FIELD: construction.
SUBSTANCE: by-bearing panel point with lowering diagonal contains gusset plate. To the gusset plate it is affixed lattice made of rolling sections. Also to the gusset plate it is affixed lower boom. Lower boom is made of feed bar. Gusset plate is implemented of rectangular tube section with membrane. Lattice is implemented of the same section that gusset plate. Lower boom is passed through membrane and gusset plate and rested to gusset.
EFFECT: girder production simplification.
1 cl, 2 dwg
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