Product Description
Bridge Expansion Joint, Modular Expansion Joint
Features:
1. Sturdy and Reliable
The side beams and middle beams of this expansion joint are crafted from high-quality rolled 16Mn steel. Designed to endure the vertical load of high-volume, heavy-tonnage vehicles and withstand horizontal impacts, this joint offers exceptional strength and durability. Its anchoring members are securely welded to the bridge deck's embedded steel, ensuring the vehicle load is reliably transferred to the abutment. This structurally sound and durable design is suitable for bridges with a design load of steam-over 20 and hanging-120.
2. Sensitive Expansion
The device's displacement control system incorporates advanced spring elements, including rubber springs, PTFE pressure bearings, and inclined support members. These components ensure uniform displacement and minimal friction during expansion and contraction, delivering precise and responsive performance.
3. Smooth Bridge Deck, Comfortable Traveling
This device not only accommodates the free expansion and contraction of the beam but also ensures that the bridge deck joints form a seamless, smooth surface. This results in a smoother and more comfortable driving experience.
4. Water Stopping and Corrosion Prevention
Each group of steel beams features neoprene rubber sealing strips embedded in the grooves. These strips, tailored to the bridge's width, offer excellent elastic deformation along with waterproof and dustproof capabilities. They effectively protect the internal components of the expansion joints and the sorghum bottom bearing from corrosion.
5. Large Displacement, Convenient Selection
The displacement range of this device spans from 80 to 1200mm, designed and manufactured according to specific modules. Bridge design and construction departments can easily select the appropriate displacement according to the actual expansion and contraction needs 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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