Chinese name: Rubber bearings Introduction: Bearing vibration and seismic loads during operation
Foreign Name: Rubber Bearing Material: Rubber
Brand: Henghai Rubber Suggested retail price: 20
Plate rubber bearings are a type of bridge bearing product made by embedding, bonding, and vulcanizing multiple layers of natural rubber and thin steel plates. This type of rubber bearing has sufficient vertical stiffness to withstand vertical loads and can reliably transmit the pressure of the upper structure to the pier; Has good elasticity to adapt to the rotation of the beam end; There is significant shear deformation to meet the horizontal displacement of the upper structure;
Rubber bearings are a common rubber bearing product made by vulcanizing and bonding multiple layers of thin steel plates and multiple layers of rubber sheets. This product has sufficient vertical stiffness and can reliably transmit the reaction force of the upper structure of the bearing to the pier. The bearing has good elasticity to cope with the rotation of the beam end of the bridge; It also has a large shear deformation capacity to meet the horizontal displacement of the upper structure.
The current standards implemented for this product are the following three:
Highway industry standard: JT/T4-2004 Highway Bridge Plate Rubber Bearings
Railway industry standard: TB/T 1893-2006 Railway Bridge Plate Rubber Bearings
National standard: GB 20668.4-2007 Rubber Bearings Part 4: Ordinary Rubber Bearings
feature
It has the characteristics of simple structure, easy installation, steel saving, low price, easy maintenance, and easy replacement.
By sticking a layer of 1.5mm-3mm thick polytetrafluoroethylene plate on the surface of the plate support, a polytetrafluoroethylene sliding rubber support can be made. In addition to vertical stiffness and elastic deformation, it can withstand vertical loads and adapt to beam end rotation. Due to the low friction coefficient of the polytetrafluoroethylene plate, the beam end can slide freely on the surface of the PTFE plate, and the horizontal displacement is not limited. It is particularly suitable for bridges with medium to small loads and large displacement.
The current standards implemented for this product are the following three:
Highway industry standard: JT/T4-2004 Highway Bridge Plate Rubber Bearings
Railway industry standard: TB/T 1893-2006 Railway Bridge Plate Rubber Bearings
National standard: GB 20668.4-2007 Rubber Bearings Part 4: Ordinary Rubber Bearings
feature
It has the characteristics of simple structure, easy installation, steel saving, low price, easy maintenance, and easy replacement.
By sticking a layer of 1.5mm-3mm thick polytetrafluoroethylene plate on the surface of the plate support, a polytetrafluoroethylene sliding rubber support can be made. In addition to vertical stiffness and elastic deformation, it can withstand vertical loads and adapt to beam end rotation. Due to the low friction coefficient of the polytetrafluoroethylene plate, the beam end can slide freely on the surface of the PTFE plate, and the horizontal displacement is not limited. It is particularly suitable for bridges with medium to small loads and large displacement.
