Product Description
Bridge Expansion Joints, Modular Expansion Joints
Features:
1. Sturdy and Reliable
The side beams and middle beams of this expansion joint are crafted from robust 16Mn steel, designed to endure the vertical load of high-traffic, heavy-tonnage vehicles, as well as horizontal impacts. The anchoring components are securely welded to both the beams and the bridge deck, ensuring vehicle loads are reliably transferred to the abutment. This results in a structurally sound and durable product, perfect for bridges with design loads of steam - over 20, and hanging - 120.
2. Sensitive Expansion
This device's displacement control system integrates spring elements such as rubber springs, PTFE pressure bearings, or inclined support members. It ensures uniform displacement and minimal friction during expansion and contraction within each group.
3. Smooth Bridge Deck and Comfortable Travel
Our device not only guarantees free expansion and contraction displacement of the beam but also ensures that the bridge deck joints form a smooth, unified surface, providing a seamless and comfortable driving experience.
4. Water Stopping and Corrosion Prevention
Equipped with a neoprene rubber sealing strip embedded in the groove of each steel beam group, this product offers excellent elastic deformation, waterproof, and dustproof functionalities. It effectively protects the internal components of the expansion joints and the base bearings from erosion.
5. Large Displacement and Convenient Selection
Designed and manufactured according to a modulus, this device offers displacements ranging from 80 to 1200mm. Bridge design and construction departments can freely select the appropriate specification based on the actual expansion and contraction requirements of the bridge superstructure.
Telescopic Resistance:
Single-Seam Expansion Joint
1. The compression force during contraction is 0.1KN/m.
2. The longitudinal shear force within the working range of the expansion joint is 2.0KN/m.
Multi-Seam Expansion Joint
1. The compression force during contraction is 0.1KN/m.
2. The tensile force during stretching is 4.0KN/m.
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