Silo and silo top structure thereof

Abstract

The invention provides a silo and a silo top structure thereof. The silo top structure comprises a through ring beam, a vestibule truss, a central annular support, solid-web type roof steel beams and a roof horizontal supporting system, wherein the through ring beam is arranged at the top end of the silo; the vestibule truss is supported on the through ring beam; the central annular support is arranged at the middle bottom of the vestibule truss; the solid-web type roof steel beams are symmetrically and radially arranged along a center line of a vestibule, one ends of the solid-web type roof steel beams are hinged to the central annular support, and the other ends of the solid-web type roof steel beams are hinged to and supported on the through ring beam; and the roof horizontal supporting system is distributed between the solid-web roof steel beams. The vestibule truss and the solid-web roof steel beams are combined into a whole through the central annular support, a vertical force resisting system of the roof is formed, the through annular beam at the top of the silo can weaken out-of-plane horizontal loads generated by a roof system, the vertical deformation resistance of the silo top structure is improved, and meanwhile local stress concentration of the silo wall structure can be relieved.

Description

technical field [0001] The invention relates to the technical field of roof structures, in particular to a silo roof structure and a silo. Background technique [0002] Due to the shortage of urban land, large-diameter silos with roof corridors have more and more practical significance. The storage capacity of a super-large silo can reach 100,000 cubic meters, and a super-large silo of 100,000 cubic meters has a diameter of about 55m and a height of more than 50m. [0003] At present, silos generally adopt roof structures such as assembled conical shells and spherical shells. Since super-large silos often have a height of more than 50m, if roof structures such as assembled conical shells and spherical shells are used, because they are a space-combined stress system, The rigidity can only be exerted after the overall structure is completed, and a special construction method must be adopted, so the installation is very difficult. And because the center is heavy and expensive...

AI Technical Summary

Problems solved by technology

[0003] At present, silos generally adopt roof structures such as assembled conical shells and spherical shells. Since super-large silos often have a height of more than 50m, if roof structures such as assembled conical shells and spherical shells are used, because they are a space-combined stress system, The rigidity can only be exerted after the overall structure is completed, and a special construction method must be adopted, so the installation is very difficult

Moreover, due to the heavy load at the center, the cost is high, and it is difficult to meet the deformation requirements of equipment operation

If the reinforced concrete monolithic roof structure is used, it cannot be used for a roof system with a span of more than 30m due to its heavy weight and difficult construction

[0004] In related technologies, although there is a silo roof structure with a corridor trestle structure as the roof system of the core force-bearing component, the structural load is only transmitted from the roof closure system to the corridor system, and the structural system is a single force-bearing structural system. Unable to meet the deformation requirements of extremely high equipment operation on the roof of the storage structure under a super-long span

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