Address: 161# Ronghua Street, Taocheng District, Hengshui, Hebei, China.
Country: China
Modular Expansion Joint for Bridge
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Modular Bridge Expansion Joints are engineered systems designed to accommodate large structural movements in bridges, typically ranging from 80 mm to 2000 mm. Also known as lamella joints, these joints effectively absorb longitudinal, transverse, and vertical displacements caused by thermal expansion, seismic activity, and dynamic loads. Commonly used in curved, skewed, sloped, and wide-span bridges—especially on highways and expressways—they help prevent structural cracking and extend the service life of bridge decks. The system features multiple steel support bars, center beams, edge beams, and sealing elements that create a watertight, durable, and low-maintenance solution. Modular joints are available with box or strip seal systems and include mechanical control devices to ensure equal spacing and reliable performance during both service conditions and post-seismic events. Proven in the field across varied climates and heavy traffic environments, modular bridge expansion joints are a trusted choice for modern long-span bridge construction.
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