Highway Bridge Rubber Seismic Isolation Pedestal Elastomeric Bearing Pad

Product Details
Customization: Available
Certification: GB
Material: Lead Bearing
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Registered Capital
65000000 RMB
Plant Area
>2000 square meters
  • Highway Bridge Rubber Seismic Isolation Pedestal Elastomeric Bearing Pad
  • Highway Bridge Rubber Seismic Isolation Pedestal Elastomeric Bearing Pad
  • Highway Bridge Rubber Seismic Isolation Pedestal Elastomeric Bearing Pad
  • Highway Bridge Rubber Seismic Isolation Pedestal Elastomeric Bearing Pad
  • Highway Bridge Rubber Seismic Isolation Pedestal Elastomeric Bearing Pad
  • Highway Bridge Rubber Seismic Isolation Pedestal Elastomeric Bearing Pad
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  • Overview
  • Product Description
  • Product Parameters
Overview

Basic Info.

Model NO.
lrb600
Displacement
50~500mm
Shape
Rounded and Rectangle
Model No.
Lrb Lnr Hdr
Load Design
400-30000kn
Transport Package
Standard Package by Sea
Specification
300-1500mm
Trademark
SZ
Origin
Hebei, China
Production Capacity
50, 000/Year

Packaging & Delivery

Package Size
600.00cm * 230.00cm * 230.00cm
Package Gross Weight
1000.000kg

Product Description

Product Description


Lead Rubber Bearing

This kind product includes:Elstomeric Seismic protection isolator for bridges and buildings.It can absorb earthquake energy effectively by way of rubber's elasticity and Lead's restorability. Products comply with :JT/T822-2011 Lead rubber bearing isolator for highway bridge and GB 20688.3-2006 Elastomeric seimic protection isolator for buildings And BS:EN1337.
Lead Bridge Bearing 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 bi-linear behavior shown as the above picture.

Lead Bridge Bearing Classification of Seismic isolation device:

Lead rubber bearing (LRB) is made of load bearing laminated rubber used of support function, steel and lead core combination that used to improve the initial stiffness and dissipation of shock energy absorption. The LRB is popular all over the world for its excellent performance and broad applicability.
 

Product Parameters

 
Specifications of lead core isolation rubber bearings
Model Bearing capacity(KN) Effective diameter(mm) Support body height(mm) Rubber thickness First shape coefficent
S1
Second shape coefficent
S2
Horizontal performance value at 100% shear strain  Shear
Strain
250%
Horizontal
equivalent
Degree
KN/mm 
Vertical Stiffness
KN/mm
Yeild force
(KN)
Horizontal equivalent stiffness KN/mm equivalent  damping ratio % Stiffness
Before yield KN/mm
Stiffness
After yield KN/mm
LRB400 1884 400 156 73 ≥15 ≥5 1.04 23 8.84 0.68 0.79 1450 27
LRB500 2944 500 183 92 ≥15 ≥5 1.27 23 10.92 1.84 0.97 1480 40
LRB600 4239 600 201 110 ≥15 ≥5 1.58 23 13.13 1.01 1.2 2200 63
LRB700 5770 700 241 129 ≥15 ≥5 1.81 23 15.21 1.17 1.38 2700 83
LRB800 7536 800 270 148 ≥15 ≥5 2.05 23 17.29 1.33 1.56 3100 106
LRB900 9538 900 291 165 ≥15 ≥5 2.37 23 19.63 1.51 1.8 3800 141
LRB1000 11775 1000 334 184 ≥15 ≥5 2.60 23 21.71 1.67 1.98 4500 171
LRB1100 14248 1100 362 202 ≥15 ≥5 2.97 24 24.05 1.85 2.26 5000 227
LRB1200 16956 1200 380 220 ≥15 ≥5 3.22 24 26.26 2.02 2.45 5500 264
LRB1300 19900 1300 414 239 ≥15 ≥5 3.45 24 28.34 2.18 2.62 6600 304
LRB1400 23079 1400 461 257 ≥15 ≥5 3.76 24 30.55 2.35 2.86 7500 362
LRB1500 26494 1500 486 276 ≥15 ≥5 4.05 24 32.63 2.51 3.08 8400 425






 
Highway Bridge Rubber Seismic Isolation Pedestal Elastomeric Bearing Pad
Highway Bridge Rubber Seismic Isolation Pedestal Elastomeric Bearing Pad
 
Highway Bridge Rubber Seismic Isolation Pedestal Elastomeric Bearing Pad
Highway Bridge Rubber Seismic Isolation Pedestal Elastomeric Bearing Pad

Highway Bridge Rubber Seismic Isolation Pedestal Elastomeric Bearing Pad
Highway Bridge Rubber Seismic Isolation Pedestal Elastomeric Bearing Pad

 
FAQ(Frequently Asked Questions)
1. You are a trading company or manufacturer?
  -We are a professional manufacturer with 10 years history.
2. What certificate do you get?
  - ISO9001-2008;ISO14001-2004;
3. What is your MOQ?
  -1Set.
4. What is your delivery time when making batch production?
  -MOQ is 10 days, the actual time mainly depends on your order quantity.
5. Can you do OEM?
  -Yes, we can. OEM is welcomed. We can also design for customers as request.
6. What is your sample policy?
  -We can offer samples, and the buyer need to bear the express cost.
7. How long will it take to prepare samples?
 -About 3-7 working days.
 

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