Bending and shearing type eccentrically supported energy dissipation beam, bending and shearing type eccentrically supported structure
A bending shear, eccentric support technology, applied in the direction of building types, building components, building structures, etc., can solve the problems of insufficient plastic deformation of energy-consuming beams, low seismic performance, and ability to dissipate seismic energy.
Active Publication Date: 2021-02-09
国家电投集团绿能科技发展有限公司
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Problems solved by technology
In this way, the plastic deformation of the energy-dissipating beam is not fully exerted, and its ability to dissipate seismic energy is not fully utilized, the energy dissipation effect is poor, and the seismic performance is not high
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[0049] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0050] In the first aspect, the embodiment of the present invention provides a bending-shear type eccentrically supported energy-dissipating beam, such as figure 2 shown, combined with Figure 4 , Figure 5 , the energy dissipation beam includes: an upper flange 11 , a lower flange 12 , a web 13 , and a first stiffener 141 . Wherein, the upper flange 11 is arranged parallel to the lower flange 12; the web 13 is arranged vertically to the first stiffener 141; noodle. And, at least two through holes 15 are provided on the web 13, at least two through holes 15 are distributed along the length direction of the web 13 and do not penetrate; and as image 3 As shown, the width of the upper flange 11 is smaller than the width of the upper...
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The invention discloses a bending and shearing type eccentrically supported energy dissipation beam and a bending and shearing type eccentric supporting structure, belonging to the technical field of steel frame supporting structures. The energy dissipation beam includes: an upper flange, a lower flange, a web, and a first stiffener; the upper flange is arranged parallel to the lower flange; the web is arranged vertically to the first stiffener; and the web and the first stiffener The ribs connect both the bottom surface of the upper flange and the top surface of the lower flange. Among them, there are at least two through holes on the web, at least two through holes are distributed along the length direction of the web and do not penetrate; the upper flange is narrower than the upper flange of the non-energy dissipation beam, and the lower flange is narrower than the non-energy beam The lower flange of the dissipative beam. By setting two through holes not connected to each other on the web, after bending plastic deformation occurs at both ends of the energy dissipation beam, shear plastic deformation can continue to occur in the middle of the web. Therefore, the energy-dissipating beam can not only dissipate seismic energy through bending plastic deformation, but also dissipate seismic energy through shear plastic deformation, so as to improve the energy dissipation effect and improve the seismic performance.
Description
technical field [0001] The invention relates to the technical field of steel frame support structures, in particular to a bending-shear type eccentrically supported energy-dissipating beam and a bending-shear type eccentrically supported structure. Background technique [0002] In high-intensity earthquake areas, curved eccentric support structures can be set in steel structures to enhance the seismic performance of buildings. During an earthquake, the curved eccentrically braced structure undergoes local plastic deformation to dissipate the seismic energy and prevent the building from collapsing. Common curved eccentrically braced structures include: energy-dissipating beams, non-energy-dissipating beams, braced beams, and frame columns. Wherein, the non-energy-dissipative beam and the energy-dissipating beam are arranged in parallel, and the ends of the two are connected; the support beam is connected to the bottom surface of the non-energy-dissipating beam; the frame col...
Claims
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IPC IPC(8): E04B1/24E04B1/98E04H9/02
CPCE04B1/2403E04B2001/2406E04B2001/2448E04H9/021
Inventor 陈世玺黄友强胡荣远赵福强高昊嘉冯云霞罗春霞刘晓珂李鸿维
Owner 国家电投集团绿能科技发展有限公司