FIELD: building and woodworking industry, particularly bar structures.
SUBSTANCE: profiled bar includes bearing extensions and mounting slots formed on two opposite bar sides and have trapezoidal cross-sections so that when bars are laid one on another inclined surfaces rest one on another. In the case of glued laminated bar trapezoidal profile thereof is non-symmetric, namely profile side surface having less angle of inclination extend towards vertical bar axis and each plane of glue connection joint passes over external surface or internal surface having less inclination angles.
EFFECT: increased service life and enhanced operating ability.
2 cl, 2 dwg
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