| 摘要 |
FIELD: construction.SUBSTANCE: ridge unit of connection of a frame carcass of a building includes crossbars of double-tee cross section that are arranged at the specified angle to each other and rigidly connected to each other by means of flanges welded to ends of crossbars at high-strength bolts. The ridge unit at least at one side of crossbar walls is equipped with a pair of spacers having a closed cross section arranged above the neutral axis of crossbar section and symmetrically relative to flanges. Each spacer is equipped with a flange of a T-shaped cross section, the shelf of which is rigidly connected with the end of the spacer, and the wall is arranged in the plane of the vertical or horizontal axis of spacer section and is connected on bolts with a plate attached perpendicularly to the crossbar wall, in parallel or perpendicularly to the crossbar shelf, at the same time the distance from the plane that separates flanges to the centre of gravity of spacer section shall not exceed 1.5 d, where d - transverse size of the spacer along its central axis parallel to the crossbar shelf.EFFECT: higher stability of a crossbar from a frame plane and reduced metal intensity of a unit.11 cl, 3 dwg |
