SUPPORT UNIT Russian patent published in 1997 - IPC

FIELD: civil engineering. SUBSTANCE: support unit has outer cylinder lower end of which is welded to support slab. Upper end of this cylinder is overlapped with flange with guide tube installed in vertical position. Support cylinder is annually installed in cavity of outer cylinder. Annular gap between cylinders is filled with pliable material. Layer of pliable material is laid in lower part of support cylinder onto the support slab. Tip put into tubular prop rest on the upper end of the support cylinder. Prop is passed through guide tube passage which is vertically installed in the cap-flange. EFFECT: improved design. 1 dwg