Service Loading Seismic Lead Rubber Bearing (LRB)

Product Details
Customization: Available
After-sales Service: Installation Guide
Warranty: 2 Years After Leaving The Factory
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  • Service Loading Seismic Lead Rubber Bearing (LRB)
  • Service Loading Seismic Lead Rubber Bearing (LRB)
  • Service Loading Seismic Lead Rubber Bearing (LRB)
  • Service Loading Seismic Lead Rubber Bearing (LRB)
  • Service Loading Seismic Lead Rubber Bearing (LRB)
  • Service Loading Seismic Lead Rubber Bearing (LRB)
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  • Overview
  • Product Description
  • Packaging & Shipping
  • Product Parameters
  • Company Profile
  • Why choose us
  • FAQ
Overview

Basic Info.

Model NO.
JT152JW
Usage
Beam Bridge, Highway Bridge, Railroad Bridge, Building, Building
Structure
Laminated Rubber Bearing
Material
Steel Bearing, Rubber and Steel
Activity
Multi Direction Movable Bearing
Rolling Body
Roller Bearings
The Number of Rows
Multi-Column
Spherical
Non-Aligning Bearings
Outer Dimension
Customization
Name
Service Loading Seismic Lead Rubber Bearing (Lrb)
Leading Time
15days
Top Plate Shape
Square/Circle
Print Stanard
ISO Print Standard
Steel Plate Thickness
22-25mm
Customized
Customized
Transport Package
with Film on Pallet
Specification
CE, ISO
Trademark
HENGJINGGONG
Origin
China
HS Code
40169990
Production Capacity
10000 PCS Per Year

Packaging & Delivery

Package Size
15.00cm * 15.00cm * 25.00cm
Package Gross Weight
20.000kg

Product Description

Product Description

Isolators Base made in China Seismic Isolator Base for construction made in China seismic Lead rubber bearing for construction buildingService Loading Seismic Lead Rubber Bearing (LRB)

Lead core rubber bearing,applied to building and bridge constructions, is a practical and cost-effective choice for seismic isolation. It is composed of laminated elastomeric bearing pad, top and bottom sealing & connecting plates and lead plug inserted in the middle of the bearing as shown in the following picture.

Features:

Stiff and strong in vertical direction but flexible in horizontal direction.Absorb earthquake-generated force by changing the bearing's shape.Allow the buildings to retain their original shapes and position owing to the high elastic force of rubber.Capable to adjust damping amount just by changing the number of lead plugs.Excellent vertical load capacity ranging from 5 tonf to 2000 tonf.Reduce the ground acceleration by extending the structure vibration period.High durable and elasticity of the rubber part - not suffer any damages during and after earthquake.Easy to install without a separated damper.Low maintenance.With stable bilinear behavior shown as the above picture.
Service Loading Seismic Lead Rubber Bearing (LRB)
Service Loading Seismic Lead Rubber Bearing (LRB)
 
How does lead rubber bearing work?

During the earthquake, the un-isolated building will vibrate back and forth in varying directions due to the inertial forces and result in deformation and damages of the building. In contrast, the base isolated building will also displace but remains its original shapes and avoid damages - that is because the lead rubber bearing effectively dissipates the inertial force upon the building, extends the building's period of vibration and decrease the acceleration of the building.

The lead plug will slid with laminated rubber during earthquake but convert this energy of movement to heat so that it efficiently reduces the inertial force upon the building, which slow the vibration of the building. Meanwhile, the rubber part will preserve its original shape due to high elasticity.

Packaging & Shipping

Service Loading Seismic Lead Rubber Bearing (LRB)
Packaging:

Our JingTong Rubber Bridge Bearings are wrapped in plastic film to ensure cleanliness and protection during transportation.
Each bearing is carefully wrapped and neatly placed on pallets for easy loading and transportation.
Shipping:

We offer sea freight services to meet the transportation needs of international customers.
Sea freight is an economical and reliable mode of transportation, especially suitable for long-distance transportation of bulk goods.
Service Loading Seismic Lead Rubber Bearing (LRB)

Product Parameters

Technical index
Neoprene Rubber
Natural Rubber
Hardness (IRHD)
60±5
60±5
Strength Tensile (Mpa)
≥17
≥18
Elongation at break (%)
≥400
≥450
Brittleness temperature (ºC)
≤40
≤-50
Constant compression permanent deformation
≤15
≤30
Resistance to ozone aging test
(test conditions,20% elongation,40ºC×96h)
100ppmm
25ppmm
No cracking
No cracking
Hot air aging test
(The biggest change comparing with before aging numerical)
Test conditions (ºC×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

Company Profile

Service Loading Seismic Lead Rubber Bearing (LRB)

Service Loading Seismic Lead Rubber Bearing (LRB)
Service Loading Seismic Lead Rubber Bearing (LRB)

Why choose us

Service Loading Seismic Lead Rubber Bearing (LRB)

FAQ

1. who are we?
We are based in Hebei, China, start from 2013,sell to Domestic Market(40.00%),Southeast Asia(23.00%),Africa(16.00%),North America(7.00%),South America(7.00%),Western Europe(7.00%). There are total about 51-100 people in our office.

2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3.what can you buy from us?
Bridge Expansion Joint,Rubber Waterstop,Swelling Waterstop Strip,Seismic Isolation Bearing,Rubber Bearing Pad

4. why should you buy from us not from other suppliers?
1.More than 20 professional senior technical personnel.
2.There are 10 series,over 200 species and more than 2,000 specifications.
3.All products have been authenticated by the Ministry of Communications.
4.Self-research and development,professional.

5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,FAS,CIP,FCA,CPT,DEQ,DDP,DDU,Express Delivery,DAF,DES;
Accepted Payment Currency:USD,CNY;
Accepted Payment Type: T/T,L/C,Credit Card,PayPal,Western Union,Cash,Escrow;
Language Spoken:English,Chinese

Contact Information:

Nancy

Add:Nanwangzhuang village,Hengshui City,Hebei Province,China

Hengshui JingTong Rubber Co.,LtD
 
 
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