Audited Supplier
D160
Welding
Modular
S355jr,St52
Galvanizing, Painting
Customized
CE, ISO14001, ISO9001
5 Years
Bridge
Haider
as Request
AASHTO
China
7308100000
Product Description
Bridge Expansion Joint, Modular Expansion Joint
Haider expansion joints includes single rail type and modular type.
Our expansion joint system allows bridge deck movements while maintaining a smooth watertight riding surface.
Engineered to last longer than the bridge deck, joints longevity comes from robust steel support system. They combine the strength to resist traffic impacts with the flexibility to accommodate various deck movements. Supported movement range is from 80 to 640 mm.
Our expansion joint system is technically and economically optimized for this movement range and is best choice for great majority of bridges.
With its simple structure in which rubber is put in between rails of steel, it can accommodate expansion and contraction due to temperature loads or impact loads of a bridge by virtue of expansion and contraction of the rubber.
With its support box bearing, the conventional assembled rail was improved to a monolithic rail, so this product has durability and stability improved over cumulative fatigue and has excellent waterproofing properties.
Haider expansion joints includes single rail type and modular type.
Our expansion joint system allows bridge deck movements while maintaining a smooth watertight riding surface.
Engineered to last longer than the bridge deck, joints longevity comes from robust steel support system. They combine the strength to resist traffic impacts with the flexibility to accommodate various deck movements. Supported movement range is from 80 to 640 mm.
Our expansion joint system is technically and economically optimized for this movement range and is best choice for great majority of bridges.
With its simple structure in which rubber is put in between rails of steel, it can accommodate expansion and contraction due to temperature loads or impact loads of a bridge by virtue of expansion and contraction of the rubber.
With its support box bearing, the conventional assembled rail was improved to a monolithic rail, so this product has durability and stability improved over cumulative fatigue and has excellent waterproofing properties.
| Standard | JT/T4-2004 | BS5400 Section 9.2 | |||
| Rubber | Natural Rubber | Neoprene CR | Natural Rubber | Neoprene CR | |
| Hardness(IRHD) | 60±5 | 60±5 | 50±5/60±5/70±5 | ||
| Tensile Strength (M Pa)≥ | 18 | 17 | 17 | 15.5 | |
| Ultimate Elongation (%)≥ | 450 | 400 | 450/400/350 | 400/350/300 | |
| Compression Set | 70 o C×22h | 70 o C×22h | 100 o C×22h | ||
| <30 | <15 | <30 | <35 | ||
| Heat Resistance | Test Condition | 70 o C×168h | 100 o C×70h | 70 o C×168h | 100 o C×48h |
| Change in Hardness | -5,+10 | 0,+10 | <10 | <15 | |
| (IRHD) | |||||
| Rate of Tensile Strength Reduction(%) | <15 | <15 | |||
| Rate of Ultimate | <20 | <40 | <20 | <40 | |
| Elongation Reduction | |||||
| (%) | |||||
| Ozone Resistance | 25~50pphm,20% strain | 25~50pphm,20% strain | |||
| 40 o C×96h | 30 o C×96h | ||||
| No Cracks | No Cracks | ||||
