Device for limiting distortional buckling of I-shaped steel beam

An I-shaped, steel beam technology, applied in joists, girders, truss beams, etc., can solve problems such as affecting the use of building space, use of materials, and inconvenient construction, so as to reduce on-site construction costs, save building materials, The effect of reducing the construction process

Inactive Publication Date: 2016-01-13
HANGXIAO STEEL STRUCTURE
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Problems solved by technology

However, corner braces greatly affect the use of building space, there are more construction procedures, inconvenient construction, and more materials are used

Method used

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  • Device for limiting distortional buckling of I-shaped steel beam
  • Device for limiting distortional buckling of I-shaped steel beam

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Embodiment Construction

[0014] A device for restricting the distortion and buckling of an I-shaped steel beam. On both sides of the web plate of the I-shaped steel beam 1, an angle steel 2 with an L-shaped cross-section having two limbs is respectively arranged. The upper end and the lower end of the angle steel are respectively connected to the The upper flange and the lower flange of the I-shaped steel beam are welded, one branch of the angle steel is parallel to the web of the I-shaped steel beam, and the branch parallel to the web of the I-shaped steel beam is connected to the I-shaped steel beam The upper and lower flanges are flush, and the distance between the angle steel and the frame column 3 can also be that the distance S from the wall is 0.15 times the span of the steel beam.

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Abstract

The invention discloses a device for limiting distortional buckling of an I-shaped steel beam. The device is characterized in that steel angles (2) are arranged on two sides of a web of the I-shaped steel beam (1), the upper end and the lower end of each steel angle is connected with an upper flange and a lower flange of the I-shaped steel beam respectively, and a distance S between each steel angle and a frame column or a wall side is 0.1-0.2 time of a span of the steel beam. The device is used for limiting distortional buckling of the I-shaped steel beam of a building and has the advantages of simple structure, convenience in manufacture and effectiveness.

Description

technical field [0001] The invention relates to a device for limiting distortion and buckling of an I-shaped steel beam, which belongs to the field of engineering construction. Background technique [0002] In multi-story and high-rise steel structures, the upper flange of the I-shaped steel beam is connected to the concrete floor through studs to form a composite steel beam. However, out-of-plane instability is prone to occur in the compression flange of the negative moment section of the steel beam, resulting in distortional buckling of the steel beam. The current relevant Chinese codes require the use of lateral supports on the compression flanges of steel beams, which are generally realized by corner braces. However, corner bracing greatly affects the use of building space, there are many construction procedures, inconvenient construction, and more materials are used. Contents of the invention [0003] In order to overcome the impact of corner braces on building spac...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04C3/06
Inventor 童根树陈勇敢胡立黎易建文卜科
Owner HANGXIAO STEEL STRUCTURE
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