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Seismic Isolator Lead Rubber Bearing

Basic Info

Model No.:  dimension 100-1200mm

Product Description

Model NO.: dimension 100-1200mm Material: Neoprene Trademark: Dacheng Specification: As Drawing Requests HS Code: 12453265 Usage: Infrastructure Construction Materials: Rubber with Steel Transport Package: in Pallets or Wooden Cases Origin: China The description of isolation bearings
 
Lead rubber bearing is based on general laminated rubber bearings,pouring the lead into the bearing
center, which is a seismic bearing damping performance improvement of rubber bearings. By changing
the lead core section size of the bearings, lead rubber bearing can change the effective level of
equivalent stiffness and equivalent damping ratio.  
Our production capacity is not limited to this, please send your requirements to us.


Seismic Isolator Lead Rubber BearingSeismic Isolator Lead Rubber Bearing

The advantage of isolation bearings
 
1.Stiff and strong in vertical direction but flexible in horizontal direction.
2.Allow the buildings to retain their original shapes and position owing to the high elastic force of rubber.
3.Capable to adjust damping amount just by changing the number of lead plugs.
4.Excellent vertical load capacity ranging from 5 tons to 2000 tons.
5.Reduce the ground acceleration by extending the structure vibration period.
6.High durable and elasticity of the rubber part - not suffer any damages during and after earthquake.
7.Easy to install without a separated damper.
8.Low maintenance.
9.Stable bilinear behavior.

Seismic Isolator Lead Rubber Bearing

Technical parameter
 Vertical bearing capacity: 204kN -21206kN
 Design angle: 0.006rad and 0.008rad
Equivalent damping ratio: >10%
Bearing displacement: sliding type bearing along the bridge to the design displacement of two kinds of 100mm and 150mm, the transverse bridge to the design displacement is + 30mm; fixed type normal design shear strain is 1, the earthquake is 2
Friction coefficient: friction coefficient of sliding bearing design is 0.03
Applicable temperature range: -40ºC -60ºC


As your request, the lead rubber bearing can be manufactured in rectangular or round shapes. Custom
sizes and designs are also welcomed.
 
Q :
Where is the lead rubber bearing used to?
 
A:The product has been successfully used in a broad range of applications which include: bridges,
viaducts, high rise buildings, stadiums and dams.  

Q :
What is the good successful case of the isolation bearing?
 
A:In fact, as early as the mid-1990-s, building isolation rubber bearing showed its excellent isolation
performance. The region of an earthquake, Osaka and kobe, Japan is the real one. On January 17, 1995,
Japan kobea 7.2 -magnitude earthquake, caused the shocking heavy losses. In the earthquake,35 
kilometers from the epicenter of the west of the men in the post office base isolation technology has
played a very good isolation damping effect, it is in the field of earthquake hazard level has reached the
degree of 7 (equivalent to China's earthquake intensity of 9~10 degrees), in the earthquake and after the
earthquake, the whole building is as usual.

Seismic Isolator Lead Rubber BearingSeismic Isolator Lead Rubber Bearing

Our abilities are not limited to this, please contact us to get to know more informaitons !Contact information
Sales Manager:   Ms Jenny Lee
Mobile Phone:    +86-18678456530
Tel:                       86-318-8538202
Fax:                      86-0318-2210707
Website:              www.zqdcrubber.com
Companies:       Zaoqiang Dacheng Rubber Co.,Ltd.

Contact us if you need more details on Lead Rubber Bearing. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Seismic Isolation、Bridge Bearing. If these products fail to match your need, please contact us and we would like to provide relevant information.

Product Categories : Seismic Isolators > Lead Rubber Bearing

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