Haider Aashto Certified Bridge Expansion Joint for Reliable Road Use

• Customization: Available
• Connection: Welding
• Type: Modular
• Model NO.: D160
• Material: S355jr,St52
• Surface Treatment: Galvanizing, Painting
• Customized: Customized
• Certification: CE, ISO14001, ISO9001
• Warranty: 5 Years
• Application: Bridge
• Transport Package: as Request
• Specification: AASHTO
• Trademark: Haider
• Origin: China
• HS Code: 7308100000
• Production Capacity: 1, 000, 000 Meters/Year

Product Description

Explore the cutting-edge solutions in Bridge Expansion Joints with our premium Modular Expansion Joint technology.

The Haider expansion joints are expertly crafted to include both the single rail type and the modular type, ensuring versatility and superior performance.

Our state-of-the-art expansion joint system is designed to facilitate seamless bridge deck movements while maintaining an impeccably smooth and watertight riding surface for enhanced reliability.

Meticulously engineered for enduring longevity surpassing that of the bridge deck itself, our joints boast a robust steel support system. They are crafted to combine exceptional strength to withstand traffic impacts with unparalleled flexibility to adapt to various deck movements, supporting a movement range of 80 to 640 mm.

Our expansion joint system is meticulously optimized for this specific movement range, making it the ideal choice for the vast majority of bridges, offering both technical precision and economic efficiency.

Featuring a streamlined structure where resilient rubber is strategically positioned between steel rails, our system adeptly accommodates thermal expansion and contraction or impact loads, leveraging the inherent flexibility of the rubber material.

Enhanced with a support box bearing, our innovative design transforms the conventional assembled rail into a monolithic rail, significantly boosting durability, stability under cumulative fatigue, and offering superior 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