Elastomeric Bridge Bearing Pad Seismic Isolation High-Damping Bearing
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| Customization: | Available |
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| After-sales Service: | Installation Guide |
| Warranty: | 2 Years After Leaving The Factory |
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Basic Info.
- Model NO.
- JT12
- Certification
- GB
- Usage
- Beam Bridge, Highway Bridge, Railroad Bridge, Constructional Engineering
- Structure
- Laminated Rubber Bearing
- Material
- Rubber Bearing
- Activity
- Multi Direction Movable Bearing
- Product Name
- Lead Rubber Bearing
- Size
- Accept Customized
- Advantage
- Long Working Life
- Application
- Bridge , Building
- Feature
- Seismic Isolation
- Quality
- National Quality Standard
- Colour
- Customized
- Materials
- Rubber and Steel
- Transportation
- by Sea or as Required
- Use
- Bridges, Viaducts, Railways
- Transport Package
- Pallet
- Specification
- rubber and steel plate
- Trademark
- HengJingGong
- Origin
- China
- HS Code
- 4016999090
- Production Capacity
- 100set/Month
Packaging & Delivery
- Package Size
- 50.00cm * 50.00cm * 20.00cm
- Package Gross Weight
- 200.000kg
Product Description
Product Description
The Seismic Isolation Rubber Bearing is an advanced structural component widely used in buildings and bridges to mitigate the destructive effects of earthquakes, strong winds, and other dynamic loads on structures. This product is manufactured by alternately laminating thin steel plates and rubber layers, bonded together through high-temperature and high-pressure vulcanization. Its core principle is to effectively dissipate seismic energy by extending the structure's natural vibration period and increasing damping, thereby significantly reducing the seismic force transferred to the upper structure (isolating approximately 80% of the seismic force). This greatly enhances the structural seismic performance, protecting buildings and ensuring human safety.
Material
The bearing primarily uses Natural Rubber (NR) or specially formulated synthetic rubber (such as high-damping rubber). Internal thin steel plates serve as reinforcement skeletons to provide sufficient vertical stiffness and load-bearing capacity. Some models (e.g., lead-rubber bearings) incorporate a pure lead core plug at the center to offer higher damping and initial stiffness.
Function
*Effective Seismic Isolation: Extends the structural period to avoid the predominant seismic period, significantly reducing the seismic response of the upper structure.
*Energy Absorption: Efficiently dissipates seismic energy through hysteretic deformation (plastic deformation of the lead core or internal friction of high-damping rubber).
*Load Support: Provides high vertical load-bearing capacity and stiffness to stably support the weight of the upper structure.
*Displacement Adaptation: Allows significant horizontal shear deformation to accommodate movements caused by temperature changes, shrinkage, and other factors.
*Energy Absorption: Efficiently dissipates seismic energy through hysteretic deformation (plastic deformation of the lead core or internal friction of high-damping rubber).
*Load Support: Provides high vertical load-bearing capacity and stiffness to stably support the weight of the upper structure.
*Displacement Adaptation: Allows significant horizontal shear deformation to accommodate movements caused by temperature changes, shrinkage, and other factors.
Features
*High Damping Performance: HDR and LRB bearings can achieve an equivalent damping ratio of 10% to 20% or higher, offering remarkable energy dissipation.
*Self-Centering Capability: Exhibits excellent elastic recovery after earthquakes, minimizing residual structural deformation.
*Strong Durability: The product is resistant to aging, fatigue, and harsh weather conditions, with a long design service life comparable to that of the building structure.
*Eco-Friendly Design: HDR bearings do not use lead, avoiding heavy metal pollution and aligning with green building principles.
*Self-Centering Capability: Exhibits excellent elastic recovery after earthquakes, minimizing residual structural deformation.
*Strong Durability: The product is resistant to aging, fatigue, and harsh weather conditions, with a long design service life comparable to that of the building structure.
*Eco-Friendly Design: HDR bearings do not use lead, avoiding heavy metal pollution and aligning with green building principles.
Specification
Parameter Name | Unit | Specification Range |
Damping Ratio | % | ≥12 |
Load Capacity | kN | As per design requirement |
Vertical Stiffness | kN/m | As per design requirement |
Horizontal Stiffness | kN/m | As per design requirement |
Vertical Compression Deformation | mm | ≤10 |
Horizontal Deformation | mm | ≤30 |
Durability | - | Fatigue life over 20 million cycles |
Temperature Range | ℃ | -40 to +70 |
Installation
Product Details
Customer Visit
Packaging & Shipping
Company Profile
Hengshui Jingtong Rubber Co., Ltd., located in Hebei Province's Hengshui City, is a professional manufacturer of engineering rubber products. Our product range includes bridge bearings, expansion joints, water stop strips, water stop belts, inflatable cores, building deformation joint device and water plugs, which are widely used in bridge, tunnel, water conservancy, and power engineering projects. The company boasts advanced technology and mature processes to ensure reliable product quality.
We have a professional technical team and a comprehensive after-sales service system to ensure customers receive high-cost-performance products and attentive service. Hengshui Jingtong Rubber Co., Ltd. is committed to continuous innovation to meet market demands and looks forward to establishing long-term cooperative relationships with customers from both domestic and international markets.
FAQ
1. who are we?
We are based in Hebei, China, start from 2013,sell to Domestic Market(40.00%),Southeast Asia(23.00%),Africa(16.00%),North America(7.00%),South America(7.00%),Western Europe(7.00%). There are total about 51-100 people in our office.
We are based in Hebei, China, start from 2013,sell to Domestic Market(40.00%),Southeast Asia(23.00%),Africa(16.00%),North America(7.00%),South America(7.00%),Western Europe(7.00%). There are total about 51-100 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
Bridge Expansion Joint,Rubber Waterstop,Swelling Waterstop Strip,Seismic Isolation Bearing,Rubber Bearing Pad
Bridge Expansion Joint,Rubber Waterstop,Swelling Waterstop Strip,Seismic Isolation Bearing,Rubber Bearing Pad
4. why should you buy from us not from other suppliers?
1.More than 20 professional senior technical personnel.
2.There are 10 series,over 200 species and more than 2,000 specifications.
3.All products have been authenticated by the Ministry of Communications.
4.Self-research and development,professional.
1.More than 20 professional senior technical personnel.
2.There are 10 series,over 200 species and more than 2,000 specifications.
3.All products have been authenticated by the Ministry of Communications.
4.Self-research and development,professional.
5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,FAS,CIP,FCA,CPT,DEQ,DDP,DDU,Express Delivery,DAF,DES;
Accepted Payment Currency:USD,CNY;
Accepted Payment Type: T/T,L/C,Credit Card,PayPal,Western Union,Cash,Escrow;
Language Spoken:English,Chinese
Accepted Delivery Terms: FOB,CFR,CIF,EXW,FAS,CIP,FCA,CPT,DEQ,DDP,DDU,Express Delivery,DAF,DES;
Accepted Payment Currency:USD,CNY;
Accepted Payment Type: T/T,L/C,Credit Card,PayPal,Western Union,Cash,Escrow;
Language Spoken:English,Chinese
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