Laminated Elastomeric Bearing Pads

FOB Price:	2.00 - 100.00 USD/Piece
Supply Ability:	10,000 Piece(s) per Month
Shipping:	sea, air, express
Payment Terms:	L/C, T/T, Western Union

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Product Details

Export Markets:	North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin:	Hebei in China
Packaging Details:	pallets

Quick Details

Brand Name: HRBY
material: NR, CR, EPDM, steel plates
color: black
Size: as customers' requriements
application: bridge support, cushion block
Model Number: 007
standard: EN, EU, ASTM

Specifications

Description

Elastomeric Rubber Bridge Bearing Pad is made of multilayer Neoprene/EPDM/natural rubber and sheet steel after inlay, conglutinate, vulcanization. It has enough vertical stiffness to support vertical load, and it could deliver the pressure of superstructure to abutment.

Application

Laminated elastomeric bridge bearings is finding ever increasing application in today's construction industry-as local load carrying components. It can be used for steel structures, pre-cast concrete structures, standard concrete slabs, etc. this type of bearing is particularly effective in the presence of camber and rotation causing high stress loading on the bearings. this type of bearings provide an excellent economic solution for applications where structure movements, longitudinal, transverse and rotational are small, provide vibration isolation and are generally simple to install.

Features

Our Plate Type Laminated Bridge Bearing has good elasticity to adapt to turning of beam end.

Elastomeric bearings bears and transmit vertical load & allows movement in any direction in the horizontal plane and allows rotation about any axis in horizontal plane.
3. It has bigger shearing deformation to content horizontal displacement of superstructure.
4. It has simple structure, easy installation, saving steels, low price, easy and convenient conservation and change and so on.

Technical performance:

Items		Index
Material		CR	NR	EPDM
Tensile Strength MPa (kgf/cm2)		17.0	18.0	15.0
Hardness (shore A)		605	605	605
at break %		400	450	350
TEnsile set at break %		25	25	25
Compression set %		15	30	25
TEnsile bond strength between rubber & steel plate MPa (kgf/cm2)		3.0	3.0	3.0
Brittleness temperature		-40	-55	-60
Constant compression deformation%(7022h)		25	25	25
Air aging	Testing Conditions h	10072	70168	10070
	Variation in hardness (shore A)	0-10	0-10	0-10
	Tensile StrengthChange rate (Mpa)	-10	-15	-10
	Elongation at break change rate %	-30	-20	-20
Ozone AgingIPPM30100h		No crack
Bending fatigue		No crack after bending 610 times

Item		Index
ULtimate compression strength Rd /MPa		60
Compression modulus of elasticity E1/ MPa		EE20E
Shear modulus of elasticity G1 / MPa		GG15G
Allows maximum shear deformation tg		0.7
Shear deformation produced by fast loading tg		0.25
Anti-sliding friction coefficient	against steel	0.2
	against concrete	0.3

Plate type bearings compression modulus of elasticity E

and bearing form factor S should be calculated as: E=5.4GS 2

E- plate bearing compression modulus, MPa

G - plate bearing shear modulus, MPa

S - plate bearing form factor

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