Using the lowest possible amount of resources, a system is to be provided with a structural element (1), which system allows the characteristics of a vacuum to be used in the construction sector in a particularly simple manner. In particular, with a substantial freedom from thermal bridges, it is po
Using the lowest possible amount of resources, a system is to be provided with a structural element (1), which system allows the characteristics of a vacuum to be used in the construction sector in a particularly simple manner. In particular, with a substantial freedom from thermal bridges, it is possible to also subsequently insulate a building envelope, for example, in situ at the lowest possible cost and this insulation is to be flexibly adaptable to changes of the building envelope. For this purpose, the structural element (1) comprises two cover layers (2) arranged substantially parallel to one another and a closed frame structure (4) which is formed integrally with the cover layers (2) and is arranged between said cover layers (2) such that a gastight cavity (6) is formed, said cavity (6) containing a vacuum.
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1. A structural element, comprising: two cover layers arranged in substantially parallel relationship to one another; anda closed frame structure formed integrally with the cover layers and arranged between the cover layers such that a gastight cavity is formed, said cavity containing a vacuum, said
1. A structural element, comprising: two cover layers arranged in substantially parallel relationship to one another; anda closed frame structure formed integrally with the cover layers and arranged between the cover layers such that a gastight cavity is formed, said cavity containing a vacuum, said frame structure having a chamber containing a vacuum having a pressure which is higher than a pressure of the cavity. 2. The structural element of claim 1, further comprising a spacer element arranged between the cover layers. 3. The structural element of claim 2, wherein the spacer element is configured in the form of a bar and extends vertically to a surface of the cover layers. 4. The structural element of claim 2, wherein the spacer element has a thickening region on a side facing the cover layers. 5. The structural element of claim 2, further comprising a plurality of said spacer element interconnected in a manner of a lattice. 6. The structural element of claim 2, further comprising a connector placed between the cover layers and the frame structure or between the cover layers and the spacer element. 7. The structural element of claim 6, wherein the connector includes an adhesive bond. 8. The structural element of claim 6, wherein the connector includes a mechanically separable connection. 9. The structural element of claim 2, further comprising a material introduced between the cover layers and the frame structure or between the cover layers and the spacer element for increasing a coefficient of static friction. 10. The structural element of claim 2, further comprising a material introduced between the cover layers and the frame structure or between the cover layers and the spacer element for increasing a coefficient of static friction, when exposed to pressure. 11. The structural element of claim 1, wherein the cover layers have a curved configuration. 12. The structural element of claim 1, further comprising a gastight partition wall placed in the cavity. 13. The structural element of claim 12, wherein the partition wall has an opening which is sealable in a gastight manner. 14. The structural element of claim 1, further comprising a porous material, preferably a pourable, pressure-resistant material, arranged between the cover layers. 15. The structural element of claim 1, further comprising a pipe connected to an outer region and arranged in the cavity or the chamber. 16. The structural element of claim 1, further comprising a pipe integrated into the cover layers and configured as a heat exchanger. 17. A method for producing a structural element, comprising: arranging two cover layers in parallel relation to one another;placing a closed frame structure, having a chamber, between the cover layers and forming the frame structure onto the cover layers, thereby demarcating a gastight cavity;evacuating the chamber of the frame structure to a pressure; andevacuating the cavity of the frame to a pressure,wherein the pressure in the chamber is higher than the pressure in the cavity. 18. The method of claim 17, further comprising arranging a spacer between the cover layers. 19. The method of claim 17, further comprising arranging the cover layers and the frame structure on an inner or outer mould. 20. A method for equipping a building, comprising arranging on a building a structural element having two cover layers arranged in substantially parallel relationship to one another, and a closed frame structure formed integrally with the cover layers and arranged between the cover layers such that a gastight cavity is formed, said cavity containing a vacuum, said frame structure having a chamber containing a vacuum having a pressure which is higher than a pressure of the cavity, or a structural element, obtained by the method of claim 17. 21. A method of claim 20, wherein one of the cover layers forms a structure already present on the building. 22. An aircraft, comprising a rotationally symmetrical lift body including a structural element having two cover layers arranged in substantially parallel relationship to one another, and a closed frame structure formed integrally with the cover layers and arranged between the cover layers such that a gastight cavity is formed, said cavity containing a vacuum, said frame structure having a chamber containing a vacuum having a pressure which is higher than a pressure of the cavity, or a structural element, obtained by the method of claim 17, said lift body having an interior space which is evacuated. 23. A building, comprising a structural element having two cover layers arranged in substantially parallel relationship to one another, and a closed frame structure formed integrally with the cover layers and arranged between the cover layers such that a gastight cavity is formed, said cavity containing a vacuum, said frame structure having a chamber containing a vacuum having a pressure which is higher than a pressure of the cavity. 24. The building of claim 23, further comprising a framework structure wherein a plurality of said structural element is attached to the framework structure. 25. The building of claim 24, wherein the framework structure is at least partly formed from steel. 26. The building of claim 23, further comprising a vacuum pump connected to the cavity. 27. The building of claim 23, further comprising a component having an interior space which is completely evacuated.
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