WALL SUPPORT FOR LOWER STRUCTURES OF FACE Russian patent published in 2000 - IPC

FIELD: construction engineering. SUBSTANCE: wall support has fixing ledge and bearing one perpendicular to the former. Fixing ledge has mounting holes for bolted joint to mount; bearing ledge in vicinity of its loose end has ledge lug made in center of ledge; ledge lug is bent outside relative to ledge plane so that bearing section may be clamped between loose end of bearing ledge and ledge lug. Bearing ledge also has mounting holes on each side of ledge lug along its loose transverse edge; flute is provided in vicinity of each longitudinal edge of wall support. Flutes run up to loose longitudinal edge; boundary part abuts upon each of two flutes; ledge lug is cut at certain distance from loose longitudinal edge; its bearing surface relative to bearing section is provided at point where lug has maximum thickness. EFFECT: improved bearing capacity and torsional strength of bearing ledge. 2 cl, 4 dwg