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Joints in concrete pavements of highways, airport runways and container areas are exposed to stresses and strains due to traffic and temperature variation. Steel dowel bars and tiebars are built into joints, to support the transfer of loads across the joints and to maintain the elevation of adjacent slabs at the joints. The type and the number of dowels and tiebars as well as their accurate positions and tolerable displacements are accurately determined, to ensure the long-term performance of the joints.
Since 2001, a new standard for the non-destructive measurement of dowel bars has been achieved. The MIT-SCAN2-BT consists of a compact rail-guided measuring device, an easily assembled GRP (robust glass fiber reinforced plastic) rail system and a Pocket PC. The Pocket PC communicates with the measuring device via a Bluetooth connection.

Download MIT-SCAN2-BT Brochure (PDF file)