Rubber bearing pad used for bridge

Details Images Product Description The laminated rubber bearing pads are made of several layers of natural rubber with reinforced steel inserted through sulfuration and adhesion. Laminated rubber bearings have enough stiffness and elasticity to transfer all load on bridge span structure to pier. Additional, it can bear the horizontal displacement, rotation and transformation caused by load.
The laminated rubber bearing pads can reduce the pier vibration and accommodate the horizontal movement on the bridge span structure caused by the temperature changing and thermal expansion.

Technical index			Neoprene Rubber	Natural Rubber
Hardness (IRHD)			60±5	60±5
Strength Tensile (Mpa)			≥17	≥18
Elongation at break (%)			≥400	≥450
Brittleness temperature (℃)			≤40	≤-50
Constant compression permanent deformation			≤15	≤30
Resistance to ozone aging test (test conditions，20% elongation,40℃×96h)			100ppmm	25ppmm
				No cracking	No cracking
Hot air aging test (The biggest change comparing with before aging numerical)	Test conditions (℃×h)	100×70	70×168
		Strength Tensile (%)	-15	-15
		Elongation at break(%)	-40	-20
		Variation in hardness(IRHD)	0，+10	-5，+10
Strength of rubber and steel Peel adhesive (KN/m)			>10	>10
Strength of four fluorine plate and rubber (KN/m)			>7	>7

Applications * Laminated bearing pad is suitable for the bridge which span is no larger than 30 m and needs little displacement.
* The rectangular laminated bearing pad is suitable for right bridge.
* Round laminated bearing pad is suitable for curved bridge, column pier bridge or skew bridge.
* Teflon laminated bearing pad is suitable for large span, multi-span continuous beam and simply supported beam and OTHER large displacement bridges. Features * Excellent accommodation for horizontal movement.
* Low friction coefficient.
* Absorb vibrations and isolate sounds.
* Easy to install.
* Completed products for suitable displacement requirements.
* Can be used in extremely low temperatures. Certifications Company Profile HENGSHUI JINGTONG RUBBER CO., LTD.
We are professional manufacturer and exporter of bearing pad. Based in Hengshui city and occupies more than 3000 square meter areas for large and tidy workshops. We have more than 50 sets of bearing pad production equipment for standard and accurate production according to industrial and international standards. More than 1000 skilled workers ensures efficient production and low production loss. Strict inspection system during and before loading ensures our superior quality. Experienced development and
research development can produce standardized and customized products to suit more customers’ requirements. Our products are widely praised by our customers from all over world. We are willing to supply and customize your own bearing pad products. Contact Us

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Product Categories : Seismic Isolation System Series > Elastomeric Bearing Pad