20inch MS Expansion Joint

Certainly! Strip seal expansion joints are commonly used to effectively seal expansion joints in bridges and structures. Here are some key points about them:

  1. Design and Functionality:
    • Strip seal expansion joints are retractable and solid in both directions, parallel and perpendicular to the bridge axis.
    • They ensure smooth vehicle movement and minimize noise.
    • These joints prevent rainwater permeation and dirt accumulation.
    • Installation, inspection, maintenance, and cleaning of strip seal expansion joints are straightforward.
  2. Construction Details:
    • Elastomeric seals lock into a machined steel cavity, creating a watertight connection.
    • The system accommodates movements of up to 125 mm (about 5 inches).
    • Strip seals are versatile and suitable for various constructive systems exposed to traffic12.
  3. Available Types:
    • Bonded Strip Seal (SEJ-B): Used without an overlay, it requires a minimum slab and overhang thickness of 6.5 inches.
    • Sealed Expansion Joint (SEJ-M and SEJ-S(O)): Preferred for high truck volume roadways, with or without an overlay. It accommodates movements up to 4 or 5 inches, respectively3.
    • Other joint types include pourable seals, open armor joints, and header-type joints with seals.
Material Mild Steel
Single Joint Weight 14kg/m
Elongation At Break 400%
Size 20inch
Usage Bridges And Highways
Grade EN8
Thickness 9mm

Minimum order quantity: 30 Meter