FIELD: electric power engineering.
SUBSTANCE: in accordance to the invention, method for repairing reinforced concrete foundations of power line supports includes freeing the foundation being repaired from remains of collapsed concrete, processing, using hydrochloric acid, of cleaned carbonized concrete surface of the foundation being repaired with following water washing and creation of boxing around the frame of the foundation being repaired. The boxing is filled with repairing composition for producing repairing coat in form of a cocoon, enveloping the frame of the foundation being repaired. Prior to hydrochloric acid processing, inclined gutter is mounted, enveloping the foundation, for collecting dripping acid and products of reaction with carbonized concrete. Water washing is performed under pressure, then aforementioned gutter is washed or replaced by a new one and to ensure required adhesion between frame concrete and repairing composition by means of sprayer, under pressure, liquid adhesive coating is applied to external surface of the frame of the foundation being repaired, dripping leavings of which are gathered by means of inclined gutter. Then repairing composition with plasticizer is stacked layer-wise into the hollow between boxing and frame of foundation being repaired, and then after removal of boxing aforementioned gutter is replaced by a new one and by means of a sprayer, under pressure, hydrophobic coating is applied to external surface of repair coating in form of a cocoon.
EFFECT: savings of consumables, increased durability and integrity of repaired foundations.
4 dwg
