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High quality and multi function used rubber bearing pad for bridge

High quality and multi function used rubber bearing pad for bridge

Brand Name : MING CROWN
Model Number : OEM
Certification : ISO9001
Place of Origin : CHINA-HEBEI-HENGSHUI
MOQ : 10pcs
Price : USD5.2-199/meter
Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability : 20000pcs/month
Delivery Time : 7-30days after payment
Packaging Details : PE film and on pallet or according to the customer's requirment.
Product name : rubber bearing pad
Material : NR,CR, EPDM, and steel
Type : Ordianry and Teflon laminated rubber bearing
Color : Black
Shape : rectangular and circular
Feature : elastomeric/ laminated reinforced/ damper absorption
Function : chemical corrosion resistance, UV resistance, anti-aging
Application : Railway, highway, municipal road, light rail traffic construction
Certificate : ISO9001
Size : Custom Size
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High quality and multi function used rubber bearing pad for bridge


1.Classification according to the structure from it is divided into

A. Ordinary laminated rubber bearing is divided into rectangular laminated rubber bearing (code GJZ) and circular laminated rubber bearing (code GYZ)
B. Teflon slide type rubber bearing is divided into rectangular Teflon slide type rubber bearing (code GJZF4) and circular Teflon slide type rubber bearing (code GYZF4).
2.Classification according to the bearing material and the application temperature it is grouped into
A.Normal temperature rubber bearing should be produced by nitrogen butyl rubber(CR), the suitable temperature is -25℃- 60℃, shall not substitute natural rubber for chloride butyl rubber, also does not allow to blend natural rubber in chloride butyl rubber;
B. Cold-resistance rubber bearing should be producted by natural rubber(NR), the suitable temperature is -40℃- 60℃.


3. Size: Customizes

4. Standard: JTGD62-2004 and JTGD62-2004

5. Certification: ISO9001


6.Bearing Structure



7.Warehouse


Application

It is widely used in road, bridge,tunnel,etc.


7.Announcements

The installation method of the Teflon laminated is bearing is basically the same as that of the ordinary laminated bearing, but the following matters should be paid attention to :

1. The Teflon laminated rubber bearing is used for movable bearing, should be used

together with normal laminated rubber bearing (as fixed bearing).

2. The Teflon laminated rubber bearing shall be installed carefully. Bearing should support the center accurately according to the design. Top surface of Beam bottom steel plate and bearing pinner (or underneath steel plate) should maintain parallel and smooth as much as possible, closely attached with the surface and undersurface of the bearing ; Each bearing of the same beam is on the same plane, bearing’s eccentric compression, uneven supporting and individual disengaging should be avoided.

3. If any problem is found and need to be adjusted after installation of the Teflon bearing , props up the end of a beam first, then completes the adjustment through filling resin mortar between the bottom of the Teflon bearing and bearing pinner (or underneath steel plate ).

4.”5201 silicone grease” that is not volatile should be brushed as a lubricant in the oil storage pits of a bearing’s Teflon bearing plate during installation to reduce the friction coefficient.’

5. Any damage and broom-finish is not allowed on the stainless steel surface contacted with Teflon plate in order to prevent increasing the coefficient of friction and damage the Teflon plate.

6. When palling a beam, in order to prevent the beam and bearing slip longitudinally or transversely, a wooden triangle block should be put within both sides of the beam body for positioning and be removed after completing the beam falling work;

7. In order to prevent the lateral sliding of the beam body (upper structure), skid resistance blocs should be set on both ends of the bearing or the upper structure.

8.The position of bearing and stainless steel plate should be determined according to the temperature during installation. If the stainless steel plate is sufficiently long then the bearing and the stainless steel plate should be installed based on their center distance in the spring and autumn in any season.


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