Использование уголковых профилей в качестве элементов решетки в решетчатых конструкциях приводит к увеличению расхода стали при их креплении болтами. Предлагается сплющивание полок уголка в месте его крепления к поясам и разрез обушка для симметричного крепления к стенкам поясов. Для обеспечения симметричности и равноустойчивости предлагается оптимальный угол раскрытия полок уголков. На примере решетчатой конструкции показано достижение экономии по расходу стали.
The use of angular profiles as lattice elements in lattice structures results in an increase in the consumption of steel when they are fastened with bolts. The flattening of the angle’s flanges in the place of its attachment to the chords and the cut of the heel for symmetrical fastening to the web of the chords are proposed. To ensure symmetry and bistable, an optimum angle between legs of angle section is proposed. On the example of the lattice construction, it is shown that the economy of steel consumption is achieved.
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