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NAV Selection Criteria Chart – Structural Expansion Joints

The chart below summarizes typical movement range, governing standard, and application for each expansion joint type to assist in preliminary joint selection at the design stage.

Joint Type Typical Movement Range Governing Standard Typical Application
Filler Joint ± 5 – 20 mm IRC:SP:69-2011 Minor bridges, culverts
Asphaltic Plug Joint ± 20 – 40 mm IRC:SP:69-2011 Medium span bridges, resurfacing
Strip Seal Joint ± 40 – 80 mm IRC:SP:69-2011 Highway bridges, flyovers
Compression Seal Joint ± 25 – 50 mm IRC:SP:69-2011 Highway bridges, moderate movement
Reinforced Elastomeric Slab Joint ± 40 – 80 mm IRC:SP:69-2011 Low-profile surface-mounted joints
Modular Strip Seal Joint ± 160 mm to 1000+ mm IRC:SP:69-2011 Long-span / high-movement bridges
Finger Joint ± 100 – 400 mm IRC:SP:69-2011 Long-span bridges
Reinforced Coupled Elastomeric Slab Joint ± 80 – 160 mm IRC:SP:69-2011 Medium-large span bridges
Sliding Rail Joint (Ballasted Track) ± 50 – 150 mm (RDSO drawing) RDSO Railway bridges, welded rail
Omega Shaped Elastomeric Joint ± 50 – 150 mm UIC 772-2R / RDSO Metro viaducts and stations
Compression Seal (Metro / HSR) ± 25 – 60 mm UIC 772-2R / RDSO Metro / HSR elevated structures
SS Shear Key Cover Joint Restrains transverse movement RDSO Metro shear key locations

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