Bridge steel modular expansion joints, same type as:
Mageba or Maurer Sohne or Freyssinet or Algamod LW
or Reisner & Wolff WSG or DS Brown Steelflex or
Watson Bowman WABO modular.

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Design

Description
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KONTAKT ING expansion joints, series KT, are strip-seal and modular type. Our expansion joint system allows bridge deck movements while maintaining a smooth watertight riding surface. Engineered to last longer than the bridge deck, joints KT longevity comes from robust steel support system. They combine the strength to resist traffic impacts with the flexibility to accommodate various deck movements. Supported movement range is from 80 to 640 mm. Why only 640 mm? Our expansion joint system is technically and economically optimized for this movement range and is best choice for great majority of bridges.

Advantages
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Durability. Robust steel support system allows unparalleled resistance to traffic impacts. Modern anticorrosive treatment protects joints KT from influence of corrosive environment.

Water tightness. Joints KT reliably seal the joint gap, keeping water and debris from passing through to the substructure. In case of rubber seal damage, replacement is fast and easy.

Versatile movement capacity. Joints KT are able to provide smooth riding surface while absorbing various bridge deck movements and rotations.

Simplicity. Well known expansion joint solution to engineers and personnel on the field makes procedure of installation simple.

Detailing
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Design process went in many small steps, making final product reliable and durable.
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