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An Eccentric Bracing System of Restorable Functional Steel Frame with Large Clearance

A technology of restoring function and eccentric support, applied in building types, buildings, building components, etc., can solve problems such as openings and openings, and achieve the effect of improving construction speed and construction quality, convenient and fast fastening work, and flexible design forms.

Active Publication Date: 2021-01-15
BEIJING UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The present invention proposes an eccentric support system with large headroom and recoverable functional steel frame, aiming at improving the energy dissipation capacity of beam-column connection nodes; at the same time introducing a new type of support system, aiming at solving the problem of opening doors in the frame

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  • An Eccentric Bracing System of Restorable Functional Steel Frame with Large Clearance
  • An Eccentric Bracing System of Restorable Functional Steel Frame with Large Clearance
  • An Eccentric Bracing System of Restorable Functional Steel Frame with Large Clearance

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Embodiment Construction

[0018] Below in conjunction with accompanying drawing, the embodiment of this patent is described in detail.

[0019] Such as Figure 1~3 As shown, a recoverable functional steel frame eccentric bracing system with large headroom includes the following components.

[0020] 1——Welding combined special-shaped column;

[0021] 2——I-beam section with oblique support rod;

[0022] 3——Y-type diagonal brace;

[0023] 4——Energy dissipation beam section;

[0024] 5——Beam-column joint connection device;

[0025] 6 - the first connecting device;

[0026] 7 - the second connecting device;

[0027] 8 - the third connecting device;

[0028] 9——The upper steel pipe column;

[0029] 10——Chinese steel pipe column;

[0030] 11 - cantilever beam section;

[0031] 12——I-beam section;

[0032] 13 - the first oblique support rod;

[0033] 14——the second oblique support rod;

[0034] 15——the third oblique support rod;

[0035] 16——upper flange cover plate;

[0036] 17 - lower flange c...

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Abstract

The invention relates to a large-headroom restorable-function steel-framed eccentrically-braced system and belongs to the field of structural engineering. The large-headroom restorable-function steel-framed eccentrically-braced system comprises two welded combination special-shaped columns, two I-beam segments having an oblique support bar, two Y-shaped diagonal braces, one energy-dissipating beamsegment and a plurality of connection devices. All the components of the system herein are processed in a factory; the precision and quality are easier to control; connecting and mounting are formedin situ completely through high-strength bolts, so that quick assembly is easy to implement; beam-column joints are specially treated, a cover plate can buckle to dissipate energy, excessive deformation of the cover plate can also be limited, joint bearing capacity is more stable, and more energy can be dissipated; the design idea of the energy-dissipating beam segment and eccentric bracing is introduced, so that structural 'fuse' effect is achieved; brace size and shape are changed, a door opening can be set in the position where bracing is provided, so that steel consumption is lowered, andeconomic benefit and applicability are improved.

Description

technical field [0001] The invention relates to an eccentric support system of a recoverable functional steel frame with a large clearance, belonging to the technical field of structural engineering. Background technique [0002] The prefabricated steel structure building system has become a new direction and new trend in the development of building steel structures. It has the advantages of standardization of design, factory production, assembly of construction, energy saving and environmental protection of green buildings, etc. Once the existing multi-high-rise public buildings and residential buildings are damaged by the earthquake, the buildings will be terminated, which will have a serious impact on social economic recovery and the lives of the people. The post-failure study shows that the main failure form of the structure is the failure of the beam-column joints. How to improve the energy dissipation capacity of the beam-column joints through reasonable design and rea...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04B1/24E04B1/58E04H9/02E04B1/98
Inventor 白正仙申存杰姜子钦郑文彬周宝儒
Owner BEIJING UNIV OF TECH
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