MULTI-PIECED COATING Russian patent published in 1995 - IPC

FIELD: civil engineering. SUBSTANCE: multi-pieced coating within limits specified by "pitch-span" dimension of any block includes under-vault structures 1 and panels/shells comprising corrugated bracket-like shelf 2, near-support blind portions 3, stiffening ribs 4 of changeable cross-sections. Each end panel has also one diaphragm 5, located on ends of said block and connected to one another by welding butt overlaps on insert pieces, and by monolithic concrete. The panels are rested by near support blind portions 3 on under vault structures 1, and are connected to ones by welding insert pieces. EFFECT: decreased metal content of the multi-pieced coating and man/hours to manufacture its members, as well as increased useful production space in buildings to be overlapped without increasing the height of those. 5 dwg