FIELD: construction.
SUBSTANCE: present invention relates to a stepped structure, for example, for a sports stadium or other venue for entertainment events. Technical result is achieved by the fact that stepped structure comprises a plurality of separate stepped elements, in which said plurality of separate stepped elements each comprise upper and lower sheets, each sheet comprising a front longitudinal end portion bent downward and a rear longitudinal end portion bent upward, wherein the upper and lower sheets are made identical in the profile, and a core located between the upper and lower sheets, wherein said core is made with a break between adjacent separate stepped elements, in which cavity between upper and lower sheets of each separate step element is sealed, in fact, from outer side, between corresponding front longitudinal end part and corresponding rear longitudinal end part.
EFFECT: creation of improved structural element.
23 cl, 9 dwg
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