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Elastomeric expansion joint

Elastomeric expansion joint

hit: 40936

contact us

TEL: 86-15132836877
FAX: 86-318-5106277
Email: waterstop@prolianz.com
sales@prolianz.com
URL: http://www.prolianz.com
ADD: Hengshui City, Hebei Province, China

Bridge elastomeric expansion joints

 

Jianfeng bridge elastomeric expansion joints are structural components designed to provide smooth passage over the gap between adjacent sides of a deck joint, while also permitting relative translation and/or rotation of the two sides of a bridge deck (deck movement joint).

A deck movement joint is generally defined as a structural discontinuity between two elements, at least one of which is a deck element, and is designed to allow relative translations and rotations due to: thermal expansion and contraction of the superstructure, concrete shrinkage or creep, elastic shortening due topre-stressing, displacement of the structure under load, or any other action the desk is subjected to.


Features of BridgeElastomeric Expansion Joints
1.It makes bridge smooth and seamless, and it's good for preserving, cleaning and moving snow.
2.The structure is simple, no need to have special stretch frame and anchoring steel bar, construction is convenient and fast.
3.It could absorb all kinds of deformations and shaking. And its damping property is high and it's good for bridge shock absorption.
4.Best sealing and waterproof property and anti-acid-base and corrosion.
5.Low cost of construction, durable and remarkable economic benefit and social benefit.


Applications of Bridge Elastomeric Expansion Joints

Hengshui Jianfeng Engineering Rubber co., LTD. is a specialist in the field of Expansion Joint Supply-and-Installation, Rehabilitation and Repair allowing us to cater for a variety of applications including bridges, car parks, elevatedstructures, footbridges, stadium, etc.


Requirements of Bridge Elastomeric Expansion Joints

Items

Rubber

Plate-type

Combined type

1. Max horizontal frictional resistance of expansion and compression(KN/m)

<18

8

2. Max vertical deviation or deformation of expansion and compression

-3-3

-2-2


Properties of Bridge Elastomeric Expansion Joints

Materials

Neoprene Rubber
(Apply to -25ºC~ 60ºC areas)

Natural Rubber
(Apply to -35ºC~ 60ºC areas)

Neoprene Rubber
(Apply to -40ºC~ 60ºC areas)

Hardness (IRHD)

605

605

605

Tensile Strength (Mpa)

>=15

>=16

>=14

Elongation at break (%)

>= 400

>= 400

>= 350

Brittleness temperature (ºC)

<= - 40

<=-50

<=-60

Compression set constant
(Room temperature 24h)

<=20

<=20

<=20

Resistant Ozone aging (25~50pphm)

20% Elongation 40ºC96h

No cracks

No cracks

No cracks

Hot air aging test (Compared with the previous unaged

value occurred biggest change)

Test conditions

(ºCh)

70ºC96h

70ºC96h

70ºC96h

Tensile Strength

(%)

15

15

10

Elongation at

break (%)

25

25

20

Hardness change

(IRHD)

0~+10

-5~+10

0~+10

Rubber and steel bonding peel strength(kN/m)

>7

>7

>7

Salt water(23ºC14d,4%

Concentration)

Volume Change

(%)

<=+10

<=+10

<=+10

HardnessChange

(IRHD)

<=+10

<=+10

<=+10

Oil resistance(No.1Standard

Oil, 23ºC168h)

Volume Change

(%)

-5~+10

<+45

<+45

Hardness Change

(IRHD)

-10~+5

<-25

<-25

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

451kg


  

contact us

TEL: 86-15132836877
FAX: 86-318-5106277
Email: waterstop@prolianz.com
sales@prolianz.com
URL: http://www.prolianz.com
ADD: Hengshui City, Hebei Province, China

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