Distinctive features of large -span reinforced concrete structures
Arrow of lifting arches 23 mu step – 9 m. Each of the arches consists of two half.
The lower ends of the half -broth are based on steel heel hinges that transmit their reactions with reinforced concrete foundations. The upper ends of the half -broth are connected by key hinges. The axis of the arches is outlined along the pressure curve from the constant load. Brand concrete arches 300 were made in a horizontal position in an inventory formwork at the construction site. The consumption of concrete per 1 m2 of the floor was 0, 15 m3 and steel – about 20 kg.