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Neoprene Bearings:1.The support at a bridge pier carrying the weight of the bridge
2.we have more than 4000 staff.
3.ISO,CE.
Sales Manager: Danny
Mobile Phone:0086 15075828982
Tel: +86 3187091666
Fax:+86 3187952199
Website: /
Companies: CHINA BAOLI GROUP
Address: No.1888 Heping West Road, Hengshui City, Hebei Province, China.
GJZ NR plate type elastomeric bearings:
This bearing is desirable for bridges. Pot bearing is economical due to simpleconstruction method and it is structurally more compact, light, and lower in construction height and long service life. The main part of bearing are sliding plate,alloy steel sliding surface, bearing pot, PTFE disc, pot cover, vulcanized-inpressure seal, elastomeric pad and seal against moisture.
The bearing is classified as three types: sliding guided type, free sliding bearing and fixed type.Dimensions and weights
for deviating permissible concrete pressures and unusual load conditions will be calculated on request. Depending on the area of application and country requirements pot bearings can be supplied in accordance with various
standards, e.g. DIN 4141, BS5400, AASHTO, JT391, etc .
GJZ NR plate type elastomeric bearings:The support at a bridge pier carrying the weight of the bridge; may be fixed or seated on.Good quality,Low price.
GJZ NR plate type elastomeric bearings
1. Structure and performance of GJZ NR plate type elastomeric bearings
GJZ NR plate type elastomeric bearings is sulfurized and stuck gether by several layers of rubber sheet and thin steel plate. It has sufficient vertical rigidity, and can reliably transfer the counterforce on the upper structures to pier platform; it has fine elasticity, and can adapt to the rotation of beam end; it has great shearing deformation capacity, and can satisfy the horizontal displacement of the upper structures.
Adhere a layer of 1.5mm to 3mm thick polytetrafluoroethylene plate on the surface of the above GJZ NR plate type elastomeric bearings , and polytetrafluoroethylene sliding Neoprene Bearing is formed. Besides vertical rigidity and
elastic deformation, able to endure vertical load and suit to the rotation of beam end, the beam end can freely slide on the surface of the tetrafluoro plate due to the low friction coefficient of the polytetrafluoroethylene plate, and the horizontal displacement is not limited; it specially suit to bridges with medium or low load and large displancement.
GJZ NR plate type elastomeric bearings not only has fine technical performances, but also has simple structure, low price, no maintenance, easy to change, buffering and shock is isolating, low building height, and other characteristics. Therefore, it is welcomed and widely used in bridges.
2.Applicability of GJZ NR plate type elastomeric bearings
2.1 GJZ NR plate type elastomeric bearing suits to bridges with span less than 30m and small displacement. Different
flat shape suits to different bridge span structures: orthogonal bridges adopt rectangular bearing; curvilinear bridges, obique crossing bridges and cylindrical pier bridges adopt circular bearing.
2.2
Tetrafluoro GJZ NR plate type elastomeric bearing suits to bridges with large span, several spans
in continuous, with simply supported beam and continuous plates strutures, and
large displacement. It can still be used as the sliding block in pushing of
continuous beam and cross sliding of T-shaped beam. The application of
rectangular and circular tetrafloro GJZ NR plate type elastomeric bearings are the same
with rectangular and circular general GJZ NR plate type elastomeric bearings.
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