ROOF OF SILO TOWER Russian patent published in 1994 - IPC

FIELD: construction. SUBSTANCE: roof includes bearing beams whose upper chords have slots, sheet linings with beaded side edges connected with beam upper chords by means of wedging members with stopping projections introduced into slots. Lower sections of slots have protrusions mating stopping protrusions of wedging members and flexibly interacting with them. Upper sections of slots in pairs and symmetrically parallel to respective flanges of lower chord of each beam, which in their turn are inclined to one another at angle equalling angle between planes of connected roof sheet linings. Roof may have protrusions on surfaces of wedging members facing upper sections of slots. Protrusions are locked by beaded side edges of sheet linings. EFFECT: higher efficiency. 2 cl, 9 dwg