COVER Russian patent published in 2009 - IPC E04B7/00 

FIELD: construction.

SUBSTANCE: invention is related to the field of construction, in particular, to cover. Cover comprises trusses and spans supported onto upper units of trusses, on which corrugated sheeting is installed and fixed. Trusses are made with triangular grid and additional stands. Spans in cover along length of trusses are alternating as subvertical and double-braced. Subvertical spans are supported onto double-braced upper units of trusses. Double-braced spans made of rolled profiles are supported onto single-stand upper units of trusses. Braces of double-braced spans are connected to lower units of cover trusses via trusses stands. Top of all spans in cover is installed on single surface.

EFFECT: increased stability of trusses from their plane and material savings for cover spans.

3 cl, 3 dwg