Seismic Isolation Bearing Used for Building and Bridge Lrb/Lnr/Hdr Rubber Bridge Bearing Natural Rubber Bridge Elastic Bearing
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Product Details
| 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.
- HDR
- Certification
- GB, BS, ASTM
- Usage
- Beam Bridge, Highway Bridge, Railroad Bridge
- Structure
- High Dampling Bearing
- Material
- Natural Rubber, Neoprene , Steel Plate
- Activity
- Multi Direction Movable Bearing
- Color
- Orange, Grey and Other Customized
- Shape
- Rectangular and Round
- Shear Modulus
- 0.8 MPa, 1.0 MPa, 1.2 MPa.
- Working Temperature Range
- -25 to +60
- Rad
- 0.006 Rad and 0.008 Rad
- Transport Package
- on The Pallet with PE Film
- Specification
- 200*200*100mm
- Trademark
- HengJingGong
- Origin
- Made in China
- HS Code
- 4016999090
- Production Capacity
- 1000 Sets / Month
Packaging & Delivery
- Package Size
- 30.00cm * 30.00cm * 15.00cm
- Package Gross Weight
- 30.000kg
Product Description
Product Description
High Damping Rubber Bearing – Fixed and Sliding Types for Large Displacement
High damping rubber bearing, also called HDR bearing pad, is one of seismic isolation bearing. It has excellent seismic isolation performance to effectively reduce the bridge damage caused by earthquake.
High damping rubber bearing, also called HDR bearing pad, is one of seismic isolation bearing. It has excellent seismic isolation performance to effectively reduce the bridge damage caused by earthquake.
HDR bearing pad is composed of specialized designed rubber with high damping performance, sandwiched together with steel plate layer. When installing, the high damping rubber bearing is commonly used with top and bottom steel plate and connection accessories.
Working principle
During earthquake, the vibration from various directions will impact fixed base building and results in deformation and building or bridge damages. The high damping bearing pad is improved through high damping material, which the damping ratio can approach to 15% to 18%.
When the earthquake comes, the high damping rubber bearing will increase the horizontal displacement through rubber shear deformation and reduce friction coefficient. The large displacement can weaken the vibration from all direction and reduce the damage of building and bridges.
Joint structure
*The HDR (Ⅰ) rubber bearing. It is designed with top and bottom embedded steel plate. And the rubber bearing is connected with pier and beam by sleeve. The top and bottom loading plate is connected with sleeve by anchor bolt. The top and bottom embedded steel plate is connected with sleeve by welding.
*HDR (Ⅱ) rubber bearing. It is designed with top embedded steel plate and without bottom embedded steel plate. The bottom loading bearing is connected with sleeves with anchor bolts. The top embedded steel plate is connected with top loading plate with shear tenon. And the top embedded steel plate is connected with sleeve by welding.
HDR (Ⅰ) rubber bearing.
HDR (Ⅱ) rubber bearing.
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
Type
Product Details
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 esta blishing long-term cooperative relationships with customers from both domestic and international markets.
FAQ
1.When can I get the quotation?
A:We usually quote within 24 hours after we get your inquiry.
A:We usually quote within 24 hours after we get your inquiry.
2.How long can I expect to get the sample?
A:The samples will be ready for delivery in 5-10days. The samples will be sent to you via express and arrive in 5-7days.
A:The samples will be ready for delivery in 5-10days. The samples will be sent to you via express and arrive in 5-7days.
3.How long is the delivery time
A:Usually 10-15 days, depending on the quantity purchased.
A:Usually 10-15 days, depending on the quantity purchased.
4.How can I get a sample to check your quality?
A:After negotiating the price, we will provide you with samples for testing.
A:After negotiating the price, we will provide you with samples for testing.
5.what can you buy from us?
Bridge Bearing Pad,Seismic isolation bearing,Expansion Joint,Rubber Inflatable Airbag,Waterstop Belt/Strip,Steel Expansion Joint,Butyl Tape
Bridge Bearing Pad,Seismic isolation bearing,Expansion Joint,Rubber Inflatable Airbag,Waterstop Belt/Strip,Steel Expansion Joint,Butyl Tape
6.What's payment term?
A:T/T, L/C at sight, Western Union
A:T/T, L/C at sight, Western Union
7. Do we have quality guarantee?
Of Course!
--from raw material to manufacturing, we have rigid quality control.
--before delivery, we have strict quality inspection.
--Third party inspection is also available at your request.
--We also have ISO, CE certificates.
Of Course!
--from raw material to manufacturing, we have rigid quality control.
--before delivery, we have strict quality inspection.
--Third party inspection is also available at your request.
--We also have ISO, CE certificates.
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