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BL Heavy-load Modular Bridge Expansion Joint from China

FOB Reference Price:Get Latest Price
US $10 - 990 / Meter | 1 Meter/Meters Samples are free. (Min. Order)
Supply Ability:
60000 Meter/Meters per Month
Port:
Tianjin
Seller Support:
Payment protection
On-time shipment
Product quality protection
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Quick Details

Place of Origin:
Hebei, China (Mainland)
Brand Name:
BAOLI
Model Number:
BL-1247
Material:
steel and rubber

Packaging & Delivery

Packaging Details: According to the customers' request.
Delivery Detail: 3- 7 days after receiving the payment.

Specifications

BL Heavy-load Modular Bridge Expansion Joint from China has high quality and competitive price.

Sales Manager: Danny

Mobile Phone: 0086 15075828982

Tel: +86 3187091666

Fax: +86 3187952199

Website: www.hsbaoli.com/www.hsbaoli.cn

Companies: CHINA BAOLI GROUP
Address: No.396 Heping West Road, Hengshui City, Hebei Province, China.
Expansion Joints

       An expansion joint or movement joint is an assembly designed to safely absorb the heat-induced expansion and contraction of various construction materials, to absorb vibration, to hold certain parts together, or to allow movement due to ground settlement or earthquakes.
They are commonly found between sections of buildings, bridges, sidewalks, railway tracks, piping systems, ships, and other structures.


 Modular Expansion Joints
       Modular Expansion Joint Systems have gained overwhelming worldwide acceptance for accommodating and sealing large joint movements on bridge structures. By incorporating the results of recent research activities, each joint system is designed
to provide watertight, fatigue resistant, long-term, maintenance-free performance.

Description of Modular Expansion Joint for Bridge:  
        Modular Bridge Expansion Joint separates the structural elements above the basic, and sets apart appropriate gap between both sides in order to ensure the structural elements on both sides of Modular Bridge Expansion Joint free flexible in horizontal direction. The wide of sew
is always 20-40mm. And then fill in thermal insulation materials.

 a) Building height is low, and the structure is simple.

 b) has performance of flexible stretch and safety.

 c) has performance of easy installation for construction and low price. 

Application of Modular Expansion Joint for Bridge:

       Modular Bridge Expansion Joint is used in Highway bridge decks, Service ramps, Multi-storey car parks and so on.

It is used to prevent buildings or bridges appear some cracks because of climate change.


Construction programs of Modular Expansion Joint for Bridge:

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

(2) Excavate and clean the Modular 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 Modular Bridge Expansion Joint.

And other types expansion joints. We could produce them as customers’ requirements.

     Rubbers’ pressure bearings and compressed bearings of the modular expansion joints must satisfy  the physical
and mechanical performance as follows.

Items

Pressure bearings

Compressed bearings

Rigidity IRHD

70±2

62 ±2

Tensile strength

Natural
rubber

≥18.5

≥18.5

Chloroprene
rubber

≥17.5

≥17.5

Elongation at break

Natural
rubber

≥350

≥500

Chloroprene
rubber

≥300

≥450

    The technical performance of  PU spring displacement control used by the modular expansion joints must satisfy the
requirements as follows.

Items

Unit of measurement   

Index

Density

Kg/m

550±10

Tensile strength

MPa

≥4

Elongation at break

%

≥350

Constant compression deformation (you can choose any one)

70°C* 72h

%

≤6.5

150°C* 24h

%

≤8

Tearing strength

KN/m

≥120

60% compression modulus

MPa

4.0±0.2

Fatigue test 2 million times

 

Rate≤3

Hz

No cracking

Pressure stress=7

 

MPa

 

 

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China (Mainland) | Manufacturer, Trading Company
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