The most popular types of large movement Expansion Joints include the Modular type with movement range up to 2,000mm, Steel Finger Joints with movement range up to 600mm
Typical blockout depth is in the order 0f 400mm. Careful consideration is required early in the design process.
Expansion Bridge Joint Construction Step by Step
Finger Type Joints – which have relatively limited maximum movement range – can be set into a comparatively shallow blockout.
Steel finger joints, typically with rectangular shaped fingere, can be manufactured to provide for very large shew movements