CN212641794U - Composite soft steel energy dissipater - Google Patents
Composite soft steel energy dissipater Download PDFInfo
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- CN212641794U CN212641794U CN202021106677.0U CN202021106677U CN212641794U CN 212641794 U CN212641794 U CN 212641794U CN 202021106677 U CN202021106677 U CN 202021106677U CN 212641794 U CN212641794 U CN 212641794U
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- 229910000831 Steel Inorganic materials 0.000 title claims description 30
- 239000010959 steel Substances 0.000 title claims description 30
- 239000002131 composite material Substances 0.000 title claims description 13
- 238000005265 energy consumption Methods 0.000 claims abstract description 61
- 230000021715 photosynthesis, light harvesting Effects 0.000 claims abstract description 50
- 238000010008 shearing Methods 0.000 claims abstract description 42
- 229910001209 Low-carbon steel Inorganic materials 0.000 claims abstract description 17
- 238000003466 welding Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 3
- 230000035515 penetration Effects 0.000 claims 3
- 150000001875 compounds Chemical class 0.000 abstract description 11
- 238000006073 displacement reaction Methods 0.000 description 16
- 230000000694 effects Effects 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
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Abstract
The utility model relates to a compound mild steel energy dissipation ware comprises roof, bottom plate, shearing power consumption board, triangle-shaped power consumption board, otic placode, bolt and sleeve. The top plate and the bottom plate are oppositely arranged in parallel; the shearing energy consumption plates are arranged between the top plate and the bottom plate at intervals in parallel and are vertical to the top plate and the bottom plate, and the extension direction of the shearing energy consumption plates is the same as that of the top plate and the bottom plate; the triangular energy dissipation plates are arranged between the shearing energy dissipation plates at intervals in parallel, the triangular energy dissipation plates are perpendicular to the shearing energy dissipation plates and the top plate, the narrow sides of the triangular energy dissipation plates face the bottom plate, and sleeves are arranged at the end parts of the narrow sides; the ear plates are parallel to the shearing energy consumption plates and are symmetrically arranged between the shearing energy consumption plates and the triangular energy consumption plates; the bolt passes through the sleeve and the lug plate. The utility model discloses make full use of triangle-shaped power consumption board and the mechanical properties of shearing power consumption board to form compound mild steel energy dissipater with both combinations, can realize "the little bad that shakes, well shake can be repaiied, the requirement of seting up defences of three levels that big shake does not fall".
Description
Technical Field
The utility model relates to an antidetonation technical field of building, in particular to compound mild steel energy dissipation ware.
Background
The earthquake action is one of the most main factors influencing the safety of engineering structures, and the shear steel plate energy dissipater and the triangular steel plate energy dissipater are common vibration control means for resisting the earthquake action of buildings.
The shearing steel plate energy dissipater belongs to one kind of metal energy dissipater, and has the advantages of good economy, stable performance and the like of the metal energy dissipater, and the common material is low yield point steel. The energy dissipation mechanism consumes the earthquake energy through the shear deformation in the steel plate surface, so that the steel plate has larger lateral rigidity, achieves yielding and begins to dissipate energy under the condition of smaller displacement, and can generate larger output force.
The triangular steel plate energy dissipater is also one of metal energy dissipaters, and the common material is low yield point steel. The energy consumption mechanism is to consume the seismic energy through the out-of-plane bending deformation of the steel plate. The energy dissipation mechanism is the steel plate out-of-plane deformation, so the lateral rigidity is small, the yield displacement is large relative to the shear steel plate, and the output of the single triangular steel plate is smaller than that of the shear steel plate.
When the two energy dissipaters are used independently, the two energy dissipaters can only deal with the earthquake action of a single fortification level, and the fortification requirement of three levels and a higher performance target are difficult to realize.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a compound mild steel energy dissipater remedies the single defect of existing energy dissipater fortification level, is favorable to reaching the antidetonation standard of fortifying and higher performance target of "three levels".
The utility model discloses a following technical scheme realizes above-mentioned target:
the utility model provides a pair of compound mild steel energy dissipation ware, including roof, bottom plate, two piece at least shear energy consumption boards, a plurality of triangle-shaped energy consumption boards, two otic placodes, bolt and sleeve.
The top plate and the bottom plate are oppositely arranged in parallel, at least two shearing energy consumption plates are arranged between the top plate and the bottom plate at intervals in parallel, the shearing energy consumption plates are perpendicular to the top plate and the bottom plate, and the extending direction of the shearing energy consumption plates is the same as the extending direction of the top plate and the bottom plate; the plurality of triangular energy consumption plates are arranged between the two shearing energy consumption plates at intervals in parallel, the triangular energy consumption plates are perpendicular to the shearing energy consumption plates and the top plate, the narrow sides of the triangular energy consumption plates face the bottom plate, and the end parts of the narrow sides are provided with the sleeves; the two ear plates are parallel to the shearing energy consumption plate and are symmetrically arranged between the shearing energy consumption plate and the triangular energy consumption plate; the bolt passes through the ear plate and the sleeve.
Furthermore, the top plate is provided with a strip-shaped opening.
Furthermore, the shearing energy consumption plate is made of low-yield-point steel and is respectively connected with the top plate and the bottom plate by full-penetration butt welding.
Furthermore, the triangular energy dissipation plate is made of low-yield-point steel, the upper end of the triangular energy dissipation plate is embedded into the top plate and is connected with the top plate through plug welding, and the lower end of the triangular energy dissipation plate is connected with the sleeve through full-penetration butt welding.
Furthermore, the number of the shearing energy consumption plates is even, and the shearing energy consumption plates are the same in shape and size.
Furthermore, the number of the triangular energy dissipation plates is 12-16.
Furthermore, the shapes and the sizes of the triangular energy dissipation plates are the same.
Furthermore, the ear plate is connected with the bottom plate by full-penetration butt welding and is provided with a strip hole.
Compared with the prior art, the utility model has the advantages that:
the utility model provides a pair of compound mild steel energy dissipater will cut power consumption board and triangle-shaped power consumption board combination and use, utilizes the mechanical properties difference of two kinds of power consumption boards, can realize "three levels" target of seting up defences and higher performance target.
The utility model has the effects that:
1. under the action of small displacement, the yield displacement of the shearing energy consumption plate is smaller than that of the triangular energy consumption plate, the shearing energy consumption plate enters a yield state at first, the earthquake energy is consumed, the main body structure is protected, the small earthquake is avoided, and the triangular energy consumption plate is still in an elastic state at the moment. Under the action of large displacement, the structural deformation is large and exceeds the yield displacement of the triangular energy dissipation plate, and the triangular energy dissipation plate yields and dissipates energy, so that the purposes of 'repairing the medium earthquake' and 'keeping the large earthquake' are achieved. Therefore, the utility model provides a pair of compound mild steel energy dissipater can realize, changes the requirement of seting up defences that realizes "three levels".
2. Through the design and selection of reasonable shape parameters of the energy dissipation plates and the matching of the number of the two energy dissipation plates, various performance targets such as seismic elasticity, large-seismic unyielding and the like in the main body structure can be realized.
The utility model provides a pair of compound mild steel energy dissipater is non-bearing member, must not participate in bearing vertical load.
Drawings
Fig. 1 is an axial view of a composite soft steel energy dissipater provided in an embodiment of the present invention;
fig. 2 is a front view of a composite soft steel energy dissipater according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2 according to the present invention;
fig. 4 is a cross-sectional view taken along line B-B of fig. 2 according to the present invention.
Fig. 5 is a side view of a composite soft steel energy dissipater according to an embodiment of the present invention.
Fig. 6 is a detailed view of a single triangular energy dissipation plate and a sleeve of the composite mild steel energy dissipater according to an embodiment of the present invention.
Fig. 7 is a schematic view of a welding seam between a triangular energy dissipation plate and a top plate of a composite soft steel energy dissipater provided by an embodiment of the present invention.
Fig. 8 is an exploded schematic view of a composite soft steel energy dissipater according to an embodiment of the present invention.
In the figure:
1: a top plate; 2: a base plate; 3: shearing the energy consumption plate; 4: a triangular energy dissipation plate; 5: an ear plate; 6: a bolt; 7: a sleeve.
Detailed Description
The following detailed description of a specific embodiment of the composite soft steel energy absorber provided by the present invention is made with reference to the accompanying drawings and specific examples. It should be noted that the drawings are schematic drawings only to assist in illustrating the invention, and are not exact dimensions.
As shown in fig. 1 to 8, for the utility model provides a pair of compound soft steel energy dissipater, including roof 1, bottom plate 2, two piece at least shear energy consumption boards 3, a plurality of triangle-shaped energy consumption boards 4, two otic placodes 5, bolt 6 and sleeve 7.
The top plate 1 and the bottom plate 2 are oppositely arranged in parallel, at least two shearing energy consumption plates 3 are arranged between the top plate 1 and the bottom plate 2 in parallel at intervals, the shearing energy consumption plates 3 are perpendicular to the top plate 1 and the bottom plate 2, and the extending direction of the shearing energy consumption plates 3 is the same as the extending direction of the top plate 1 and the bottom plate 2; the plurality of triangular energy consumption plates 4 are arranged between the two shearing energy consumption plates 3 at intervals in parallel, the triangular energy consumption plates 4 are perpendicular to the shearing energy consumption plates 3 and the top plate 1 at the same time, the narrow sides of the triangular energy consumption plates 4 face the bottom plate 2, and the end parts of the narrow sides are provided with the sleeves 7; the two ear plates 5 are parallel to the shearing energy consumption plate 3 and are symmetrically arranged between the shearing energy consumption plate 3 and the triangular energy consumption plate 4; the bolt 6 passes through the ear plate 5 and the sleeve 7 to fix the ear plate 5, the sleeve 7 and the triangular energy dissipation plate 4 together. In the scheme, the shearing energy consumption plates 3 and the triangular energy consumption plates 4 are used in a combined mode, under the action of small displacement, the shearing energy consumption plates 3 with small yield displacement can enter a yield state before the triangular energy consumption plates 4 with large yield displacement, so that the earthquake energy is dissipated, the safety of the main body structure is protected, the purpose of preventing small earthquake is achieved, and the triangular energy consumption plates 4 are still in an elastic state at the moment; under the action of large displacement, the relative displacement of the structure reaches the yield displacement of the triangular energy dissipation plate 4, and the triangular energy dissipation plate 4 also enters a yield state to dissipate seismic energy, so that the purposes of 'repairing the medium earthquake' and 'keeping the large earthquake' are achieved.
Preferably, the top plate 1 is provided with a strip-shaped open hole for connecting with the triangular energy dissipation plate 4, so that rigid connection between the top plate 1 and the triangular energy dissipation plate 4 is easier to realize.
Preferably, the shear energy dissipation plate 3 is made of low-yield-point steel and is respectively connected with the top plate 1 and the bottom plate 2 by full-penetration butt welding. Preferably, the triangular energy dissipation plate is made of low-yield-point steel, the upper end of the triangular energy dissipation plate is embedded into the strip-shaped open hole of the top plate 1 and connected with the top plate 1 through plug welding, and the lower end of the triangular energy dissipation plate is connected with the sleeve 7 through full-penetration butt welding.
Preferably, the number of the shear energy dissipation plates 3 is even, and the shear energy dissipation plates are the same in shape and size, so as to reduce the situation that the stress inside the energy dissipater is uneven.
Preferably, the number of the triangular energy dissipation plates 4 is 12-16, and the shape and the size of each triangular energy dissipation plate 4 are preferably the same, so as to ensure that the triangular energy dissipation plates 4 have sufficient overall energy dissipation capacity.
Preferably, the ear plate 5 is connected with the bottom plate 2 by full-penetration butt welding and is provided with a long hole. The length of the strip hole is determined according to calculation so as to ensure that the bolt 6 has enough free stroke in the deformation process of the triangular energy dissipation plate 4, and the triangular energy dissipation plate 4 is prevented from generating a film effect.
The utility model provides a pair of compound mild steel energy dissipater, under little shake the effect, it is little to cut the energy consumption board and surrender displacement, gets into the work of surrender entering first, consumes seismic energy, protects major structure, realizes "just shaking badly for a short time", and triangle-shaped energy consumption board surrender displacement is great, still is in elastic state this moment, forms an energy consumption deposit. Under the action of medium and large earthquakes, the structure deforms greatly, the triangular energy dissipation plate is subjected to yield displacement, and also enters a yield state to participate in the consumption of earthquake energy, so that the purposes of repairing the medium earthquakes and keeping the large earthquakes constant are achieved. Therefore, the utility model provides a pair of compound mild steel energy dissipater can realize, changes the requirement of seting up defences that realizes "three levels".
In practical application, the yield displacement and the total energy consumption capacity of the shearing energy consumption plate 3 and the triangular energy consumption plate 4 can be controlled by adjusting the quantity and the shape parameters of the shearing energy consumption plate and the triangular energy consumption plate so as to meet different performance targets of design requirements.
It should be noted that in the welding process, irregular processing such as welding arcing or arc dropping should not be performed at the positions of the shearing energy consumption plate 3 and the triangular energy consumption plate 4, so as to avoid adverse effects of local thermal stress on performance. Meanwhile, reasonable steel structure fire prevention and corrosion prevention treatment is adopted.
Claims (7)
1. A composite type soft steel energy dissipater is characterized by comprising a top plate (1), a bottom plate (2), at least two shearing energy dissipation plates (3), a plurality of triangular energy dissipation plates (4), two lug plates (5), a bolt (6) and a sleeve (7);
the top plate (1) and the bottom plate (2) are oppositely arranged in parallel, at least two shearing energy consumption plates (3) are arranged between the top plate (1) and the bottom plate (2) in parallel at intervals, the shearing energy consumption plates (3) are perpendicular to the top plate (1) and the bottom plate (2), and the extension direction of the shearing energy consumption plates (3) is the same as that of the top plate (1) and the bottom plate (2);
the plurality of triangular energy dissipation plates (4) are arranged between the two shearing energy dissipation plates (3) in parallel at intervals, the triangular energy dissipation plates (4) are perpendicular to the shearing energy dissipation plates (3) and the top plate (1), the narrow sides of the triangular energy dissipation plates (4) face the bottom plate (2), and the end parts of the narrow sides are provided with the sleeves (7);
the two ear plates (5) are parallel to the shearing energy consumption plate (3) and are symmetrically arranged between the shearing energy consumption plate (3) and the triangular energy consumption plate (4); the bolt (6) passes through the lug plate (5) and the sleeve (7).
2. A composite mild steel energy dissipater according to claim 1, characterized in that said top plate (1) is provided with elongated holes.
3. A hybrid mild steel energy dissipater according to claim 1, characterized in that the material of said shear energy dissipating plate (3) is low yield point steel, and is connected to said top plate (1) and said bottom plate (2) by full penetration butt welding.
4. A composite mild steel energy dissipater according to claim 1, characterized in that the triangular energy dissipation plate (4) is made of low yield point steel, the upper end of which is embedded in the top plate (1) and connected to the top plate (1) by plug welding, and the lower end of which is connected to the sleeve (7) by full penetration butt welding.
5. A hybrid mild steel energy dissipator according to claim 1, characterized in that said shear dissipative plates (3) are in an even number of pieces and are of the same shape and size.
6. The composite type mild steel energy dissipater according to claim 1, wherein the number of the triangular energy dissipation plates (4) is 12-16, and the triangular energy dissipation plates are identical in shape and size.
7. A hybrid mild steel energy dissipator according to claim 1, characterized in that said ear plate (5) is connected to said base plate (2) by full penetration butt welding and is provided with elongated holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021106677.0U CN212641794U (en) | 2020-06-15 | 2020-06-15 | Composite soft steel energy dissipater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021106677.0U CN212641794U (en) | 2020-06-15 | 2020-06-15 | Composite soft steel energy dissipater |
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| Publication Number | Publication Date |
|---|---|
| CN212641794U true CN212641794U (en) | 2021-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021106677.0U Expired - Fee Related CN212641794U (en) | 2020-06-15 | 2020-06-15 | Composite soft steel energy dissipater |
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| Country | Link |
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| CN (1) | CN212641794U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116290437A (en) * | 2023-01-31 | 2023-06-23 | 北京工业大学 | Double-order yield metal bending damper |
| CN116378236A (en) * | 2023-01-31 | 2023-07-04 | 北京工业大学 | Assembled metal bending yield damper |
-
2020
- 2020-06-15 CN CN202021106677.0U patent/CN212641794U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116290437A (en) * | 2023-01-31 | 2023-06-23 | 北京工业大学 | Double-order yield metal bending damper |
| CN116378236A (en) * | 2023-01-31 | 2023-07-04 | 北京工业大学 | Assembled metal bending yield damper |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210302 |