CN105804264A - Shear yield energy dissipation device for preventing steel angle stiffening buckling and manufacturing method thereof - Google Patents
Shear yield energy dissipation device for preventing steel angle stiffening buckling and manufacturing method thereof Download PDFInfo
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- CN105804264A CN105804264A CN201610293543.6A CN201610293543A CN105804264A CN 105804264 A CN105804264 A CN 105804264A CN 201610293543 A CN201610293543 A CN 201610293543A CN 105804264 A CN105804264 A CN 105804264A
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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)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention provides a shear yield energy dissipation device for preventing angle steel stiffening buckling. The shear yield energy dissipation device comprises a top plate, energy dissipation steel plates, a bottom plate, vertical stiffening steel angles, transverse stiffening steel angles, guide plates and polytetrafluoroethylene isolating layers; the energy dissipation steel plates are connected with the lower surface of the top plate and the upper surface of the bottom plate, the vertical stiffening steel angles are arranged on the front faces and the rear faces of the side edges of the energy dissipation steel plates and used for restraining bending deformation of the side edges of the energy dissipation steel plates, the transverse stiffening steel angles are arranged on the front faces and the rear faces of the middle portions of the energy dissipation steel plates and used for restraining bulge and bend deformation of the middle portions of the energy dissipation steel plates, the guide plates are arranged on the upper surface of the bottom plate and used for restraining out-of-plane displacement of the lower ends of the vertical stiffening steel angles, and the polytetrafluoroethylene isolating layers are attached to the side faces, making contact with the energy dissipation steel plates, of the vertical stiffening steel angles and the transverse stiffening steel angles. The shear yield energy dissipation device for preventing angle steel stiffening buckling has the advantages of being high in ductility, good in fatigue property and good in energy dissipation performance and has good application prospects, the buckling preventing scheme is stable and continuous, and the hysteretic curve is full.
Description
Technical field
The invention belongs to the energy-dissipating and shock-absorbing of engineering structure and vibration control technology, relate to a kind of angle steel and put more energy into anti-buckling shear yielding type sinker and manufacture method thereof.
Background technology
Current engineering circles be nearly all from shearing elasticity flexing not prior to shear yielding to design shear yielding type sinker, this using elastic bifurcation buckling as ultimate limit state: steel plate Post-Bucking Strength can not to be made full use of on the one hand, cause the waste of steel plate materials, reduce the economic performance of sinker；On the other hand in the last thirty years, experimental study has shown that steel-sheet flexing is not meant to the forfeiture of bearing capacity, and component failure is controlled by steel-sheet ultimate strength.
The anti-buckling measure of present shearing steel plate mainly has two kinds: open perps on welding ribbed stiffener and plate.Being no matter that cross is put more energy into or intersected and puts more energy into, welding processing inevitably produces residual stress, residual deformation, affects the mechanical property of steel plate.The defects such as owing to steel plate is relatively thin, welding is got up and easily " burnt ", and a large amount of welding positions are inevitably present crackle, be mingled with, under reciprocating load, crackle is extension brittle fracture quickly occurs rapidly easily, reduces the ductility of steel plate.Secondly, easily there is cripling and reduce the efficiency of putting more energy into of ribbed stiffener in ribbed stiffener, cripling repeatedly accelerates the fracture of ribbed stiffener, finally loses distortion.
Opening perps on steel plate, the overall detrusion becoming steel plate is the flexural deformation of column between seam, thus improving the ductility of plate, but construction technology is complex.Owing to steel plate is split, the path of pulling force field is obstructed, it is difficult to form complete pulling force field, thus the bearing capacity provided is limited.Secondly, rigidity and the bearing capacity of steel plate are weakened relatively big by perps, generally cannot work separately as the main Lateral Resistant System of structure, and its hysteresis loop presents shearing slip type feature clearly.Meanwhile, holding perps and can roll up manufacturing cost on steel plate, and make the analytical parameters of steel plate various, method for designing is more complicated.
Summary of the invention
Present invention aim at providing a kind of angle steel to put more energy into anti-buckling shear yielding type sinker and manufacture method thereof, to improve the deficiency of the existing shear yielding anti-buckling scheme of type sinker, realize " becoming out-of-plane buckling power consumption mechanism into plane shear power consumption mechanism ", there is provided a kind of reliable and stable, Wasted-energy steel plate can be continuously lateral support is provided, limit the technical scheme of its out-of-plane deformation.
For achieving the above object, technical scheme provided by the invention is as follows:
The invention provides a kind of angle steel to put more energy into anti-buckling shear yielding type sinker, including top board 1, Wasted-energy steel plate 2, base plate 3, vertical siffener angle 4, lateral stiffening angle steel 5, guide plate 6 and politef sealing coat 7；
Described Wasted-energy steel plate 2 is connected with the lower surface of described top board 1 and the upper surface of described base plate 3 respectively；
Described vertical siffener angle 4 is arranged on the two sides, front and back of described Wasted-energy steel plate 2 side, and upper end is connected with described top board 1 lower surface, leaves spacing between lower end and base plate 3；
Described lateral stiffening angle steel 5 is arranged on the two sides, front and back in the middle part of described Wasted-energy steel plate 2；
Described guide plate 6 is arranged on the upper surface of described base plate 3；
On the side that described politef sealing coat 7 is pasted onto described vertical siffener angle 4, described lateral stiffening angle steel 5 contacts with described Wasted-energy steel plate 2, to eliminate the frictional force between vertical siffener angle 4, lateral stiffening angle steel 5 and Wasted-energy steel plate 2.
Preferably, described vertical siffener angle 4 quantity is 4 pieces, and 2 pieces are arranged on before Wasted-energy steel plate 2 side, and 2 pieces are arranged on after Wasted-energy steel plate 2 side, to retrain the flexural deformation of Wasted-energy steel plate 2 side.
Preferably, described lateral stiffening angle steel 5 quantity is 2 pieces, and 1 piece is arranged on before in the middle part of Wasted-energy steel plate 2, and 1 piece is arranged on after in the middle part of Wasted-energy steel plate 2, to retrain the drum song deformation in the middle part of Wasted-energy steel plate 2.
Preferably, described guide plate 6 quantity is 4 pieces, is arranged on the upper surface of base plate 3, to retrain the face outer displacement of vertical siffener angle 4 lower end.
Preferably, described Wasted-energy steel plate 2 material is Low Yield Point Steel, adopts docking penetration weld to be connected with described top board 1, described base plate 3.
Preferably, described top board 1, described base plate 3, described guide plate 6 material be ordinary steel, described guide plate 6 adopts with described base plate 3 and is welded to connect.
Preferably, described vertical siffener angle 4 upper end adopts with described top board 1 and is welded to connect, and leaves suitable spacing between described vertical siffener angle 4 lower end and base plate 3.
Preferably, described lateral stiffening angle steel 5 two ends are welded to connect with the edge of a wing employing of described vertical siffener angle 4.
Present invention also offers angle steel to put more energy into the manufacture method of anti-buckling shear yielding type sinker, comprise the steps:
(1) require to design the dimensional parameters of Wasted-energy steel plate 2 according to requirement of engineering and damping；
(2) extreme displacement set according to engineering designs the dimensional parameters of top board 1, base plate 3, vertical siffener angle 4, lateral stiffening angle steel 5, guide plate 6；
(3) docking penetration weld is adopted to connect top board 1, Wasted-energy steel plate 2, base plate 3；
(4) employing is welded to connect vertical siffener angle 4 and lateral stiffening angle steel 5；
(5) politef sealing coat 7 is pasted in the side that vertical siffener angle 4, lateral stiffening angle steel 5 contact with Wasted-energy steel plate 2；
(6) employing is welded to connect vertical siffener angle 4 upper end and top board 1 lower surface.
(7) adopt and be welded to connect guide plate 6 and base plate 3, complete angle steel and put more energy into the manufacture of anti-buckling shear yielding type sinker.
Compared with prior art, present invention have an advantage that
The sinker of the present invention adopts angle steel to put more energy into anti-buckling scheme, first effectively avoids and directly welds ribbed stiffener on Wasted-energy steel plate, reduces its ductility and low cycle fatigue property；Secondly, turn avoid and crack on Wasted-energy steel plate, destroy its pull strap, reduce bearing capacity and the anti-side rigidity of steel plate.3rd, angle steel provided by the invention anti-buckling scheme of putting more energy into is reliable and stable, it is possible to is continuously Wasted-energy steel plate and provides lateral support, limits its out-of-plane deformation.Finally, angle steel provided by the invention anti-buckling shear yielding type sinker hysteresis loop of putting more energy into is full, and energy-dissipating property is excellent, is a kind of desirably shock-damping energy-dissipating device.
Angle steel provided by the invention anti-buckling shear yielding type sinker of putting more energy into is nonload bearing element, it is impossible to enough undertake the weight of building structure, does not change the vertical applied force system of major structure of construction after sinker is installed.
The present invention is by rational parameter designing, and energy-dissipating property is excellent, and has good economic performance, applied widely, both can apply to new building, and can apply to again the strengthening reconstruction of existing building.
Accompanying drawing explanation
Fig. 1 is that a kind of angle steel that the embodiment of the present invention provides is put more energy into the structural representation of anti-buckling shear yielding type sinker；
Fig. 2 is the A-A sectional view of Fig. 1；
Fig. 3 is the B-B sectional view of Fig. 1；
Fig. 4 is that a kind of angle steel that the embodiment of the present invention provides is put more energy into the STRUCTURE DECOMPOSITION schematic diagram of anti-buckling shear yielding type sinker；
Fig. 5 is that a kind of angle steel that the embodiment of the present invention provides is put more energy into the hysteresis loop of anti-buckling shear yielding type sinker.
In figure:
1: top board；2: Wasted-energy steel plate；3: base plate；4: vertical siffener angle；5: lateral stiffening angle steel；6: guide plate；7: politef sealing coat.
Detailed description of the invention
Below in conjunction with accompanying drawing and instantiation the angle steel that the present invention proposes put more energy into anti-buckling shear yielding type sinker and manufacture method is described in further detail.According to the following describes and claims, advantages and features of the invention will be apparent from.It should be noted that, accompanying drawing all adopts the form simplified very much and all uses non-ratio accurately, only in order to aid in illustrating purpose of the invention process conveniently, lucidly.
As Figure 1-4, the invention provides a kind of angle steel and put more energy into anti-buckling shear yielding type sinker, including top board 1, Wasted-energy steel plate 2, base plate 3, vertical siffener angle 4, lateral stiffening angle steel 5, guide plate 6 and politef sealing coat 7；
Described Wasted-energy steel plate 2 is connected with the lower surface of described top board 1 and the upper surface of described base plate 3 respectively；
Described vertical siffener angle 4 is arranged on the two sides, front and back of described Wasted-energy steel plate 2 side, and upper end is connected with described top board 1 lower surface, leaves suitable spacing between lower end and base plate 3；
Described lateral stiffening angle steel 5 is arranged on the two sides, front and back in the middle part of described Wasted-energy steel plate 2；
Described guide plate 6 is arranged on the upper surface of described base plate 3；
On the side that described politef sealing coat 7 is pasted onto described vertical siffener angle 4, described lateral stiffening angle steel 5 contacts with described Wasted-energy steel plate 2, to eliminate the frictional force between vertical siffener angle 4, lateral stiffening angle steel 5 and Wasted-energy steel plate 2.
Preferably, described vertical siffener angle 4 quantity is 4 pieces, and 2 pieces are arranged on before Wasted-energy steel plate 2 side, and 2 pieces are arranged on after Wasted-energy steel plate 2 side, to retrain the flexural deformation of Wasted-energy steel plate 2 side.
Preferably, described lateral stiffening angle steel 5 quantity is 2 pieces, and 1 piece is arranged on before in the middle part of Wasted-energy steel plate 2, and 1 piece is arranged on after in the middle part of Wasted-energy steel plate 2, to retrain the drum song deformation in the middle part of Wasted-energy steel plate 2.
Preferably, described guide plate 6 quantity is 4 pieces, is arranged on the upper surface of base plate 3, to retrain the face outer displacement of vertical siffener angle 4 lower end.
Preferably, described Wasted-energy steel plate 2 material is Low Yield Point Steel, adopts docking penetration weld to be connected with described top board 1, described base plate 3.
Preferably, described top board 1, described base plate 3, described guide plate 6 material be ordinary steel, described guide plate 6 adopts with described base plate 3 and is welded to connect.
Preferably, described vertical siffener angle 4 upper end adopts with described top board 1 and is welded to connect, and leaves suitable spacing between described vertical siffener angle 4 lower end and base plate 3.
Preferably, described lateral stiffening angle steel 5 two ends are welded to connect with the edge of a wing employing of described vertical siffener angle 4.
Present invention also offers angle steel to put more energy into the manufacture method of anti-buckling shear yielding type sinker, comprise the steps:
(1) require to design the dimensional parameters of Wasted-energy steel plate 2 according to requirement of engineering and damping；
(2) extreme displacement set according to engineering designs the dimensional parameters of top board 1, base plate 3, vertical siffener angle (4), lateral stiffening angle steel 5, guide plate 6；
(3) docking penetration weld is adopted to connect top board 1, Wasted-energy steel plate 2, base plate 3；
(4) employing is welded to connect vertical siffener angle 4 and lateral stiffening angle steel 5；
(5) politef sealing coat 7 is pasted in the side that vertical siffener angle 4, lateral stiffening angle steel 5 contact with Wasted-energy steel plate 2；
(6) employing is welded to connect vertical siffener angle 4 upper end and top board 1 lower surface.
(7) adopt and be welded to connect guide plate 6 and base plate 3, complete angle steel and put more energy into the manufacture of anti-buckling shear yielding type sinker.
In whole welding process, the welding starting the arc or the nonstandard processing technique such as arc that fall should do not carried out in power consumption plate 2 position, in order to avoid surrender section performance is had a negative impact by localized heat stress.Simultaneously it should be noted that fire prevention, preservative treatment.
When there is geological process, structure generation relative storey displacement causes that out-of-plane deformation occurs Wasted-energy steel plate 2, vertical siffener angle 4 in anti-buckling scheme effectively constrains the flexural deformation of Wasted-energy steel plate dual-side, lateral stiffening angle steel 5 in anti-buckling scheme effectively constrains the drum song deformation in the middle part of Wasted-energy steel plate 2, it is achieved the design principle of " becoming out-of-plane buckling power consumption mechanism into plane shear power consumption mechanism ".The anti-buckling scheme for duration of the present invention effectively provides lateral-supporting for Wasted-energy steel plate 2 so that sinker hysteresis loop is full, has good energy-dissipating property and low cycle fatigue property.
The sinker of the present invention adopts angle steel to put more energy into anti-buckling scheme, first effectively avoids and directly welds ribbed stiffener on Wasted-energy steel plate, reduces its ductility and low cycle fatigue property；Secondly, turn avoid and crack on Wasted-energy steel plate, destroy its pull strap, reduce bearing capacity and the anti-side rigidity of steel plate.3rd, angle steel provided by the invention anti-buckling scheme of putting more energy into is reliable and stable, it is possible to is continuously Wasted-energy steel plate and provides lateral support, limits its out-of-plane deformation.Finally, angle steel provided by the invention anti-buckling shear yielding type sinker hysteresis loop of putting more energy into is full, and energy-dissipating property is excellent, is a kind of desirably shock-damping energy-dissipating device.
Angle steel provided by the invention anti-buckling shear yielding type sinker of putting more energy into is nonload bearing element, it is impossible to enough undertake the weight of building structure, does not change the vertical applied force system of major structure of construction after sinker is installed.
The present invention is by rational parameter designing, and energy-dissipating property is excellent, and has good economic performance, applied widely, both can apply to new building, and can apply to again the strengthening reconstruction of existing building.
Foregoing description is only the description to present pre-ferred embodiments, not any restriction to the scope of the invention, any change that the those of ordinary skill in field of the present invention does according to the disclosure above content, modification, belongs to the protection domain of claims.
Claims (9)
1. angle steel is put more energy into anti-buckling shear yielding type sinker, it is characterized in that, including top board (1), Wasted-energy steel plate (2), base plate (3), vertical siffener angle (4), lateral stiffening angle steel (5), guide plate (6) and politef sealing coat (7)；
Described Wasted-energy steel plate (2) is connected with the upper surface of the lower surface of described top board (1) and described base plate (3) respectively；
Described vertical siffener angle (4) is arranged on the two sides, front and back of described Wasted-energy steel plate (2) side, and upper end is connected with described top board (1) lower surface, leaves spacing between lower end and base plate (3)；
Described lateral stiffening angle steel (5) is arranged on the two sides, front and back at described Wasted-energy steel plate (2) middle part；
Described guide plate (6) is arranged on the upper surface of described base plate (3)；
On the side that described politef sealing coat (7) is pasted onto described vertical siffener angle (4), described lateral stiffening angle steel (5) contacts with described Wasted-energy steel plate (2), to eliminate the frictional force between vertical siffener angle (4), lateral stiffening angle steel (5) and Wasted-energy steel plate (2).
2. angle steel according to claim 1 is put more energy into anti-buckling shear yielding type sinker, it is characterized in that, described vertical siffener angle (4) quantity is 4 pieces, 2 pieces are separately positioned on before described Wasted-energy steel plate (2) both sides, other 2 pieces are separately positioned on after described Wasted-energy steel plate (2) both sides, to retrain the flexural deformation of described (2) two sides of Wasted-energy steel plate.
3. angle steel according to claim 1 is put more energy into anti-buckling shear yielding type sinker, it is characterized in that, described lateral stiffening angle steel (5) quantity is 2 pieces, 1 piece is arranged on before Wasted-energy steel plate (2) middle part, 1 piece is arranged on after Wasted-energy steel plate (2) middle part, to retrain the drum song deformation at Wasted-energy steel plate (2) middle part.
4. angle steel according to claim 1 is put more energy into anti-buckling shear yielding type sinker, it is characterized in that, described guide plate (6) quantity is 4 pieces, is arranged on the upper surface of base plate (3), to retrain the face outer displacement of vertical siffener angle (4) lower end.
5. angle steel according to claim 1 is put more energy into anti-buckling shear yielding type sinker, it is characterized in that, described Wasted-energy steel plate (2) material is Low Yield Point Steel, adopts docking penetration weld to be connected with described top board (1), described base plate (3).
6. angle steel according to claim 1 is put more energy into anti-buckling shear yielding type sinker, it is characterized in that, described top board (1), described base plate (3), described guide plate (6) material be ordinary steel, described guide plate (6) and described base plate (3) adopt and are welded to connect.
7. angle steel according to claim 1 is put more energy into anti-buckling shear yielding type sinker, it is characterized in that, described vertical siffener angle (4) upper end adopts with described top board (1) and is welded to connect, and leaves spacing between described vertical siffener angle (4) lower end and base plate (3).
8. angle steel according to claim 1 is put more energy into anti-buckling shear yielding type sinker, it is characterised in that the edge of a wing of described lateral stiffening angle steel (5) two ends and described vertical siffener angle (4) adopts and is welded to connect.
9. angle steel is put more energy into the manufacture method of anti-buckling shear yielding type sinker, it is characterised in that comprise the steps:
(1) require to design the dimensional parameters of Wasted-energy steel plate (2) according to requirement of engineering and damping；
(2) extreme displacement set according to engineering designs the dimensional parameters of top board (1), base plate (3), vertical siffener angle (4), lateral stiffening angle steel (5), guide plate (6)；
(3) docking penetration weld is adopted to connect top board (1), Wasted-energy steel plate (2), base plate (3)；
(4) employing is welded to connect vertical siffener angle (4) and lateral stiffening angle steel (5)；
(5) politef sealing coat (7) is pasted in the side that vertical siffener angle (4), lateral stiffening angle steel (5) contact with Wasted-energy steel plate (2)；
(6) employing is welded to connect vertical siffener angle (4) upper end and top board (1) lower surface；
(7) adopt and be welded to connect guide plate (6) and base plate (3), complete angle steel and put more energy into the manufacture of anti-buckling shear yielding type sinker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610293543.6A CN105804264A (en) | 2016-05-05 | 2016-05-05 | Shear yield energy dissipation device for preventing steel angle stiffening buckling and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610293543.6A CN105804264A (en) | 2016-05-05 | 2016-05-05 | Shear yield energy dissipation device for preventing steel angle stiffening buckling and manufacturing method thereof |
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| CN105804264A true CN105804264A (en) | 2016-07-27 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10267077A (en) * | 1997-03-27 | 1998-10-06 | Kiyoshi Karasuno | Lead cylindrical damper containing steel rod |
| CN103161239A (en) * | 2013-04-09 | 2013-06-19 | 东南大学 | U-steel anti-bending steel plate shearing energy absorber |
| CN103195184A (en) * | 2013-04-09 | 2013-07-10 | 东南大学 | Buckling-restrained shearing steel plate energy dissipation device with clamping plates |
| CN103382746A (en) * | 2013-07-12 | 2013-11-06 | 谭平 | Buckling restrained steel plate shear wall with out-plane deformation space |
| CN103696511A (en) * | 2014-01-03 | 2014-04-02 | 广州大学 | Buckling constraint steel plate shear wall capable of being used as vertical bearing component |
| CN205557892U (en) * | 2016-05-05 | 2016-09-07 | 上海天华建筑设计有限公司 | Angle steel is put more energy into and is prevented bucking shearing surrender type sinker |
-
2016
- 2016-05-05 CN CN201610293543.6A patent/CN105804264A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10267077A (en) * | 1997-03-27 | 1998-10-06 | Kiyoshi Karasuno | Lead cylindrical damper containing steel rod |
| CN103161239A (en) * | 2013-04-09 | 2013-06-19 | 东南大学 | U-steel anti-bending steel plate shearing energy absorber |
| CN103195184A (en) * | 2013-04-09 | 2013-07-10 | 东南大学 | Buckling-restrained shearing steel plate energy dissipation device with clamping plates |
| CN103382746A (en) * | 2013-07-12 | 2013-11-06 | 谭平 | Buckling restrained steel plate shear wall with out-plane deformation space |
| CN103696511A (en) * | 2014-01-03 | 2014-04-02 | 广州大学 | Buckling constraint steel plate shear wall capable of being used as vertical bearing component |
| CN205557892U (en) * | 2016-05-05 | 2016-09-07 | 上海天华建筑设计有限公司 | Angle steel is put more energy into and is prevented bucking shearing surrender type sinker |
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