CN105672519A - Replaceable shearing type corrugated web energy dissipation connection beam - Google Patents
Replaceable shearing type corrugated web energy dissipation connection beam Download PDFInfo
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- CN105672519A CN105672519A CN201610178002.9A CN201610178002A CN105672519A CN 105672519 A CN105672519 A CN 105672519A CN 201610178002 A CN201610178002 A CN 201610178002A CN 105672519 A CN105672519 A CN 105672519A
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- web
- coupling beam
- corrugated web
- energy dissipating
- energy dissipation
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- Environmental & Geological Engineering (AREA)
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- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a replaceable shearing type corrugated web energy dissipation connection beam. The replaceable shearing type corrugated web energy dissipation connection beam comprises a flange plate and a web, wherein the flange plateweb is a corrugated steel plate; the web is fixedly connected with the flange plate. According to the replaceable shearing type corrugated web energy dissipation connection beam, the web of an energy dissipation member is corrugated and is prepared into the shearing type energy dissipation connection beam, so that the energy dissipation property is more stable and the deformation capability is stronger. A stiffening rib does not need to be welded on the corrugated web so that potential web tearing damages caused by welding heat influences effect are also avoided. The replaceable shearing type corrugated web energy dissipation connection beam is convenient for being spliced and constructed in field through an assembling type end plate connection manner and is also easily rapidly repaired after earthquakes, so that the industrial development trends of buildings are is met. The shearing type energy dissipation connection beam is applied to a framework structure so that the earthquake-resisting property of the framework structure can be remarkably improved.
Description
Technical field
The invention belongs to engineering structure energy-dissipating and shock-absorbing technical field, relate to a kind of energy dissipating coupling beam being applied to steel building or bridge, especially a kind of replaceable shearing-type corrugated web energy dissipating coupling beam.
Background technology
Traditional structure is typically only capable to by improving the intensity of structure, rigidity and ductility to meet its anti-seismic performance requirement, and this method not only has a strong impact on the economy of structure, it is also difficult to significantly improve its anti-seismic performance. Seismic energy dissipation structure, by arranging energy dissipation component in place, consumes inputting seismic energy, thus increasing structural damping, reduces seismic structural response, it is possible to the safety of protection agent structure.
The energy dissipating coupling beam being applied in structure at present is ensure its stable hysteretic energy characteristic, it is prevented that Buckling of Web, and the web of coupling beam is generally thicker, or arranges more ribbed stiffener. But, blocked up web can affect the deformability of coupling beam, and the existence of ribbed stiffener also can cause serious welding heat affected, thus causing that web is susceptible to tear failure in reciprocal transformation process, these problems drastically influence the stress performance of energy dissipating coupling beam. It addition, current energy dissipating coupling beam considers not enough with the connected mode of structural body components for its easy replaceability, this will be unfavorable for the seismic energy dissipation structure quick reparation after suffering earthquake.
Summary of the invention
For problem above, present patent application proposes a kind of novel fabricated replaceable shearing-type corrugated web energy dissipating coupling beam, and concrete technical scheme is:
A kind of replaceable shearing-type corrugated web energy dissipating coupling beam, including flange plate and web; Described web is corrugated steel plate, and described web is fixing with described flange plate to be connected, and flange plate is stupefied vertical with described corrugated steel plate.
Further, also including coupling beam end plate, described coupling beam end plate is arranged on the two ends of described flange plate length direction, fixes with described web, flange plate and is connected; Coupling beam end plate is provided with some bolt mounting holes.
Further, described corrugated is sinusoidal, triangle setback shape or ladder twists and turns shape.
Further, the material of described web is low-yield mild steel material or Gao Jiangang.
Further, double; two groove penetration butt weld is adopted to be connected between described flange plate with described coupling beam end plate.
Further, twin fillet wolt is adopted to be connected between described corrugated web with described flange plate.
Further, twin fillet wolt is adopted to be connected between described corrugated web with described coupling beam end plate.
Further, the setback angle of described setback shape is 30 ° to 45 °.
Further, the wave height of described sine wave is 0.5-1 with the ratio of half-wavelength.
Further, described corrugated web height and thickness ratio 30.
The present invention replaceable shearing-type corrugated web energy dissipating coupling beam, by the web of energy dissipation component is set to corrugated, makes shearing-type energy dissipating coupling beam so that it is energy dissipation behavior is more stable, and deformability is higher. Do not need welding ribbed stiffener due to corrugated web, it also avoid the welding heat affected potential web tear failure caused. Make it easier to on-site consolidation construction by assembled end plate connected mode, be also easy to quick-replaceable reparation after shake, meet the development trend of building industrialization. This shearing-type energy dissipating coupling beam is applied to frame structure, it is possible to significantly improve the anti-seismic performance of frame structure.
Accompanying drawing explanation
Fig. 1 is the present invention replaceable shearing-type corrugated web energy dissipating coupling beam structural representation;
Fig. 2 is corrugated steel web structural representation;
Fig. 3 is corrugated steel web energy dissipating coupling beam hysteresis loop figure;
Fig. 4 is flat web energy dissipating coupling beam hysteresis loop figure;
Fig. 5 is energy dissipating coupling beam assembling framework structural representation;
Fig. 6 is energy dissipating coupling beam assembling framework-supporting construction schematic diagram.
In figure: 1, energy dissipating coupling beam; 1-1, flange plate; 1-2, corrugated web; 1-3, coupling beam end plate; 2, high-strength bolt; 3, end plate is connected; 4, Vierendeel girder; 5, frame column; 6, framework supports.
Detailed description of the invention
Below with embodiment, the present invention is more fully illustrated. The present invention can be presented as multiple multi-form, is not construed as the exemplary embodiment being confined to describe here.
For ease of illustrating, here can use such as " on ", the space relative terms such as D score " left side " " right side ", be used for shown in figure a element or the feature relation relative to another element or feature is described. It should be understood that except the orientation shown in figure, spatial terminology is intended to include device different azimuth in use or operation. Such as, if the device in figure is squeezed, be stated as the element being positioned at other elements or feature D score will be located into other elements or feature " on ". Therefore, exemplary term D score can comprise upper and lower both orientation. Device can otherwise position (90-degree rotation or be positioned at other orientation), relatively illustrates used herein of space correspondingly to explain.
As it is shown in figure 1, replaceable shearing-type corrugated web energy dissipating coupling beam (hereinafter referred to as energy dissipating coupling beam) in embodiment, including flange plate 1-1, corrugated web 1-2 and coupling beam end plate 1-3; Flange plate 1-1 is stupefied vertical with corrugated steel plate. During use, shearing suffered by the stupefied and energy dissipating coupling beam of corrugated steel plate is parallel. Corrugated web 1-2 and upper and lower two panels flange plate 1-1 adopts twin fillet wolt to be connected, and forms the short coupling beam that can bear shear load; Adopt double; two groove penetration butt weld to be connected between flange plate 1-1 with coupling beam end plate 1-3, adopt twin fillet wolt to be connected between corrugated web 1-2 and coupling beam end plate 1-3, form replaceable dress shearing-type energy dissipating coupling beam component; Coupling beam end plate 1-3 is by high-strength bolt and structural body components assembly connection.
Corrugated web 1-2 can adopt ladder twists and turns, can by plain plate by folder rolling and forming; According to actual look needs, fluxion structure can also adopt the setback form such as sinusoidal, triangle.Corrugated web 1-2 can adopt low-yield mild steel material, it is possible to adopts the Gao Jiangang that ductility is higher, yield strength is more stable.
Coupling beam flange plate 1-1 can adopt the mild steel material identical with web or Gao Jiangang, it is possible to adopts intensity to be not less than the common iron of corrugated web 1-2; Connect end plate 3 and can adopt common iron.
Fig. 5 is the typical steel-frame structure of energy dissipating coupling beam 1 assembling, and this structure is mainly made up of Vierendeel girder 4, frame column 5 and energy dissipating coupling beam 1. Vierendeel girder 4 horizontal welding is connected on frame column 5, and the Vierendeel girder 4 of both sides is provided with connection end plate 3, is connected respectively through high-strength bolt 2 is fixing with the coupling beam end plate 1-3 of energy dissipating coupling beam 1, constitutes energy-dissipating structure. This structure is not limited to steel-frame structure, it is also possible to for steel-concrete composite frame structure etc.
Fig. 6 is the steel frame-brace structure of another kind of energy dissipating coupling beam 1 assembling, and this structure is mainly made up of Vierendeel girder 4, frame column 5, framework support 6 and energy dissipating coupling beam 1. Vierendeel girder 4 horizontal welding is connected on frame column 5, is connected by high-strength bolt 2 is fixing with the upper end of energy dissipating coupling beam 1 on the downside of the middle part of Vierendeel girder 4; The lower end of energy dissipating coupling beam 1 supports 6 respectively through two frameworks and welds with the frame column 5 of both sides or be articulated and connected, and constitutes energy-dissipating structure.
It is, of course, also possible to energy dissipating coupling beam 1 is connected to form frame structure with Vierendeel girder 4 or frame column 5 by other modes in series or in parallel, strengthen the energy dissipating ability of frame structure. Energy dissipating coupling beam in the present embodiment is a kind of outstanding energy-dissipating and shock-absorbing component, has that flexural property is better, deformability is bigger, energy dissipation capacity is more stable, construction and installation and an advantage such as reparation displacement is more convenient.
The thickness 30mm of coupling beam end plate 1-3, end plate width 240mm, height 400mm; The thickness 10mm of coupling beam flange plate 1-1, end plate width 130mm, length 400mm; As in figure 2 it is shown, district's lattice length of the setback of corrugated web is 33.3mm, setback height is 32.5mm, and thickness is 8mm. By testing, it is possible to obtain the stress deformation of energy dissipating coupling beam in the present embodiment as shown in Figure 3.
Energy dissipating coupling beam median ventral plate in the present embodiment is changed to flat board, by testing, it is possible to obtain the stress deformation of flat web energy dissipating coupling beam as shown in Figure 4. Can be seen that after shear displacemant angle is more than 0.08, this energy dissipating coupling beam generation flexing, load-resisting capacity degradation, energy dissipation capacity reduces.
Test and numerical value computer chart are bright, the replaceable shearing-type corrugated web energy dissipating coupling beam that the present invention proposes is the improvement to traditional flat web energy dissipating coupling beam, by optimizing web setback structure, it is possible to obtain better Buckling of Web performance, bigger coupling beam deformability, more stable energy dissipation capacity. Further, end plate-high-strength bolt connected mode also allows for the construction and installation of energy dissipating coupling beam and repairs displacement. Above-mentioned replaceable shearing-type corrugated web energy dissipating coupling beam as energy dissipation component for, in the structure such as steel frame or frame-brace, significantly improving the anti-seismic performance of structure, can reduce the seismic response of structure. Further, also allowed for installation and the replacing of energy dissipating coupling beam by the connected mode of end plate-bolt, be beneficial to the quick reparation after structure shake.
The shear yielding load V of coupling beampWith bending yield load MpCan be determined by (1) and (2) respectively:
Mp=fyZ(1)
Vp=0.6fyAw(2)
In formula, Z is cross section plastic modulus, fyFor the yield strength of steel, Aw=dtwFor web plate section area, d is beam section overall height, i.e. upper and lower flange plate, twFor web thickness.
For failure by shear type coupling beam, equivalent connecting beam length factor eVp/MpTypically require satisfied (3) to require:
In formula, e is coupling beam effective length, identical with the length of flange plate 1-1 in FIG.
The flakiness ratio of its edge of a wing and web meets formula (4) and (5) limit value:
In formula, b is outstanding width of flange, and h is web clear height, tfFor flange plate thickness, EsFor steel elastic modelling quantity.
Web height compares h/t with web thicknesswNo more than 30, it is prevented that web occurs to early flexing, thus increasing deformability and the energy dissipation capacity of energy dissipating coupling beam.
In order to obtain higher anti-shear performance, the sinusoidal wave wave height of web corrugation and the ratio of half-wavelength are between 0.5-1; For triangle setback shape or ladder twists and turns shape, setback are called for short setback angle with longitudinal angle, and the angle at setback angle should control between 30-45 degree.
The present invention replaceable shearing-type relatively conventional energy dissipating coupling beam of corrugated web energy dissipating coupling beam, its main advantage is in that:
(1) corrugated web has the unique advantage that flexural property is good, and corrugated web is applied to shearing-type energy dissipating coupling beam, it is possible to significantly improve web Buckling in reciprocal loading process so that it is energy dissipation behavior is more stable, and deformability is higher; Further, owing to not needing welding ribbed stiffener, it also avoid the welding heat affected potential web tear failure caused.
(2) assembled end plate connected mode makes it easier to on-site consolidation construction, is also easy to quick-replaceable reparation after shake, meets the development trend of building industrialization.
(3) numerical analysis shows, the hysteresis loop of the corrugated web energy dissipating coupling beam of identical physical dimension is fuller much than flat web energy dissipating coupling beam.
Thus, due to above-mentioned advantage, assembled shearing-type corrugated web energy dissipating coupling beam is as a kind of novel energy dissipation component, and it exists wide application prospect in the seismic hardening of seismic energy dissipation structure and traditional structure is transformed.
Above-mentioned example be only intended to illustrate the present invention, in addition, also have multiple different embodiment, and these embodiments be all those skilled in the art after comprehension inventive concept it is also envisioned that therefore, will not enumerate at this.
Claims (10)
1. a replaceable shearing-type corrugated web energy dissipating coupling beam, including flange plate and web; It is characterized in that, described web is corrugated steel plate, and described web is fixing with described flange plate to be connected, and flange plate is stupefied vertical with described corrugated steel plate.
2. replaceable shearing-type corrugated web energy dissipating coupling beam as claimed in claim 1, it is characterised in that also including coupling beam end plate, described coupling beam end plate is arranged on the two ends of described flange plate length direction, fixes with described web, flange plate and is connected; Coupling beam end plate is provided with some bolt mounting holes.
3. replaceable shearing-type corrugated web energy dissipating coupling beam as claimed in claim 1 or 2, it is characterised in that the ripple of described corrugated web is sinusoidal, triangle setback shape or ladder twists and turns shape.
4. replaceable shearing-type corrugated web energy dissipating coupling beam as claimed in claim 1, it is characterised in that the material of described web is low-yield mild steel material or Gao Jiangang.
5. replaceable shearing-type corrugated web energy dissipating coupling beam as claimed in claim 1, it is characterised in that adopt double; two groove penetration butt weld to be connected between described flange plate with described coupling beam end plate.
6. replaceable shearing-type corrugated web energy dissipating coupling beam as claimed in claim 1, it is characterised in that adopt twin fillet wolt to be connected between described corrugated web with described flange plate.
7. replaceable shearing-type corrugated web energy dissipating coupling beam as claimed in claim 1, it is characterised in that adopt twin fillet wolt to be connected between described corrugated web with described coupling beam end plate.
8. replaceable shearing-type corrugated web energy dissipating coupling beam as claimed in claim 3, it is characterised in that the setback angle of described setback shape is 30 ° to 45 °.
9. replaceable shearing-type corrugated web energy dissipating coupling beam as claimed in claim 3, it is characterised in that the ratio of the wave height of described sine wave and half-wavelength is 0.5-1.
10. replaceable shearing-type corrugated web energy dissipating coupling beam as claimed in claim 1, it is characterised in that described corrugated web height and thickness ratio≦30。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610178002.9A CN105672519A (en) | 2016-03-25 | 2016-03-25 | Replaceable shearing type corrugated web energy dissipation connection beam |
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| CN201610178002.9A CN105672519A (en) | 2016-03-25 | 2016-03-25 | Replaceable shearing type corrugated web energy dissipation connection beam |
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Cited By (9)
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| CN106065566A (en) * | 2016-07-26 | 2016-11-02 | 中冶建筑研究总院有限公司 | A kind of energy-dissipating and shock-absorbing pier stud |
| CN106760020A (en) * | 2017-01-16 | 2017-05-31 | 刘文渊 | A kind of Self-resetting dissipative links |
| CN106760019A (en) * | 2016-12-30 | 2017-05-31 | 上海建工集团股份有限公司 | One kind shearing corrugated web damper |
| CN107190874A (en) * | 2017-05-03 | 2017-09-22 | 南昌大学 | A kind of replaceable reaming bolt connecting-type energy dissipating beam section and its construction method being used in Y shape eccentrically braces structure |
| CN107217787A (en) * | 2017-05-18 | 2017-09-29 | 沈阳建筑大学 | A kind of assembled coupling beam of built-in profiled sheet groove structure |
| CN109750790A (en) * | 2019-01-04 | 2019-05-14 | 中铁建工集团有限公司 | Corrugated web steel coupling beam |
| CN112302252A (en) * | 2020-09-18 | 2021-02-02 | 北京工业大学 | Post-earthquake repairable assembled lattice column with shear type energy dissipation damper |
| CN112982201A (en) * | 2021-02-10 | 2021-06-18 | 西南交通大学 | Full-energy-consumption connection type flexible shed tunnel system and design method thereof |
| CN113818563A (en) * | 2021-10-27 | 2021-12-21 | 清华大学 | Web bending and shearing connecting beam and construction method thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106065566A (en) * | 2016-07-26 | 2016-11-02 | 中冶建筑研究总院有限公司 | A kind of energy-dissipating and shock-absorbing pier stud |
| CN106760019A (en) * | 2016-12-30 | 2017-05-31 | 上海建工集团股份有限公司 | One kind shearing corrugated web damper |
| CN106760020A (en) * | 2017-01-16 | 2017-05-31 | 刘文渊 | A kind of Self-resetting dissipative links |
| CN107190874A (en) * | 2017-05-03 | 2017-09-22 | 南昌大学 | A kind of replaceable reaming bolt connecting-type energy dissipating beam section and its construction method being used in Y shape eccentrically braces structure |
| CN107217787A (en) * | 2017-05-18 | 2017-09-29 | 沈阳建筑大学 | A kind of assembled coupling beam of built-in profiled sheet groove structure |
| CN107217787B (en) * | 2017-05-18 | 2020-06-19 | 沈阳建筑大学 | Built-in profiled sheet groove structure's assembled even roof beam |
| CN109750790A (en) * | 2019-01-04 | 2019-05-14 | 中铁建工集团有限公司 | Corrugated web steel coupling beam |
| CN112302252A (en) * | 2020-09-18 | 2021-02-02 | 北京工业大学 | Post-earthquake repairable assembled lattice column with shear type energy dissipation damper |
| CN112982201A (en) * | 2021-02-10 | 2021-06-18 | 西南交通大学 | Full-energy-consumption connection type flexible shed tunnel system and design method thereof |
| CN112982201B (en) * | 2021-02-10 | 2021-12-10 | 西南交通大学 | Full-energy-consumption connection type flexible shed tunnel system and design method thereof |
| CN113818563A (en) * | 2021-10-27 | 2021-12-21 | 清华大学 | Web bending and shearing connecting beam and construction method thereof |
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