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Highway Rubber Expansion Joints For Bridges

FOB Price: US $1 - 100 / Meter Get Latest Price
Min.Order Quantity: 20 Meter/Meters
Supply Ability: 1500 Meter/Meters per Month
Port: Shanghai
Payment Terms: L/C,D/P,T/T
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Quick Details

Place of Origin:
Jiangsu China (Mainland)
Brand Name:
MST
Model Number:
REJ
Marerial:
rubber

Packaging & Delivery

Packaging Detail: according to the buyer's requirements.
Delivery Detail: 15 days after receipt of L/C

Specifications

expansion joints
1.Certificate:ISO9001:2008
2.Sizes:up to the customers

expansion joints 

 

Description of Rubber Bridge Expansion Joint:

 

Rubber Bridge Expansion Joint system comprises of 8 NO. Standard models designed to accommodate movement up to 330mm by shear deformation of the elastomer between the steel components.

 

Each model of our Rubber Bridge Expansion Joint incorporates steel angles designed to be bolted to the structural deck and a steel bridging plate system which spans the open joint gap.

 

The elastomer case is highly resistant to oils, solvent spillage and the trafficked surface includes an anti-skid pattern for safety having a rubber to rubber coefficient of static friction of 0.69. Each model of our Rubber Bridge Expansion Joint is specifically designed to accommodate horizontal and skew movement and will also accommodate vertical movement due to rotation of up to 6mm.

 

 

Features of Rubber Rubber Bridge Expansion Joint:

 

Rubber Rubber Bridge Expansion Joint is the flexible transformation when using high elasticity to adapt the change of temperature. And our Rubber Bridge Expansion Joint got good reputation of bridge engineering by its convenient installation, stable running, waterproof, dustproof, little noise, light weight, and low cost and other features.

 

 

Application of Rubber Bridge Expansion Joint:

 

Rubber Bridge Expansion Joint is used in Highway bridge decks, Service ramps, Multi- storey car parks and so on. Rubber Bridge Expansion Joint is used to prevent buildings or bridges appear some cracks because of climate change.

 

 

Construction programs of Rubber Bridge Expansion Joint:

 

(1) Set out and cut Rubber Bridge Expansion Joint.

 

(2) Excavate and clean the Rubber Bridge Expansion Joint area.

 

(3) Drill holes to locate the anchor bolts.

 

(4) Place the rebar mat and mold.

 

(5) Pour bottom concrete layer.

 

(6) Install comb-shaped steel plate.

 

(7) Pour side concrete.

 

(8) Maintenance the Rubber Bridge Expansion Joint.

 

 

Types of Rubber Bridge expansion joint:

 

1. Modular Rubber Bridge Expansion Joint

 

2. SGF series Rubber Bridge Expansion Joint

 

3. TST bridge elastomeric expansion joint

 

4. TST seamless Rubber Bridge Expansion Joint

 

5. Steel finger Rubber Bridge Expansion Joint

 

6. And other types Rubber Bridge Expansion Joints. We could produce it as customers’ requirement.

 

 

 Production Equipment:

 

Testing Equipment:

 

 

Grider Grid expansion joint comprises edge beam,center beam,supports bar,strip seal,sliding spring,sliding bearing and control spring,etc.In the Grider Grid Joint each center beam is rigidly welded to its assigned support bar,thus resulting in a grider grid,which is capable of moving within itself.Control springs arranged between the support bars control the spacing of the center beams as a function of the overall width of the structural gap.The support bars are aligned in the direction of movement of the structure.Movements deviating from this arrangement can be accommodated to a limited degree.

 

This straightforward and,therefore,reliable design is highly economic when a certain number of sealing elements(2 to 8)is not exceeded.

 

1)Control System

Grider Grid joints adapt continually to deformations in the structure.The control springs provided between the support bars ensure a uniform distribution of the total movement to the individual joint gaps.Steel stops are provided at the support bars to prevent an opening of the individual gap of more than 80mm.The springs comprise mainly of closed-cell polyurethane,a material that had a proven record of success for spring elements exposed to dynamic and impact stresses.The special arrangement of the stops for securing the control spring to the support bars has the effect that the wider the opening of the joint the more the springs are compressed.

 

The springs are compressed in any opening condition of the joint,the precompression being at a minimum when the joint is closed.

 

2)Support System

The support bars of the Grider Grid joint are supported by resilient bearing elements i.e. precompressed spring and sliding bearings,located above and below the support bars respectively in the support boxes.This arrangement provides a resilient and sliding support in the direction of the structure movement.Precompression of the sliding springs prevents the supports from lifting off the bearings and also compensates for manufacturing tolerances.The support resilience also serve to eliminate edge pressure in the sliding surfaces.

 

To compensates for unavoidable differences in height between the edges of the structure,the sliding bearings have been designed to accommodate to the resultant inclination of the support bars and to reduce the torsional stiffness.

 

3)Classification

Grider Grid expansion joints are classified as D160,D240,D320,D400,D480,D560,and D640 by displacement of 80mm.

 

 

 

Dimensions Expansion Joints

 

 

 

Physical Property Parameters of Rubber for the Expansion Joints

(According with Standard JT)

 

 

 

Physical Property Parameters of Rubber for the Expansion Joints

(According with Standard AASHTO)

 

 

 

The Parameters of Expansion Joints Installation

 

 

Certificate:

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Nanjing MST Bridge Steel Structure Co., LTD. is located in the beautiful scenery of the Liuhe district, Nanjing city. We are a professional design, development bridge accessories and bridge expansion joint materials. And we are a Sino-foreign joint venture science and technology industrial company.

We have a number of pragmatic and progressive outstanding professional and technical personnel and experienced management personnel including doctor. We keep information sharing with several ... View detail

Basic Information

Product/Service (We Sell): Profile Steel,Expansion Joint,Bearing,Damper  
Number of Employees: 51 - 100 People  

Trade & Market

Main Markets: Southeast Asia
Mid East
Africa
Total Annual Sales Volume: US$2.5 Million - US$5 Million  
Export Percentage: 71% - 80%  

Factory Information

Factory Size (Sq.meters): Below 1,000 square meters  
Factory Location: No. 3, Shengang Road, Guabu Town, Liuhe District,Nanjing  
Number of Production Lines: Above 10  
Number of R&D Staff: Less than 5 People  
Number of QC Staff: Less than 5 People  
Contract Manufacturing: OEM Service Offered   Design Service Offered  

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China (Mainland) | Manufacturer, Trading Company | Contact Details
Experience: Established 2008

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Mr. Qing Hua
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