FIELD: construction.
SUBSTANCE: invention relates to the field of construction and can be used as the core elements of the supporting structures of buildings and structures for various purposes. In the H-shaped bent closed profile closed profile, consisting of two flat belts and two inward-curved walls of the arcuate shape, attached to the belts by means of gear closures of the longitudinal edges and mutually supported in the zone of their contact, walls in cross section have the form of round semi-rings, whose diameter is equal to the width of the belts. H-shaped bent closed profile can be made with shelves thicker than the walls, as well as bisteel with a calculated resistance at the shelves, larger than the walls.
EFFECT: technical result of the invention is sufficient spot (local) and overall stability of the profile.
3 cl, 4 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| H-SHAPED FOLDED CLOSED PROFILE WITH PERFORATED FLANGE | 2019 |
|
RU2714033C1 |
| DOUBLE-TEE ROLL-WELDED PROFILE | 2018 |
|
RU2686762C1 |
| FLAT-OVAL CURVED-CLOSED PROFILE | 2017 |
|
RU2653209C1 |
| CURVED CLOSED PROFILE | 2017 |
|
RU2641333C1 |
| WEDGE-SHAPED CURCE-CLOSED PROFILE | 2017 |
|
RU2656297C1 |
| TRAPEZOIDAL CLOSED PROFILE | 2017 |
|
RU2655056C1 |
| SEMI-CIRCULAR FORMED HOLLOWED SECTION | 2017 |
|
RU2645317C1 |
| TRIANGULAR HOLLOW PROFILE | 2017 |
|
RU2651741C1 |
| H-SHAPED CURVED CLOSED PROFILE WITH PERFORATED WALL | 2019 |
|
RU2715778C1 |
| PENTAGONAL FORMED HOLLOW PROFILE | 2017 |
|
RU2645318C1 |
