
  • Width: 36” to 48” or custom widths.
  • Shapes: rectangular, square or round
  • Hardness: 50 to 70 durometer complying with AASHTO. 
  • Standards: AASHTO, ASTM D4014, BS EN 1337or other standards according to your requirements.
  • Physical properties:
Material Neoprene Natural rubber
50 60 70 50 60 70
Hardness (Shore A) 45 to 55 55 to 65 65 to 75 45 to 55 55 to 65 65 to 75
Tensile strength (min) 2250 psi 2250 psi 2250 psi 2500 psi 2500 psi 2500 psi
Elongation (min) 400% 350% 300% 450% 400% 350%
Compression set (max) 22 hours 35% at 212 °F 35% at 212 °F 35% at 212 °F 25% at 158 °F 25% at 158 °F 25% at 158 °F

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Hengshui JingTong Rubber Co., Ltd.
Email: sales@bearing-pad.com

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