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Article | REF: C5461 V1

Joint sealing in public works - Applications

Author: Philippe COGNARD

Publication date: February 10, 2003

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3. Bridge pavements

3.1 Movements and joint locations

A joint is required on a bridge, viaduct or footbridge whenever there is a possibility of relative movement between two structural elements of the structure and when the area of movement affects the roadway carrying traffic [6] .

For joint performance, a distinction must be made between :

  • large river bridges with long spans where movements can be very significant;

  • small bridges spanning roads or rivers.

The "blow" (or sometimes "clearance") of a joint is the maximum foreseeable relative displacement of the two...

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