FIELD: construction.
SUBSTANCE: vibration cushioning insert for the cavities of interfloor overlapping plates is made in the form of a cylinder of rigid vibration cushioning material, inside of which elastic core with discs is located axisymmetrically and coaxially. Along the axis of the elastic core, damping disks are rigidly fixed along the entire length of cylinder cavity. The extreme discs are fixed flush with cylinder of vibration cushioning material, the ends of which are in turn located flush with the side surfaces of interfloor overlapping base plate. Intermediate damping disks are located evenly with a step not exceeding the internal diameter of the cylinder. The damping cavities in the vibration cushioning insert formed by the damping discs are filled with vibration cushioning material, for example cast polyurethane. The cavities formed by the extreme damping disks and adjacent disks are filled with crumb of vibration cushioning material, for example of "Agat" type, or damping cavities in vibration cushioning insert filled with polyurethane and crumb of vibration cushioning material, respectively, are arranged with their alternation along the length of cylinder.
EFFECT: invention makes it possible to increase vibration-cushioning and sound-insulating properties of the floor.
2 cl, 2 dwg
