Roulement en caoutchouc stratifié par PTFE du fournisseur de la Chine
Informations de base
Modèle: 400*400*54 mm or custom
Description du produit
Numéro de modèle: 400 * 400 * 54 millimètres ou coutume Matériel: Caoutchouc naturel ou néoprène ou EPDM Taille: De 100mm à 1000mm Dureté: 45-70 Marque déposée: Jianfeng Spécifications: 450 * 400 * 99 millimètres ou coutume Code de HS: 4003000000 Utilisation: Construction d'infrastructure, Pont, Autoroute Forme: Rectangle et Certificat circulaire: ISO9000 Module de traction: 15-20 Paquet de transport: dans la palette ou caisse en bois Origine: Ville de Hengshui, province de Hebei, Chine (continentale)
\ n \ n Informations de contact \ n Directeur des ventes: Miss Anna Lee \ n Téléphone portable: + 86-15132836877 \ n Tél: 86-318-5106277 Fax: 86-0318-5106277 Site Web: www.Prolianz.Com Société: Hengshui Jianfeng Ingénierie Rubber Co., LTD.
I Basic information of rubber bridge bearing | |||
Plain elastomeric pads | Steel Laminated Elastomeric Bearings |
PTFE Sliding Elastomeric Bearing pads |
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Live Load | 110KN | 1200KN | 1200KN |
Dead Load | 200KN | 2400KN | 2400KN |
Longitudinal Translation |
±6mm | ±100mm | ±200mm |
Rotation about Transverse Axis |
Negligible | 0.015radians |
0.05radians accommodated by Elastomeric bearing |
II Introduction of rubber bridge bearing |
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Natural Rubber bearing generally consists or interleaving layers of rubber bonded sandwich fashion to steel plates.The whole unit is covered with rubber to afford weather protection. A bridge basically consists of bridge deck supported by piers.In order to avoid over stressing and Damage by movements of vehicle and loading to the piers, bridge bearings are used to accommodate these movements so as to reduce the reaction forces and bending movement to within the safety limits of structure.Natural Rubber is an ideal engineering material for bridge bearings as it is highly elastic and sufficiently soft to accommodate these movements without transmitting harmful stress and also it can absorb and isolate energies from impacts and vibrations. |
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III Types of rubber bridge bearings |
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Three Non-Reinforced elastomeric pad Laminated elastomeric bearing pad Elastomeric Bearing Components- Sliding Desig |
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IV Advantage and performance of rubber bridge bearing |
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1 Fine technical performance 2 simple structure 3 low price 4 no maintenance 5 easy to change 6 buffering and shock isolating 7 low building height Elastomeric rubber bridge bearings shall be composed of multiple laminates of elastomeric material separated by steel reinforcing the overall size of the bearings the number of laminates and thickness of laminates are designed in accordance to the requirement of load to be transferred.Bearings having steel plates as reinforcement shall be cast/compression molded / vulcanized as single unit in a mold under pressure and heat. |
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V Application temperature of rubber bridge bearing |
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Natural Rubber : applicable temperature -40° C~50° C. Neoprene Rubber: applicable temperature -25° C~60° C. Normally, The rubber material for elastomeric bearings are requestedto used in different areas,sometimes in different projects. |
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VI Manufacturing Process of rubber bridge bearing |
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• Preparation of rubber compound according to specification required • Preparation of steel plates • Application of bonding agent to steel plates • Assembly of compound and plates • Compression moulding • Performance Test • Ready for installation |
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VII Testing of Neoprene Bridge Bearings |
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In house Quick Production Test of all bearings shall be done at Clients/Representative presence.Tests confirming to AASHTO specification in accordance with Acceptance Testing on either Level I or Level II or Short/Long-Duration Compression Test up to 10000 kN with horizontal shear up to 600kN can be carried out in our facility.Test specimens shall be in accordance with ASTM D 3182 or D 3183.Where test specimens are cut from finished product, a 20 percent variation from the original physical properties is allowed.3rd party witnessing of these tests are also done in our facility as there are no independent laboratory in middle east with such capabilities. | |||
(Important you need) Laminated Bearing designing: |
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Our technical and design team can design right type of bearing based on loads provided design bearing for end applications.On receipt of corbel size, load and movement details of requirements, calculations and bearings sizes can be provided based on results on parameters . |
Groupes de Produits : Série de roulement de pont > Roulement de pont en élastomère
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