The motorway N12 is placed on a landslide. 20 retaining walsl were built in 1978 supported with anchorage. Some anchorage present defect and new retaining wall was build against the old one.
The goal of the project is to monitor whole life of part of the walls. In this project, le new concrete is blocked by the old one. This blocking can create cracks in the new concrete. The long term effect of the Alcali reaction is also controlled by the measure.
INSTALLATION PERIOD |
TYPE OF SENSORS |
NUMBER OF SENSORS |
2007 |
SOFO |
16 |
N12 Motorway retaining wall