The working principle and structural characteristics of plate rubber bearings
The main function of the plate rubber bearing is to reliably transmit the reaction force of the superstructure to the pier, and at the same time, it can adapt to the deformation (horizontal displacement and angle) required by the beam structure. According to these requirements, the plate rubber bearing has sufficient stiffness in the vertical direction to ensure that the bearing will produce small deformation under the maximum load; the rubber bearing has a certain degree of flexibility in the horizontal direction to adapt to the braking force of the beam. , temperature, shrinkage, creep of concrete and load effects, etc., while the rubber bearing also adapts to the rotation of the beam end.
The plate rubber bearing is made up of several layers of rubber sheets and high-quality steel plates. The main function of the steel plate is to limit the lateral deformation of the rubber to increase the vertical stiffness. Each layer of rubber sheet and steel plate are firmly bonded together through pressure vulcanization.
Plate rubber bearings have the characteristics of simple structure, easy installation, low price, convenient maintenance, easy replacement, and low cost. The plate rubber bearing has a low building height, which is beneficial to bridge design and cost reduction, and has good isolation and shock absorption effects. It can also reduce the impact of dynamic loads on the bridge structure and piers.
Plate rubber bearing: Plate rubber bearing is a common bridge bearing. It is made of rubber material and has the characteristics of good elasticity, large load-bearing capacity, and anti-vibration. In addition, it is wear-resistant, weather-resistant, corrosion-resistant and can adapt to various harsh environments. The bearing is mainly used to bear the vertical load and shock absorption on the bridge. When the bridge is carrying a load, the elasticity of the bearing can buffer the load and transfer it to the bridge beam, reducing stress concentration and protecting the bridge beam from excessive load. When an earthquake occurs, the elastic properties of the plate rubber bearing can absorb shock. Disperse earthquake energy and improve the earthquake resistance of bridges.
The steps for installing plate-type rubber bearings are as follows:
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Preparation: Check whether the size and specifications of the rubber bearing and the basic bearing match, and ensure that the rubber bearing is intact.
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Clean the foundation: Clean the surface of the foundation support to ensure there is no dust, oil or any debris.
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Installation positioning: Determine the position of the support according to the design requirements and drawings, and use anchor bolts or other fixing devices to fix the foundation support to the foundation.
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Install the plate rubber bearings: Place the rubber bearings on top of the foundation bearings, making sure the bearings are aligned with the fixture.
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Leveling: Use a spirit level or other tool to level the rubber bearings so they are flush with adjacent structures.
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Fix the rubber bearing: Use steel bolts or other fasteners to secure the rubber bearing to the foundation bearing to ensure that the bearing is stable and securely fastened.
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Verify installation: After completing the installation, carefully check that the rubber mounts are installed correctly and make sure they are in the proper position and do not have any damage.
Hebei Shangze, as a professional plate rubber bearing manufacturer, has always been committed to providing high-quality products and excellent services. Before shipping, we will carefully check the quantity and quality of the goods, and use the most convenient and reliable packaging method to ensure the safety of the products during transportation. At the same time, we will provide full tracking service, if you have any problems or questions during the transportation, please feel free to contact us. Every customer’s order is very important to us and we will make every effort to ensure your satisfaction.
Thank you again for your support and we look forward to establishing a long-term cooperative relationship with you.
Hebei Shangze Rubber and Plastic Products Co., Ltd. is a modern enterprise integrating the R&D, production and sales of rubber and plastic products. The company is located in the High-tech Zone, Hengshui City, Hebei Province, in the southeast of Hebei Province, in the hinterland of the North China Plain, with Bordering Beijing, Tianjin, and Shijiazhuang, and close to the national arteries Beijing-Kowloon and Shijiazhuang Railway, the transportation is very convenient. The company mainly produces steel skeleton composite pipes, pile foundation acoustic pipes, prestressed corrugated pipes, plastic corrugated pipes, silicon core pipes, steel fiber series, drainage pipes, bridge guardrail brackets, bridge bearing deceleration and isolation products, and expansion joint devices. products, waterstop products, waterstop strips and other products. Each series of products can be processed and manufactured according to drawings. The company has advanced technology, sophisticated equipment, assembly line operations, and excellent product quality.
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Bridge bearings are important structural components in bridge engineering and play the role of supporting the bridge, distributing loads, absorbing shock, and adjusting the position of the bridge. The following is a detailed description of the characteristics and functions of these bridge bearing products:
Plate rubber bearing: Plate rubber bearing is a common bridge bearing. It is made of rubber material and has the characteristics of good elasticity, large load-bearing capacity, and anti-vibration. In addition, it is wear-resistant, weather-resistant, corrosion-resistant and can adapt to various harsh environments. The bearing is mainly used to bear the vertical load and shock absorption on the bridge. When the bridge is carrying a load, the elasticity of the bearing can buffer the load and transfer it to the bridge beam, reducing stress concentration and protecting the bridge beam from excessive load. When an earthquake occurs, the elastic properties of the plate rubber bearing can absorb shock. Disperse earthquake energy and improve the earthquake resistance of bridges。
Basin bearing: Basin bearing is also a commonly used bridge bearing. It adopts a basin-shaped structure and is connected to the bridge deck through rubber gaskets. The support has the characteristics of simple structure, convenient construction and low cost. The basin bearing can adapt to the deformation and temperature changes of the bridge, is durable, has stable load-bearing, and is widely used in bridge engineering. Its function is to support the bridge and reduce the stress concentration on the bridge. When vehicles pass through the bridge, the basin bearings can disperse the load and transfer it evenly to the bridge beam, protecting the bridge structure from excessive loads. In addition, the basin bearing can also adjust the horizontal position of the bridge to ensure the stability of the bridge.
Spherical bearing: The spherical bearing is a special structure bearing. It adopts a spherical structure and has rolling performance in multiple directions. Spherical bearings are mainly used to support long-span bridges or complex-shaped bridges. Because the spherical bearing can roll in multiple directions and adapt to different deformations of the bridge, it can effectively disperse the load and reduce the stress concentration on the bridge. In addition, spherical bearings can also improve the seismic performance of bridges. When an earthquake occurs, the rolling performance of the spherical bearing can absorb shock, disperse earthquake energy, protect the bridge structure, and improve the bridge’s earthquake resistance.
Embedded plate: Embedded plate is a special structural support. It is embedded in the bridge body in advance during the bridge construction process to achieve the function of fixing and supporting the bridge. Embedded panels have the characteristics of large load-bearing capacity, stable structure, safety and reliability. It ensures the safety and stability of the bridge. Under the action of bridge load, the strong bearing capacity of the embedded plate bearing can evenly transfer the load to the bridge beam body, protecting the bridge structure from excessive load. In addition, the embedded plate supports can also maintain the stability of the bridge under different deformation conditions and ensure the normal use of the bridge.
Slope Controller: A slope control device is a device used to adjust the inclination angle of the bridge’s contact surface. The slope regulator can maintain good contact between the bridge and the contact surface and convert non-uniform deformation into uniform deformation, thereby reducing the stress concentration and deformation of the bridge. Under the load of the bridge, the function of the slope regulator is to adjust the distance between the bridge and the contact surface to ensure that the contact surface between the bridge and the support is in the best condition.
By using these bridge bearing products, the load-bearing capacity of the bridge can be effectively improved, the stress concentration of the bridge can be reduced, the seismic performance of the bridge can be improved, and the safety and stability of the bridge can be ensured. These products play an important role in bridge engineering and provide reliable support and guarantee for the construction and use of bridges. As an e-commerce sales expert, you can promote these bridge bearing products to customers by promoting the features and functions of the products, select appropriate bearings for them, and ensure the quality and performance of the bridge.
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