| 摘要 |
FIELD: construction.SUBSTANCE: load-carrying structure with a frame from an oval tube includes flanges and a frame rigidly attached to them and provided with flattened ends from bent elements of zigzag shape; with that, rod-like elements of the frame have an oval cross-section with the ratio of overall dimensions of 1/2.5, where larger dimension is located in the plane of the structure and the smaller one is located out of the plane.EFFECT: increasing carrying capacity of the structure with reduction of consumption of its structural material.4 dwg, 2 tbl |
