| Customization: | Available |
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| After-sales Service: | Technical Guidance |
| Warranty: | 1 Year |
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To meet the requirements of bridge deck deformation, expansion joints are usually set up between the two beam ends, between the beam ends and the bridge abutment, or at the hinge position of the bridge.
The modular single seam mainly consists of steel sections, waterproof rubber strips, and anchoring components. It has a compact structure, easy installation, and good durability, comfort, and reliability in use. Due to its low structural height, it is particularly suitable for the renovation of old bridge expansion devices, and can also be used for the construction of new bridges. Its allowable expansion and contraction amount is 20-120mm, generally D40, D60, D80, D100, D120. The structural forms mainly include C type, RG type, F type, Z type, E type, and M type.
Basic structural requirements for expansion joints
It is required that the expansion joint can freely expand and contract in two directions parallel and perpendicular to the bridge axis, and can adapt to a small amount of vertical displacement caused by deflection deformation of the bridge. It should be firm and reliable, and the vehicle should travel smoothly without jumping or noise; To prevent rainwater and garbage from infiltrating and blocking; Installation, inspection, maintenance, and removal of dirt should be simple and convenient. At the installation of expansion joints, both the railing and the bridge deck pavement must be disconnected.
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