Problems with bridge expansion joints are well known. A
punishing environment created by traffic loads and climate
conditions means that the right jointing system is imperative if
the structure and bearings are to be protected from water and
Expansion joint systems developed in the past have either not
performed adequately, e.g. due to mechanical failure, or are not
C-Joint bridges this gap.
C-Joint is the perfect choice of system for low to medium
movement bridge expansion joints. It is an asphaltic plug joint
which is able to accommodate up to ±25mm horizontal movement
from mid gap opening position. Special grades are designed for
greater movement for particular situations.
The main components of C-Joint are a high performance elastomer
modified bitumen binder and single size aggregate. Together they
create a joint matrix which gives both flexibility and strength
enabling the joint to accommodate all kinds of movement whether
they are thermal, rotational or traffic induced. As it is
completely watertight the bridge structure and bearing system are
Several different grades of binder are available in order to
meet different climatic conditions throughout the world. For the
bridge engineer C-Joint is a cost effective, durable and versatile
bridge joint system and comes with the guarantee of the Colas
Features and Benefits
C-Joint is virtually omni-directional being able to accommodate
longitudinal, rotational, vertical and transverse movements. It can
accommodate up to ±25mm horizontal movement.
Being completely watertight, C-Joint protects the structure and
bearing system from moisture. Drainage can be incorporated into
C-Joint to remove any sub surface water.
When trafficked there is little or no increase in noise
Rapid installation and the ability to be installed in partial
widths reduces disruption to road users and other costs.
Versatile and Adaptable
Can be installed in new and old structures and is constructed to
meet the requirements of individual sites.
Rapidly and Easily Repaired
If damaged by accident, C-Joint can be easily and rapidly
repaired. During resurfacing work it can be planed off and topped
C-Joint is flush with the road surface, provides no obstacle to
traffic and has no parts to come loose to become traffic
C-Joint contains no mechanical parts which may require
replacement and is able to withstand structure movements and
traffic loads in all climates.
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