Seismic Base Isolator Buildings Lead Rubber Bearing

Price $150.00 Compare
Min Order 10 Pieces
Availability In Stock
Shipping From Hebei, China
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Hebei Shangze Rubber and Plastic Products Co., Ltd.

VIP   Audited Supplier 3 years
Profile Certified by SGS/BV
lrb 900
GB
Lead Bearing
Multi Direction Movable Bearing
50~500mm
Rounded and Rectangle
Lrb Lnr Hdr
400-30000kn
SZ
Standard Package by Sea
300-1500mm
Hebei, China
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
ModelBearing capacity(KN)Effective diameter(mm)Support body height(mm)Rubber thicknessFirst 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/mmequivalent  damping ratio % Stiffness
Before yield KN/mm
Stiffness
After yield KN/mm
   
LRB400188440015673≥15≥51.04238.840.680.79145027
LRB500294450018392≥15≥51.272310.921.840.97148040
LRB6004239600201110≥15≥51.582313.131.011.2220063
LRB7005770700241129≥15≥51.812315.211.171.38270083
LRB8007536800270148≥15≥52.052317.291.331.563100106
LRB9009538900291165≥15≥52.372319.631.511.83800141
LRB1000117751000334184≥15≥52.602321.711.671.984500171
LRB1100142481100362202≥15≥52.972424.051.852.265000227
LRB1200169561200380220≥15≥53.222426.262.022.455500264
LRB1300199001300414239≥15≥53.452428.342.182.626600304
LRB1400230791400461257≥15≥53.762430.552.352.867500362
LRB1500264941500486276≥15≥54.052432.632.513.088400425


 




 
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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