Is Arenas Water Purification Plant - Cagliari, Italy
Status before the restoration:
-
exposed rebars due to the degradation of the concrete cover and construction defects of the concrete;
- gravel segregation in the concrete due to defects in the concrete;
- 2 to 5 mm brittle layer caused by the aggressive action of external agents;
- sewage leakages between the sedimentation tank's walls and foundations, caused by inadequate materials for the casting separations;
Restoration phases:
-
waterjet removal of the brittle concrete layer;
-
demolition of the deteriorated concrete cover, including the sliding plane of the rotating distributor;
-
filling of the visible rebars and gravel segregations with RIMAC;
-
cleaning and anti-corrosive treatment of the rebars;
-
reconstruction of the concrete cover, including the sliding plane of the rotating distributor;
-
application of a RIMAC protective coating to the internal and external walls in two cycles, spaced over time, with average thickness of 2.0
mm.