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Attaining maximum level of clients' satisfaction, our company has positioned itself as a well known supplier of Neoprene Bearing Pads. These are designed to be placed under pre-cast concrete beams & steel beam of buildings and bridges to provide a uniform transfer of load from beam to substructure. In addition, our Neoprene Bearing Pads cushion impact, shock and vibration. Our vendors design these pads at their state of the art machining facility by using quality approved materials and modern technology.
Features:
Bridge rubber bearings are essential components in bridge construction, designed to support and facilitate movement. Here are their key features:
Load Support: They carry the weight of the bridge and traffic loads, transferring these forces to the piers or abutments.
Elasticity: Rubber bearings allow for expansion, contraction, and rotation due to temperature changes and traffic, helping maintain the bridge's alignment.
Shear Flexibility: They can accommodate horizontal movements, which is crucial in areas prone to seismic activity.
Low Friction: Some have a low-friction surface, enabling smooth lateral movement of the bridge.
Durability: Made from weather-resistant materials like neoprene, they are built to last.
Minimal Maintenance: They require less upkeep compared to steel bearings but may need replacement over time.
Simple Construction: Typically made from layers of rubber and steel plates, they provide strength and flexibility.
Cost-Effective: Generally cheaper than steel bearings, especially for smaller bridges.
Shock Absorption: They help reduce the impact of dynamic loads, enhancing the bridge's stability.
These features make rubber bearings vital for ensuring the safety and longevity of bridges.
Further Details:
Neoprene Pad allows beam rotation at the bearing due to deflection of the beam under load. They further allow lateral and longitudinal movement of the beam caused by thermal forces.
Neoprene pads have no moving parts and thermal expansion and contractions are observed by the pads enable to give and take in shear. There is no solid motion between pad and beam or between pad and abutment.
Applications:
(1)Construction of flyovers.
(2)Machinery and pumps.
(3)Short-span bridges.
(4)Prefabricated structures.
(5)Leveling pads for girder bridges.
(6)Support commercial and industrial buildings.
(7)Petrochemical and power plants.
Details:
(1)Material: natural rubber, neoprene and others as your request.
(2)Thickness: 1/8" to 30" or custom thickness.
(3)Width: 36" to 48" or custom widths.
(4)Shapes: rectangular, square or round
(5)Hardness: 50 to 70 durometer complying with AASHTO.
(6)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 |
Hengshui Jingtong Engineering Rubber Co., Ltd. founded in 1983, is a specialist for manufacturing and exporting bridge bearings. Now we are one of the biggest supplier in China and our products has exported to the US, Korea and some European countries.
To meet different needs of our customer, our company can supply varies types of bridge bearings including laminated elastomeric bearing, PTFE top bearing, elastomeric bearing with steel plate, plain elastomeric bearing, pot bearing, spherical bridge bearing, disc bridge bearing, lead rubber bearing, high damping rubber bearing and rocker bearing.
We believe that the quality of product is the most important thing and determines the market of bridge bearings. All bridge bearings are manufactured under strict quality control to make sure that the products will satisfy our customers.
To suit your specific scheme, custom bridge bearings are also available as your designs, materials and sizes. So if you want to make a custom order, don't forget to enclose your design drawing, sizes and standards.
Certification
Our products are manufactured in accordance with all of the international standards, including BS EN1337, AASHO, KS4424, ISO, etc. Bridge bearing complying with custom standards can also be supplied by our company.
Quality products
We select the best rubber, steel and stainless steel as our raw materials for manufacture of bridge bearing, and all of the products are through strict quality test to ensure our products will meet even exceed the customers' expectation.
Excellent corrosion protection
Steel components exposed to the air are corrosion protected through a series of treatments, such as sandblast treatment, galvanization, epoxy painting or other custom coatings.
Comprehensive labelling
All bearings are enclosed with labels about detail properties of products including bearing type, maximum horizontal & vertical loads, rotation & movements directions, date of manufacture or others as your requests.
Related Products:
There are ten main types of bridges bearings are supplied to meet your different needs. Some specific designs are also available as your request.
Laminated elastomeric bearing is manufactured through the process of vulcanization and moulding to form a homogeneous unit with layers of steel plated embedded in. Comparing with plain elastomeric bearing, this one has higher vertical load capacity, excellent vibration and sound isolation. It is ideal for bridges with short span and flyovers, etc.
PTFE top elastomeric bearing, a variation of traditional laminated elastomeric bearing, features a layer of PTFE bonded to top surface of the bearing. In conjunction with lubricant in the dimples of PTFE, the bearing allows for excellent sliding movements with reduced friction coefficient.
Elastomeric bearing with steel plate is reinforced with outer steel plates vulcanized directly onto the surface of rubber pad. It can be manufactured with holes or pins for easy fastening. They are ideal for in-situ concrete structure, metal structures and anti-life device, etc. To suit your scheme, six types can be provided by our company.
Plain elastomeric bearing with the simplest structure among all bearing products is exclusively manufactured from natural rubber or neoprene rubber. It is considered to be a low cost choice for short span bridges, prefabricated structures, buildings as well as flyovers, etc.
Pot bearing, is the widest used type designed for structures using the incremental launching methods, highways and railways, etc. PTFE top elastomeric bearing is fitted in the steel pot plate to ease the sliding movements with the help of a stainless steel panel welded on top steel plate.
Spherical bridge bearing features its precision-machined steel plates with concave ad convex surfaces. And it can accommodate large movements and rotations in excess of +/- 0.03 radians. Spherical bridge bearings can be applied to structures with large turning angles, wide and curved bridges regardless of low temperatures even under -30ºC.
Disc bridge bearing features polyurethane disc with excellent chemical resistance, corrosion resistance regardless of various environmental influences. It can bear higher stress than traditional pot bearing and transfer shear forces owing to its threaded shear pin.
Lead rubber bearing, as its name implies, has a lead plug in the middle of the bearing that will assist the bearing to absorb earthquake-generated forces, extending the structure vibration period. In this way, lead rubber bearings protect buildings or structures from damages and severe deformations caused by earthquake.
High damping rubber bearing, manufactured from quality rubber with great damping ability and high durability, is also a seismic isolator similar to lead rubber bearing without the central lead plug.
Rocker bearings, with stainless steel pins are capable to absorb living load, constant load, compression and shear forces by providing stable movements and rotations. With high earthquake-proof property, it can be applied to areas with high seismic intensity up to 9 degrees.
Warranty
Year warrantly
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