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A construction method of multi-steel beam-concrete composite ultra-flat beam and flat beam

A technology of concrete and steel beams, which is applied in the direction of long-strip structural components for load-bearing, anti-seismic, building components, etc., and can solve the problems of long construction period, complex construction, and small steel distribution ratio

Active Publication Date: 2021-09-10
XIAN UNIV OF TECH
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

The existing composite flat beams mainly use a combination of a single steel beam and reinforced concrete to form a composite flat beam. However, due to the generally large width of the flat beams, the ratio of steel in the existing composite flat beams is small, which cannot be used well. Advantages of Portfolio Structure
In addition, the demand for composite components with large spans, large volumes and low net heights in today's actual projects is increasing, and the composite ultra-flat beams suitable for this kind of working conditions have the defects of complex construction and long construction period

Method used

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  • A construction method of multi-steel beam-concrete composite ultra-flat beam and flat beam
  • A construction method of multi-steel beam-concrete composite ultra-flat beam and flat beam
  • A construction method of multi-steel beam-concrete composite ultra-flat beam and flat beam

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Embodiment Construction

[0031] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0032] A kind of multi-steel girder-concrete composite ultra-flat beam of the present invention, as figure 1 , figure 2 and image 3 As shown, it includes a reinforcement cage, and one or more parallel and opposite main steel beams 1 are arranged in the steel cage, and two rows of reserved holes 6 are opened on each main steel beam 1, and a plurality of angle steels 2 are also included, and each angle steel 2 through the reserved hole 6 to connect a plurality of main steel beams 1, and connect the secondary steel beams 3 between two rows of angle steels 2, and fill the reinforcement cage with concrete 7.

[0033] Such as Figure 4 As shown, the centerlines of the two rows of reserved holes 6 are not higher than the neutral axis of the section of the main steel beam 1 .

[0034] Such as Figure 5 As shown, each reserved hole 6 is semicir...

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Abstract

The invention discloses a multi-steel beam-concrete composite ultra-flat beam, which includes a steel cage, and one or more parallel and opposite main steel beams are connected inside the steel cage, and two rows of reserved holes are opened on each main steel beam. It also includes a plurality of angle steels, each angle steel passes through the reserved holes to connect multiple main steel beams, two rows of angle steels are connected to secondary steel beams, and concrete is poured on the outside of the reinforcement cage to form a multi-steel beam of the present application ‑Concrete composite ultra-flat beam; it has the advantages of excellent mechanical performance, strong seismic energy dissipation capacity, and simple construction, and is suitable for long-span structures. The invention discloses a construction method of a multi-steel beam-concrete composite ultra-flat beam, and the construction is simple and convenient.

Description

technical field [0001] The invention belongs to the technical field of building structures, and in particular relates to a multi-steel beam-concrete composite super-flat beam, and also relates to a construction method of a multi-steel beam-concrete composite super-flat beam. Background technique [0002] Flat beams are beams whose width is greater than or equal to the height of the beam. The composite structure combines the steel structure with the concrete structure, so that the component has good seismic energy dissipation capacity, and at the same time can further reduce the size of the component. The composite flat beam is a structural form that applies the composite structure to the flat beam. . The existing composite flat beams mainly use a combination of a single steel beam and reinforced concrete to form a composite flat beam. However, due to the generally large width of the flat beams, the ratio of steel in the existing composite flat beams is small, which cannot b...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04C3/293E04B1/98E04H9/02
CPCE04B1/98E04C3/293E04H9/021
Inventor 马辉白恒宇卢俊龙刘云贺席嘉诚陈云冲杨潘婷谢钟辉
Owner XIAN UNIV OF TECH
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