Concrete rehabilitation ribbed concrete floor in a listed historical high school building, Berlin

Concrete rehabilitation of a ribbed concrete floor of the double gymnasium in a listed historical high school building, Heinz-Brandt-Oberschule, Langhansstraße in 13086 Berlin.

Strengthening with additional reinforcement and grouted anchors, Application of spray concrete, injection of cracks, reprofiling with repair mortar. Quality inspection by using core extractions.