Structural Bridge Bearing for Construction

• Customization: Available
• Surface Treatment: No
• Technics: Vulcanizing
• Type: Laminated Layer
• Design Vertical Load: 1000-70000kn
• Longitudinal Displacement: +/-250mm
• Transversal Displacement: +/-250mm
• Structure: Laminated Rubber
• Activity: Multi Direction Movable Bearing
• Usage: Beam Bridge, Highway Bridge, Railroad Bridge
• Transport Package: as Request
• Specification: AASHTO
• Trademark: Haider
• Origin: China
• HS Code: 4016999090
• Production Capacity: 1, 000, 000 PCS/Year

Product Description

Structural Bridge Bearing for Construction

We manufacture many types of pot bearings - including fixed pot bearings, sliding guided pot bearings and free sliding pot bearing

The basic elements of a Pot Bearing consists of a shallow cylinder, known as pot, an elastomeric pad known as disc,a single or set of sealing rings, piston and sliding surfaces. Masonry plates and base plates are common for the installation of pot bearings, as they allow attachment of the bearings and increase the support area on the pier and abutment. Pot bearings are fixed against all translation unless they are used with a PTFE sliding surface.

Advantages of Pot bearings:
Pot bearings are usually recommended when bearing rotations are large, compact designs and long term servesability are required.

Pot bearings provides longer service life compared to elastomeric bearings.
Smaller in size compared to elastomeric bearings.
Longer maintenance time.

Pot bearings can sustain many cycles of very small and large rotations.
Economical repair as replacement of elastomer disc only.
Does not get effected by external atmospheric correction.

Additional fixtures for Pot Bearings:
We also offer additional fixtures for installation of pot bearings like temporary bearings, PTFE sliding bearings, studs, base plates, masonry plates with welded studs etc and will be happy to receive your complete requirements.


 

Standard		JT/T4-2004		BS5400 Section 9.2
Rubber		Natural Rubber	Neoprene CR	Natural Rubber	Neoprene CR
Hardness(IRHD)		60±5	60±5	50±5/60±5/70±5
Tensile Strength (M Pa)≥		18	17	17	15.5
Ultimate Elongation (%)≥		450	400	450/400/350	400/350/300
Compression Set		70 o C×22h		70 o C×22h	100 o C×22h
		<30	<15	<30	<35
Heat Resistance	Test Condition	70 o C×168h	100 o C×70h	70 o C×168h	100 o C×48h
	Change in Hardness	-5,+10	0,+10	<10	<15
	(IRHD)
	Rate of Tensile Strength Reduction(%)	<15		<15
	Rate of Ultimate	<20	<40	<20	<40
	Elongation Reduction
	(%)
Ozone Resistance		25~50pphm,20% strain		25~50pphm,20% strain
		40 o C×96h		30 o C×96h
		No Cracks		No Cracks