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Professional Elastomer Expansion Joints for Bridge

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Basic Info

Model No.:  various

Product Description

Model NO.: various Material: Natural Rubber Export Markets: Global Urgent Oder: Yes Specification: various specifications HS Code: 40169990 Usage: Bridge/Highway Model No.: Displacement 60-330mm Metarial: Rubber,Steel Plate Trademark: Jianfeng Origin: Hengshui, Hebei, China (Mainland) Rubber Bridge Expansion Joint


Rubber expansion joint use high elasticity of rubber to adapt to temperature changes and make the bridge produces telescopic deformation.It is a kind of expansion joints coefficient of China using the longest products, is also one of the first expansion joint products, suitable for small and medium span Bridges.




characteristic:
Rubber expansion joint is made by a steel frame, unit assembly, bolt connection and installation, reliable and will not fall off, seam formation, driving smooth and comfortable.When this product is installed, the bottom bolt hole and joint per meter are filling and coating adhesive, water proofing property is good.This product ageing resistance, wear-resisting rubber processing and become, can withstand the repeated load of vehicles, long service life.





Bridge elastomeric expansion joints are designed to accept both horizontal and vertical loads due to traffic in accordance with the road engineering technical standards JTJ-88(1995)

Model Movement accommodation Module length Module width Stud depth Stud diam Module weight
150 38mm 1750mm 240mm 35mm 12mm 30kg
200 50mm 1830mm 274mm 40mm 12mm 48kg
250 65mm 1830mm 356mm 46mm 16mm 68kg
300 76mm 1830mm 432mm 52mm 20mm 88kg
400 102mm 1830mm 590mm 54mm 20mm 150kg
650 165mm 1830mm 724mm 75mm 24mm 272kg
900 230mm 1830mm 890mm 93mm 24mm 375kg
1300 330mm 1220mm 1204mm 127mm 30mm 45kg





Purpose: the highway bridge seismic isolation


Detailing requirements
(1) in parallel, perpendicular to the bridge axis of the two directions are free to flex
(2) reliable
(3) vehicles should be smooth, no sudden jump and noise
(4) waterproof and prevent debris into the obstruction
(5) installation, inspection, maintenance, eliminate dirt are easy to




Control points
1, the pre buried steel beam plate if the position is wrong or leakage is pre buried, is the anchorage method to reinforced fill.
2, after cutting to clean up the link anchor.
3, steel welding seam welding should be enough, to firmly.
4, the elevation of the surface of concrete to prevent the right, jump out of the vehicle.
5, the expansion joint anchorage firm, not loose, flexible and effective.
6, the curing time of concrete should be enough, not because of lack of maintenance time open to traffic.





Damage cause
1, the design of the Bridge Expansion Joint is not a week.
2, the problems of expansion joint device
3, after the pouring of expansion device of pressure filling material selection
4, the construction is not reasonable
5, continuous joint setting is not perfect




Matters needing attention
1, due to transportation expansion device length limit, can block manufacturing, field stitching. Expansion device stored in the site should be placed in parallel, not cross stacking, to prevent deformation.
2, the factory, connecting fixture only as transport convenience, the gap is not fixed position. Expansion device installation, should be recognized under the supervision engineer. Can have provisions such as design documents, the provisions of the bridge design documents as the basis.
3, a retracting device of hoisting, will be reserved for concrete groove hair and clean. When installing expansion device along the bridge to the width of a value to deal with that on expansion joint gap, and the top surface elevation and elevation design of anastomosis after pad, then wear a balance to the connection level reinforced, telescopic device on the anchor bars and beam embedded bars on both sides of the welded (as far as possible to increase the length of welding and welding point, to extend the service life of the telescopic device), to relax the fixture, the free expansion. At this time stretching device has entered the working state.
4, to complete the process, install the necessary template, in order to prevent the inflow of mortar joints, and then carefully washed. In the concrete pouring preformed groove is larger than that of C50. The concrete pouring concrete should take necessary measures to vibration compacting.
5, after the initial setting of concrete, pull out the template, timely removal of the foreign body in the expansion joint and special shaped steel.




Contact information
Sales Manager:     Mr.Steven
Mobile Phone:      86-15233296877
Tel:      86-318-5106277
Fax:      86-0318-5106277
Website:  www.prolianz.com
Company:  Hengshui Jianfeng Engineering Rubber Co., LTD.  

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

Product Categories : Bridge Expansion Joint Series > Elastomeric Expansion Joint

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