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NAV Finger Joint

Modular & Finger type Expansion Joints.jpg (1)
Applicable Standard: IRC:SP:69-2011
Finger joint consists of interlocking cantilevered steel fingers projecting from each side of the gap, overlapping without contact to accommodate large movement, typically combined with a drainage trough beneath, as per IRC:SP:69-2011.

Parameter Specification / Typical Range
Movement Capacity ± 100 – 400 mm
Material Cast / fabricated steel conforming to IS:2062, hot-dip galvanized
Drainage Trough EPDM / stainless steel gutter provided beneath the joint
Load Rating As per IRC:6 loading, Class A / Class 70R

Key Features

Very large movement capacity
Robust construction for heavy traffic loading

Typical Applications

Long-span bridges, large movement structures
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